[PATCH] D124671: [AMDGPU] Do not raise wave priority beyond a specific number of VALU instructions.

Ivan Kosarev via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri Apr 29 06:14:10 PDT 2022


kosarev created this revision.
Herald added subscribers: hsmhsm, foad, kerbowa, hiraditya, t-tye, tpr, dstuttard, yaxunl, nhaehnle, jvesely, kzhuravl, arsenm.
Herald added a project: All.
kosarev requested review of this revision.
Herald added subscribers: llvm-commits, wdng.
Herald added a project: LLVM.

It has been discovered that lowering the priority after VMEM loads
following long sequences of VALU instructions does not improve
performance.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D124671

Files:
  llvm/lib/Target/AMDGPU/AMDGPUSetWavePriority.cpp
  llvm/test/CodeGen/AMDGPU/set-wave-priority.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D124671.426032.patch
Type: text/x-patch
Size: 5300 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20220429/634b7f56/attachment.bin>


More information about the llvm-commits mailing list