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[GH-ISSUE #175] Question: it seems that DeepSeek V3.1 is faster than DeepSeek V3(0324 version) when decoding under SGLang and H800. #98

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opened 2026-10-26 21:12:31 +00:00 by bsakaguchi · 2 comments
bsakaguchi commented 2026-10-26 21:12:31 +00:00
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Originally created by @Huixxi on GitHub (Aug 28, 2025).
Original GitHub issue: https://github.com/deepseek-ai/DeepGEMM/issues/175

I don't know whether V3.1 is really faster than V3, but if it has something to do with its new UE8M0 and DeepGEMM is support this type of FP8 natively? Thanks.

Originally created by @Huixxi on GitHub (Aug 28, 2025). Original GitHub issue: https://github.com/deepseek-ai/DeepGEMM/issues/175 I don't know whether V3.1 is really faster than V3, but if it has something to do with its new UE8M0 and DeepGEMM is support this type of FP8 natively? Thanks.
bsakaguchi commented 2026-10-26 21:12:33 +00:00
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@LyricZhao commented on GitHub (Aug 28, 2025):

On the same device, UE8M0 and FP32 SF offer the same level of performance. I guess the reason is that V3.1's output length is shorter than V3 averagely.

<!-- gh-comment-id:3232591897 --> @LyricZhao commented on GitHub (Aug 28, 2025): On the same device, UE8M0 and FP32 SF offer the same level of performance. I guess the reason is that V3.1's output length is shorter than V3 averagely.
bsakaguchi commented 2026-10-26 21:12:33 +00:00
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@Huixxi commented on GitHub (Aug 28, 2025):

Ok, thanks a lot.

<!-- gh-comment-id:3232637185 --> @Huixxi commented on GitHub (Aug 28, 2025): Ok, thanks a lot.
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