[clang] [llvm] [mlir] [OpenMP] Reserve the main thread's warp for generic mode kernels (PR #218790)
Larry Meadows via cfe-commits
cfe-commits at lists.llvm.org
Tue Sep 8 16:49:44 PDT 2026
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@@ -35,29 +35,32 @@ void func() {
}
// SPIRV: attributes #0
-// SPIRV-SAME: "nvvm.maxntid"="20"
-// SPIRV-SAME: "omp_target_thread_limit"="20"
+// SPIRV-SAME: "nvvm.maxntid"="84"
+// SPIRV-SAME: "omp_target_thread_limit"="84"
// SPIRV: attributes #4
// SPIRV-SAME: "amdgpu-waves-per-eu"="3,7"
// SPIRV-SAME: "nvvm.maxntid"="17"
// SPIRV-SAME: "omp_target_thread_limit"="17"
+// The first two kernels are generic mode and reserve room for the main
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lfmeadow wrote:
I spanked the AI. They are gone.
https://github.com/llvm/llvm-project/pull/218790
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