lm-sys/FastChat

Issues with VLLM Integration Speedup

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#2 362 ouverte le 5 sept. 2023

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 (4 commentaires) (0 réactions) (0 assignés)Python (38 959 stars) (4 736 forks)batch import
good first issue

Description

Hello,

I've been trying to work with the [vLLM integration] and I'm facing some performance discrepancies. According to the documentation, I should achieve a significant speedup, but in my tests, I'm seeing different results:

Directly running with FastChat: 16 t/s Using the VLLM integration: 25 t/s (only 1.5x speedup) VLLM offline inference: 90 t/s (expected 6x speedup) I'm running Vicuna33b on a gin H100 gpu. Has anyone experienced this before? Are there any additional configurations or tweaks I might be missing to get the desired speedup?

Thanks in advance for any guidance or advice!

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