Work around clGetDeviceIDs issue.

JuliaGPU · Sep 8, 2024 · 462556f · 462556f
1 parent 9437911
commit 462556f
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/lib/platform.jl b/lib/platform.jl
@@ -78,7 +78,9 @@ end
 function default_device(p::Platform)
     devs = devices(p, CL_DEVICE_TYPE_DEFAULT)
     isempty(devs) && return nothing
-    return only(devs)
+    # XXX: clGetDeviceIDs documents CL_DEVICE_TYPE_DEFAULT should only return one device,
+    #      but it's been observed to return multiple devices on some platforms...
+    return first(devs)
 end
 
 devices(p::Platform) = devices(p, CL_DEVICE_TYPE_ALL)