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Disable MIOpen GEMM solver to fix null workspace fallback
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PyTorch passes ptr=0 size=0 workspace to MIOpen convolutions, causing
GemmFwdRest to warn and fall back to a slow path on every operation.
MIOPEN_DEBUG_CONV_GEMM=0 skips GEMM entirely and uses Direct/Winograd
solvers which have no workspace requirement.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
scott
2026-04-05 13:00:21 -04:00
parent f15cdcf049
commit 2a80555c60
1 changed files with 5 additions and 0 deletions
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5
docker-compose.yml
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@@ -25,6 +25,11 @@ services:
- miopen_cache:/app/miopen_cache - miopen_cache:/app/miopen_cache
environment: environment:
- HF_HUB_ENABLE_HF_TRANSFER=1 - HF_HUB_ENABLE_HF_TRANSFER=1
# Disable MIOpen's GEMM convolution solver. PyTorch passes a null workspace
# pointer (ptr=0, size=0) which causes GemmFwdRest to warn and fall back on
# every conv op. Disabling it makes MIOpen go straight to Direct/Winograd
# solvers that don't require workspace allocation.
- MIOPEN_DEBUG_CONV_GEMM=0
# Persist MIOpen's kernel cache so it doesn't recompile on every start. # Persist MIOpen's kernel cache so it doesn't recompile on every start.
- MIOPEN_USER_DB_PATH=/app/miopen_cache - MIOPEN_USER_DB_PATH=/app/miopen_cache
- MIOPEN_CUSTOM_CACHE_DIR=/app/miopen_cache - MIOPEN_CUSTOM_CACHE_DIR=/app/miopen_cache