MiniMax-M3 spec decoding Blackwell - #694
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Signed-off-by: Faradawn Yang <73060648+faradawn@users.noreply.github.com>
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This pull request introduces hardware overrides for the 'blackwell' architecture in the MiniMax-M3 model configuration, specifying speculative decoding and attention settings. The review feedback correctly identifies that the CLI arguments --attention_config.backend and --attention_config.use_trtllm_attention are non-standard in vLLM and may cause server startup failures, recommending standard alternatives.
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Use Eagle3-GQA draft head and enable FLASHINFER + TRT-LLM attention for spec_decoding on Blackwell (B200/B300/GB200/GB300). Non-Blackwell NVIDIA stays on the standard Eagle3 head; AMD stays on TRITON_ATTN. Based on SemiAnalysisAI/InferenceX#2328 and SemiAnalysisAI/InferenceX#2337.