From cbd1b81bd2a308b0f8a1734daf3eb30b56c7537c Mon Sep 17 00:00:00 2001
From: kadmin <julianknodt@gmail.com>
Date: Sat, 11 Feb 2023 03:04:36 +0000
Subject: [PATCH] Add array::map benchmarks
---
library/core/benches/array.rs | 19 +++++++++++++++++++
library/core/benches/lib.rs | 1 +
2 files changed, 20 insertions(+)
create mode 100644 library/core/benches/array.rs
diff --git a/library/core/benches/array.rs b/library/core/benches/array.rs
new file mode 100644
index 0000000000000..845c60762949b
--- /dev/null
+++ b/library/core/benches/array.rs
@@ -0,0 +1,19 @@
+use test::black_box;
+use test::Bencher;
+
+macro_rules! map_array {
+ ($func_name:ident, $start_item: expr, $map_item: expr, $arr_size: expr) => {
+ #[bench]
+ fn $func_name(b: &mut Bencher) {
+ let arr = [$start_item; $arr_size];
+ b.iter(|| black_box(arr).map(|_| black_box($map_item)));
+ }
+ };
+}
+
+map_array!(map_8byte_8byte_8, 0u64, 1u64, 800);
+map_array!(map_8byte_8byte_64, 0u64, 1u64, 6400);
+map_array!(map_8byte_8byte_256, 0u64, 1u64, 25600);
+
+map_array!(map_8byte_256byte_256, 0u64, [0u64; 4], 25600);
+map_array!(map_256byte_8byte_256, [0u64; 4], 0u64, 25600);
diff --git a/library/core/benches/lib.rs b/library/core/benches/lib.rs
index f1244d93285e3..e4100120d8252 100644
--- a/library/core/benches/lib.rs
+++ b/library/core/benches/lib.rs
@@ -9,6 +9,7 @@
extern crate test;
mod any;
+mod array;
mod ascii;
mod char;
mod fmt;