[PATCH] D121242: [AMDGPU] gfx940 memory model

[Stanislav Mekhanoshin via Phabricator via llvm-commits]

rampitec added inline comments.


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Comment at: llvm/docs/AMDGPUUsage.rst:8673
 
+.. _amdgpu-amdhsa-memory-model-gfx940:
+
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foad wrote:
> I don't know how to review 2500 lines of text. How is it different from GFX90A?
The main change is the replacement of glc/scc/slc with sc0/sc1/nt bits. While looks functionally similar it is conceptually different. Instead of locking individual caches we now requesting coherency at a specific memory scope.


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https://reviews.llvm.org/D121242