Fix fused MoE when `routed_scaling_factor is None` (#8709)

9f47d686 · Liangsheng Yin · GitHub · d9def43d · 9f47d686
Unverified Commit 9f47d686 authored Aug 03, 2025 by Liangsheng Yin Committed by GitHub Aug 03, 2025
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python/sglang/srt/layers/moe/ep_moe/layer.py python/sglang/srt/layers/moe/ep_moe/layer.py +3 -1

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--- a/python/sglang/srt/layers/moe/ep_moe/layer.py
+++ b/python/sglang/srt/layers/moe/ep_moe/layer.py
@@ -280,7 +280,9 @@ class EPMoE(FusedMoE):
            m_max * self.start_expert_id,
            BLOCK_SIZE=512,
        )
-        return output * self.routed_scaling_factor
+        if self.routed_scaling_factor is not None:
+            output *= self.routed_scaling_factor
+        return output
 class DeepEPMoE(EPMoE):