[MoE] Disable FlashInfer fused finalize by default for numerical accuracy (#40105)

2026-09-18 00:15:57 -07:00
parent 956d414dad
commit c46bf5e990
2 changed files with 3 additions and 3 deletions
@@ -1044,7 +1044,7 @@ class Envs:
    # token count.
    SGLANG_TRTLLM_MOE_PDL_MAX_TOKENS = EnvInt(8192)
    # Use FlashInfer's fused atomic CUTLASS/CuTe DSL MoE finalize.
-    SGLANG_FLASHINFER_MOE_FUSED_FINALIZE = EnvBool(True)
+    SGLANG_FLASHINFER_MOE_FUSED_FINALIZE = EnvBool(False)
    # Master switch for the experimental TRT-LLM LoRA fast path; when OFF (default) every
    # fine-grained opt switch reads False, keeping non-experimental paths byte-identical.
    SGLANG_EXPERIMENTAL_LORA_OPTI = EnvBool(False)