[Attention] FlashAttention MLA cudagraph support#23958
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LucasWilkinson merged 6 commits intovllm-project:mainfrom Sep 8, 2025
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[Attention] FlashAttention MLA cudagraph support#23958LucasWilkinson merged 6 commits intovllm-project:mainfrom
LucasWilkinson merged 6 commits intovllm-project:mainfrom
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Signed-off-by: Matthew Bonanni <mbonanni001@gmail.com>
Signed-off-by: Matthew Bonanni <mbonanni001@gmail.com>
Signed-off-by: Matthew Bonanni <mbonanni001@gmail.com>
Signed-off-by: Matthew Bonanni <mbonanni001@gmail.com>
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LGTM! Thanks for doing this!
Signed-off-by: Matthew Bonanni <mbonanni001@gmail.com>
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Purpose
Add full cudagraph support in FlashAttention MLA backend.
Test Plan
VLLM_ATTENTION_BACKEND=FLASH_ATTN_MLA vllm bench throughput --model=deepseek-ai/DeepSeek-V2-Lite-Chat --dataset-name=random --input-len=128 --output-len=128 --num-prompts=10 --kv-cache-dtype=auto --compilation-config='{"cudagraph_mode": "full_decode_only"}'Test Result
Functional
Essential Elements of an Effective PR Description Checklist
supported_models.mdandexamplesfor a new model.