diff --git a/tests/benchmarks/FCSBenchmarks/CompilerServiceBenchmarks/ComputationExpressionBenchmarks.fs b/tests/benchmarks/FCSBenchmarks/CompilerServiceBenchmarks/ComputationExpressionBenchmarks.fs
new file mode 100644
index 00000000000..92a7141822d
--- /dev/null
+++ b/tests/benchmarks/FCSBenchmarks/CompilerServiceBenchmarks/ComputationExpressionBenchmarks.fs
@@ -0,0 +1,53 @@
+module FSharp.Benchmarks.ComputationExpressionBenchmarks
+
+open System.IO
+open BenchmarkDotNet.Attributes
+open FSharp.Compiler.CodeAnalysis
+open FSharp.Test.ProjectGeneration
+
+[<Literal>]
+let FSharpCategory = "fsharp"
+
+[<MemoryDiagnoser>]
+[<BenchmarkCategory(FSharpCategory)>]
+type ComputationExpressionBenchmarks() =
+
+    let mutable sourceFileName = ""
+
+    [<Params("CE100xnest1.fs",
+             "CE100xnest5.fs",
+             // "CE100xnest10.fs", // enable if you have the spare time
+             "CE200xnest5.fs",
+             "CEwCO500xnest1.fs",
+             "CEwCO100xnest5.fs")>]
+    member public this.Source
+        with get () = File.ReadAllText(__SOURCE_DIRECTORY__ ++ "ce" ++ sourceFileName)
+        and set f = sourceFileName <- f
+
+    member val Benchmark = Unchecked.defaultof<_> with get, set
+
+    member this.setup(project) =
+        let checker = FSharpChecker.Create()
+        this.Benchmark <- ProjectWorkflowBuilder(project, checker = checker).CreateBenchmarkBuilder()
+        saveProject project false checker |> Async.RunSynchronously
+
+    [<GlobalSetup(Targets = [| "CheckCE"; "CompileCE" |])>]
+    member this.SetupWithSource() =
+        this.setup
+            { SyntheticProject.Create() with
+                SourceFiles =
+                    [
+
+                        { sourceFile "File" [] with
+                            ExtraSource = this.Source
+                        }
+                    ]
+                OtherOptions = []
+            }
+
+    [<Benchmark>]
+    member this.CheckCE() =
+        this.Benchmark { checkFile "File" expectOk }
+
+    [<Benchmark>]
+    member this.CompileCE() = this.Benchmark { compileWithFSC }
diff --git a/tests/benchmarks/FCSBenchmarks/CompilerServiceBenchmarks/FSharp.Compiler.Benchmarks.fsproj b/tests/benchmarks/FCSBenchmarks/CompilerServiceBenchmarks/FSharp.Compiler.Benchmarks.fsproj
index 8e7c69e9be4..55968edddaf 100644
--- a/tests/benchmarks/FCSBenchmarks/CompilerServiceBenchmarks/FSharp.Compiler.Benchmarks.fsproj
+++ b/tests/benchmarks/FCSBenchmarks/CompilerServiceBenchmarks/FSharp.Compiler.Benchmarks.fsproj
@@ -14,6 +14,7 @@
     <Compile Include="FileCascadeBenchmarks.fs" />
     <Compile Include="GraphTypeCheckingBenchmarks.fs" />
     <Compile Include="BackgroundCompilerBenchmarks.fs" />
+    <Compile Include="ComputationExpressionBenchmarks.fs" />
     <Compile Include="Program.fs" />
   </ItemGroup>
 
diff --git a/tests/benchmarks/FCSBenchmarks/CompilerServiceBenchmarks/ce/CE100xnest1.fs b/tests/benchmarks/FCSBenchmarks/CompilerServiceBenchmarks/ce/CE100xnest1.fs
new file mode 100644
index 00000000000..094513ff80c
--- /dev/null
+++ b/tests/benchmarks/FCSBenchmarks/CompilerServiceBenchmarks/ce/CE100xnest1.fs
@@ -0,0 +1,115 @@
+module SomeModule =
+
+    type StrChainBuilder() =
+        member this.Zero() = ""
+        member this.Delay(f) = f ()
+        member this.Yield(x: string) = x
+        member this.Combine(a, b) = a + b
+
+    let strchain = StrChainBuilder()
+
+    let test =
+        // 100 x nesting of 1
+        strchain {
+            "test0"
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+            strchain { "test1" }
+        }
diff --git a/tests/benchmarks/FCSBenchmarks/CompilerServiceBenchmarks/ce/CE100xnest10.fs b/tests/benchmarks/FCSBenchmarks/CompilerServiceBenchmarks/ce/CE100xnest10.fs
new file mode 100644
index 00000000000..0afe4a1d3f6
--- /dev/null
+++ b/tests/benchmarks/FCSBenchmarks/CompilerServiceBenchmarks/ce/CE100xnest10.fs
@@ -0,0 +1,3616 @@
+module SomeModule =
+
+    type StrChainBuilder() =
+        member this.Zero() = ""
+        member this.Delay(f) = f ()
+        member this.Yield(x: string) = x
+        member this.Combine(a, b) = a + b
+
+    let strchain = StrChainBuilder()
+
+    // 100 x nesting of 10
+    let test =
+        strchain {
+            "test0"
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
+                                            "test8"
+
+                                            strchain {
+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
+                                            "test8"
+
+                                            strchain {
+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
+                                            "test8"
+
+                                            strchain {
+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
+                                            "test8"
+
+                                            strchain {
+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
+                                            "test8"
+
+                                            strchain {
+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
+                                            "test8"
+
+                                            strchain {
+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
+                                            "test8"
+
+                                            strchain {
+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
+                                            "test8"
+
+                                            strchain {
+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
+                                            "test8"
+
+                                            strchain {
