[Openmp-commits] [PATCH] D137261: [openmp][AMDGPU] - Correct getNumberOfBlocks calculation.

Ethan Stewart via Phabricator via Openmp-commits openmp-commits at lists.llvm.org
Wed Nov 2 08:51:58 PDT 2022


estewart08 updated this revision to Diff 472635.
estewart08 added a comment.

Updated summary.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D137261/new/

https://reviews.llvm.org/D137261

Files:
  openmp/libomptarget/DeviceRTL/src/Mapping.cpp


Index: openmp/libomptarget/DeviceRTL/src/Mapping.cpp
===================================================================
--- openmp/libomptarget/DeviceRTL/src/Mapping.cpp
+++ openmp/libomptarget/DeviceRTL/src/Mapping.cpp
@@ -79,7 +79,9 @@
 
 uint32_t getBlockId() { return __builtin_amdgcn_workgroup_id_x(); }
 
-uint32_t getNumberOfBlocks() { return __builtin_amdgcn_grid_size_x(); }
+uint32_t getNumberOfBlocks() {
+  return __builtin_amdgcn_grid_size_x() / __builtin_amdgcn_workgroup_size_x();
+}
 
 uint32_t getWarpId() {
   return impl::getThreadIdInBlock() / mapping::getWarpSize();


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