[MoE][Humming] Support SiTU activation for Kimi-K3 (#50510)

Signed-off-by: 墨楼 <huangzhilin.hzl@antgroup.com> Co-authored-by: OpenAI Codex <codex@openai.com> Co-authored-by: Tyler Michael Smith <tlrmchlsmth@gmail.com>

Julian Huang committed Aug 5, 2026 at 03:39 UTC 05b7876f50391d5ee5062bf2605d1f33f200272d
1 file changed +1
vllm/model_executor/layers/fused_moe/experts/fused_humming_moe.py
+1
@@ -251,6 +251,7 @@ class HummingExpertsBase(mk.FusedMoEExpertsModular):
251 MoEActivation.GELU,
252 MoEActivation.GELU_TANH,
253 MoEActivation.SWIGLUOAI,
254 + MoEActivation.SITU,
255 MoEActivation.SWIGLUSTEP,
256 MoEActivation.SILU_NO_MUL,
257 MoEActivation.GELU_NO_MUL,