+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
+                                            "test8"
+
+                                            strchain {
+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
+                                            "test8"
+
+                                            strchain {
+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
+                                            "test8"
+
+                                            strchain {
+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
+                                            "test8"
+
+                                            strchain {
+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
+                                            "test8"
+
+                                            strchain {
+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
+                                            "test8"
+
+                                            strchain {
+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
+                                            "test8"
+
+                                            strchain {
+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
+                                            "test8"
+
+                                            strchain {
+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
+                                            "test8"
+
+                                            strchain {
+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
+                                            "test8"
+
+                                            strchain {
+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
+                                            "test8"
+
+                                            strchain {
+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
+                                            "test8"
+
+                                            strchain {
+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
+                                            "test8"
+
+                                            strchain {
+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
+                                            "test8"
+
+                                            strchain {
+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
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+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
+                                            "test8"
+
+                                            strchain {
+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
+                                            "test8"
+
+                                            strchain {
+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
+                                            "test8"
+
+                                            strchain {
+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
+                                            "test8"
+
+                                            strchain {
+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
+                                            "test8"
+
+                                            strchain {
+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain {
+                                "test5"
+
+                                strchain {
+                                    "test6"
+
+                                    strchain {
+                                        "test7"
+
+                                        strchain {
+                                            "test8"
+
+                                            strchain {
+                                                "test9"
+                                                strchain { "test10" }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
diff --git a/tests/benchmarks/FCSBenchmarks/CompilerServiceBenchmarks/ce/CE100xnest5.fs b/tests/benchmarks/FCSBenchmarks/CompilerServiceBenchmarks/ce/CE100xnest5.fs
new file mode 100644
index 00000000000..28ccd4c1593
--- /dev/null
+++ b/tests/benchmarks/FCSBenchmarks/CompilerServiceBenchmarks/ce/CE100xnest5.fs
@@ -0,0 +1,1615 @@
+module SomeModule =
+
+    type StrChainBuilder() =
+        member this.Zero() = ""
+        member this.Delay(f) = f ()
+        member this.Yield(x: string) = x
+        member this.Combine(a, b) = a + b
+
+    let strchain = StrChainBuilder()
+
+    // 100 x nesting of 5
+    let test =
+        strchain {
+            "test0"
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+        }
diff --git a/tests/benchmarks/FCSBenchmarks/CompilerServiceBenchmarks/ce/CE200xnest5.fs b/tests/benchmarks/FCSBenchmarks/CompilerServiceBenchmarks/ce/CE200xnest5.fs
new file mode 100644
index 00000000000..0295cec82cf
--- /dev/null
+++ b/tests/benchmarks/FCSBenchmarks/CompilerServiceBenchmarks/ce/CE200xnest5.fs
@@ -0,0 +1,3615 @@
+module SomeModule =
+
+    type StrChainBuilder() =
+        member this.Zero() = ""
+        member this.Delay(f) = f ()
+        member this.Yield(x: string) = x
+        member this.Combine(a, b) = a + b
+
+    let strchain = StrChainBuilder()
+
+    // 200 x nesting of 5
+    let test =
+        strchain {
+            "test0"
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
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+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+
+            strchain {
+                "test1"
+
+                strchain {
+                    "test2"
+
+                    strchain {
+                        "test3"
+
+                        strchain {
+                            "test4"
+
+                            strchain { "test5" }
+                        }
