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[Fix] ensure DeepGEMM is only enabled for FP8_W8A8 models #8110

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Merged
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Jul 17, 2025
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[Fix] ensure DeepGEMM is only enabled for FP8_W8A8 models #8110

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6 changes: 6 additions & 0 deletions python/sglang/srt/layers/moe/ep_moe/layer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1272,6 +1272,12 @@ def __init__(
routed_scaling_factor=routed_scaling_factor,
)
self.deepep_mode = deepep_mode
if deep_gemm_wrapper.ENABLE_JIT_DEEPGEMM:
assert self.use_fp8_w8a8, (
"DeepGEMM requires an fp8_w8a8 model; "
"alternatively, you can disable DeepGEMM by turning off the ENABLE_JIT_DEEPGEMM environment variable."
)

if self.deepep_mode.enable_low_latency():
assert (
deep_gemm_wrapper.ENABLE_JIT_DEEPGEMM
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