[all-commits] [llvm/llvm-project] ed67e3: [Doc][AMDGPU] Add barrier execution & memory model

Pierre van Houtryve via All-commits all-commits at lists.llvm.org
Wed Dec 3 01:45:18 PST 2025


  Branch: refs/heads/users/pierre-vh/gfx1200-formal-barrier-model
  Home:   https://github.com/llvm/llvm-project
  Commit: ed67e3c538b77595150087730d174c043656957a
      https://github.com/llvm/llvm-project/commit/ed67e3c538b77595150087730d174c043656957a
  Author: pvanhout <pierre.vanhoutryve at amd.com>
  Date:   2025-12-03 (Wed, 03 Dec 2025)

  Changed paths:
    M llvm/docs/AMDGPUUsage.rst

  Log Message:
  -----------
  [Doc][AMDGPU] Add barrier execution & memory model

Add a formal execution model, and a memory model for the execution barrier
primitives available in GFX12.0 and below.
The model also works for GFX12.5 workgroup/workgroup trap barriers, but does
not include the new barrier types and instructions added in GFX12.5.
These will be added at a later date.



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