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Merged
vthumbe1503 merged 2 commits into from
Jul 3, 2026
Merged

Skip MXFP8 MFSDP tests on hopper #3163

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eb60c55
skip tests on hopper
vthumbe1503 Jul 1, 2026
6058b7c
Update qa/L1_pytorch_mcore_fsdp_integration/test.sh
vthumbe1503 Jul 1, 2026
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9 changes: 9 additions & 0 deletions qa/L1_pytorch_mcore_fsdp_integration/test.sh
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Expand Up @@ -4,6 +4,15 @@

set -e

# This test uses the MXFP8 recipe (--fp8-recipe mxfp8), which is only supported
# on Blackwell (compute capability 10.0) and newer.
DEVICE_ARCH_RAW=$(nvidia-smi --query-gpu=compute_cap --format=csv,noheader | head -n 1)
DEVICE_ARCH=$(echo "${DEVICE_ARCH_RAW}" | sed 's/[^0-9]//g')
if [[ -z "${DEVICE_ARCH}" || ${DEVICE_ARCH} -lt 100 ]]; then
echo "Skipping L1_pytorch_mcore_fsdp_integration: MXFP8 requires compute capability 10.0+ (Blackwell), detected compute_cap=${DEVICE_ARCH_RAW:-unknown}."
exit 0
fi

# Megatron-LM / Megatron-FSDP commit for main branch on Apr. 10, 2026.
# Necessary to support wgrad accumulate fusion and Megatron-FSDP NCCL UBR,
# and fixes decoupled_grad <> DistOpt usage in Megatron-LM.
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