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[Feature][Cherry Pick]Enable DispatchGmmCombineDecode when eagle is moe with w8a8, or not moe #6081

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Merged
wangxiyuan merged 1 commit into from
Jan 22, 2026
Merged

[Feature][Cherry Pick]Enable DispatchGmmCombineDecode when eagle is moe with w8a8, or not moe #6081

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11 changes: 10 additions & 1 deletion vllm_ascend/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -856,14 +856,23 @@ def is_drafter_moe_model(vllm_config: VllmConfig):

def speculative_enable_dispatch_gmm_combine_decode(
vllm_config: VllmConfig) -> bool:
"""When draft contains MOE Arch and non-w8a8, disable dispatch_gmm_combine_decode."""
if vllm_config.speculative_config is None:
return True
speculative_method = getattr(vllm_config.speculative_config, "method",
None)
if speculative_method in [None, "ngram", "suffix"]:
return True
if speculative_method in ["eagle", "eagle3"]:
return False
if is_drafter_moe_model(vllm_config):
draft_model_config = vllm_config.speculative_config.draft_model_config
hf_text_config = draft_model_config.hf_text_config
quant_type = getattr(hf_text_config, "moe_quantize", None)
if quant_type is None:
quant_type = getattr(hf_text_config, "quantize", None)
return quant_type == "w8a8_dynamic"
else:
return True
if speculative_method == "mtp":
mtp_quant_type = getattr(vllm_config.model_config.hf_text_config,
"mtp_quantize", None)
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