+                    }
+                }
+            }
+        }
diff --git a/tests/benchmarks/FCSBenchmarks/CompilerServiceBenchmarks/ce/CEwCO100xnest5.fs b/tests/benchmarks/FCSBenchmarks/CompilerServiceBenchmarks/ce/CEwCO100xnest5.fs
new file mode 100644
index 00000000000..d196ed0d91a
--- /dev/null
+++ b/tests/benchmarks/FCSBenchmarks/CompilerServiceBenchmarks/ce/CEwCO100xnest5.fs
@@ -0,0 +1,2937 @@
+module CalculationCE =
+
+    type CalcState = { r: int }
+
+    type CalculationBuilder() =
+        member _.Yield _ = { r = 0 }
+        member _.Return(x: int) = { r = x }
+        member _.ReturnFrom(x) = x
+
+        [<CustomOperation("add", MaintainsVariableSpace = true)>]
+        member _.Add(state: CalcState, x) = { r = state.r + x }
+
+        [<CustomOperation("sub", MaintainsVariableSpace = true)>]
+        member _.Sub(state: CalcState, x) = { r = state.r - x }
+
+        [<CustomOperation("mul", MaintainsVariableSpace = true)>]
+        member _.Mul(state: CalcState, x) = { r = state.r * x }
+
+        [<CustomOperation("div", MaintainsVariableSpace = true)>]
+        member _.Div(state: CalcState, x) =
+            if x = 0 then
+                failwith "can't divide by 0"
+
+            { r = state.r / x }
+
+    let calculation = CalculationBuilder()
+
+open CalculationCE
+
+// 100 x nesting of 5
+let c =
+    calculation {
+
+        let c1 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c2 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c3 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c4 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c5 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c6 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c7 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c8 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c9 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c10 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c11 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c12 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c13 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c14 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c15 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c16 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c17 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c18 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c19 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c20 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c21 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c22 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c23 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c24 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c25 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c26 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c27 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c28 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c29 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c30 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c31 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c32 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c33 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c34 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c35 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c36 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c37 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c38 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c39 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c40 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c41 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c42 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c43 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c44 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c45 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c46 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c47 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c48 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c49 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c50 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c51 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c52 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c53 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c54 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c55 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c56 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c57 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c58 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c59 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c60 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c61 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c62 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c63 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c64 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c65 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c66 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c67 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c68 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c69 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c70 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c71 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c72 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c73 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c74 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c75 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c76 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c77 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c78 