8000 Buffer usage causes a tensor pack test to fail on gfx942 · Issue #20294 · iree-org/iree · GitHub
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Buffer usage causes a tensor pack test to fail on gfx942 #20294

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krzysz00 opened this issue Mar 18, 2025 · 0 comments
Open

Buffer usage causes a tensor pack test to fail on gfx942 #20294

krzysz00 opened this issue Mar 18, 2025 · 0 comments
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bug 🐞 Something isn't working hal/amdgpu Runtime AMDGPU HAL backend

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tests/e2e/tensor_ops/pack.mlir has a static_pack_pad_transpose_inner_and_outer_dims_large test in it that fails on gfx942 due to llvm/llvm-project#131386 causing one of its dispatches to produce incorrect values.

This ticket is to track the fact that we've excluded all of pack.mlir from the test suite on all GPUs to work around this so we can land #19918 . We expect this could be resolved by

  1. Fixes to the backend
  2. Fixes to pack kernel generation
  3. Changes that cause masked loads from buffers to generate better code - see [MLIR][AMDGPU] Adding Vector transfer_read to load rewrite pattern llvm/llvm-project#131803 - which could maybe un-break this incidentally.
@krzysz00 krzysz00 self-assigned this Mar 18, 2025
@krzysz00 krzysz00 added bug 🐞 Something isn't working hal/amdgpu Runtime AMDGPU HAL backend labels Mar 18, 2025
@hanhanW hanhanW mentioned this issue May 22, 2025
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