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sglang/test/registered/unit/moe/test_glm_megamoe.py
LuminolT ebf11be355
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fix(moe): gate fp8 megamoe on deepgemm capability
Avoid entering the FP8 MegaMoE fused path when the installed DeepGEMM exposes fp8_mega_moe but cannot allocate an fp8xfp8 MegaMoE symmetric buffer. Current B300 sgl-deep-gemm asserts that MegaMoE buffer mma_type is fp8xfp4, so FP8 weights must fall back until dependency support lands.

Tested: PYTHONPYCACHEPREFIX=/private/tmp/sglang_pycache python3 -m py_compile python/sglang/srt/layers/moe/mega_moe.py test/registered/unit/moe/test_glm_megamoe.py

Tested: git diff --check

Remote-tested: root@95.133.252.48 B300 DeepGEMM capability probe showed fp8xfp8 MegaMoE buffer fails with mma_type_str == fp8xfp4.
2026-07-08 12:05:46 +08:00

9.1 KiB