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c79 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c80 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c81 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c82 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c83 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c84 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c85 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c86 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c87 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c88 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c89 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c90 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c91 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c92 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c93 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c94 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c95 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c96 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c97 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c98 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c99 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let c100 =
+            calculation {
+                let nest2 =
+                    calculation {
+                        let nest3 =
+                            calculation {
+                                let nest4 =
+                                    calculation {
+                                        let nest5 =
+                                            calculation {
+                                                add 1
+                                                sub 1
+                                                mul 1
+                                                div 1
+                                            }
+
+                                        return! nest5
+                                    }
+
+                                return! nest4
+                            }
+
+                        return! nest3
+                    }
+
+                return! nest2
+            }
+
+        let s =
+            [ c1.r
+              c2.r
+              c3.r
+              c4.r
+              c5.r
+              c6.r
+              c7.r
+              c8.r
+              c9.r
+              c10.r
+              c11.r
+              c12.r
+              c13.r
+              c14.r
+              c15.r
+              c16.r
+              c17.r
+              c18.r
+              c19.r
+              c20.r
+              c21.r
+              c22.r
+              c23.r
+              c24.r
+              c25.r
+              c26.r
+              c27.r
+              c28.r
+              c29.r
+              c30.r
+              c31.r
+              c32.r
+              c33.r
+              c34.r
+              c35.r
+              c36.r
+              c37.r
+              c38.r
+              c39.r
+              c40.r
+              c41.r
+              c42.r
+              c43.r
+              c44.r
+              c45.r
+              c46.r
+              c47.r
+              c48.r
+              c49.r
+              c50.r
+              c51.r
+              c52.r
+              c53.r
+              c54.r
+              c55.r
+              c56.r
+              c57.r
+              c58.r
+              c59.r
+              c60.r
+              c61.r
+              c62.r
+              c63.r
+              c64.r
+              c65.r
+              c66.r
+              c67.r
+              c68.r
+              c69.r
+              c70.r
+              c71.r
+              c72.r
+              c73.r
+              c74.r
+              c75.r
+              c76.r
+              c77.r
+              c78.r
+              c79.r
+              c80.r
+              c81.r
+              c82.r
+              c83.r
+              c84.r
+              c85.r
+              c86.r
+              c87.r
+              c88.r
+              c89.r
+              c90.r
+              c91.r
+              c92.r
+              c93.r
+              c94.r
+              c95.r
+              c96.r
+              c97.r
+              c98.r
+              c99.r
+              c100.r ]
+
+        return! s |> List.sum
+    }
diff --git a/tests/benchmarks/FCSBenchmarks/CompilerServiceBenchmarks/ce/CEwCO500xnest1.fs b/tests/benchmarks/FCSBenchmarks/CompilerServiceBenchmarks/ce/CEwCO500xnest1.fs
new file mode 100644
index 00000000000..c67f8e73528
--- /dev/null
+++ b/tests/benchmarks/FCSBenchmarks/CompilerServiceBenchmarks/ce/CEwCO500xnest1.fs
@@ -0,0 +1,539 @@
+module CalculationCE =
+
+    type CalcState =
+        { r: int }
+
+    type CalculationBuilder() =
+        member _.Yield _ =
+            { r = 0 }
+
+        [<CustomOperation "add">]
+        member _.Add(state: CalcState, x) =
+            { state with
+                r = state.r + x }
+
+        [<CustomOperation "sub">]
+        member _.Sub(state: CalcState, x) =
+            { state with
+                r = state.r - x }
+
+        [<CustomOperation "mul">]
+        member _.Mul(state: CalcState, x) =
+            { state with
+                r = state.r * x }
+        
+        [<CustomOperation "div">]
+        member _.Div(state: CalcState, x) =
+            if x = 0 then
+                failwith "can't divide by 0"
+            { state with
+                r = state.r / x }
+
+    let calculation = CalculationBuilder()
+
+open CalculationCE
+
+let c =
+    // 500 applications of custom operations
+    calculation {
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+        add 1
+        sub 1
+        mul 1
+        div 1
+    }