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[Intel] [XPU] Restore XPU MHC dispatch - #36803

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cyxlily wants to merge 3 commits into
sgl-project:mainfrom
cyxlily:mhc_xpu_gate
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cyxlily wants to merge 3 commits into
sgl-project:mainfrom
cyxlily:mhc_xpu_gate

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@cyxlily

@cyxlily cyxlily commented Aug 28, 2026 •

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Motivation

An unrelated PR (#35314) silently reverted the _is_xpu MHC dispatch added by PR #32166 during a later merge, causing XPU DeepSeek-V4 loading to crash with Torch not compiled with CUDA enabled. This restores that dispatch across all affected call sites.


CI States

Latest PR Test (Base): ❌ Run #33371768472
Latest PR Test (Extra): ❌ Run #33372265386
Latest PR Test (AMD ROCm 7.2): ❌ Run #33371768442

@cyxlily cyxlily changed the title [Intel] [XPU] Fix DeepseekV4Model.use_fused_mhc_post_pre to include XPU fused mHC gate [Intel] [XPU] Restore XPU MHC dispatch Aug 31, 2026
@mingfeima mingfeima added the run-ci CI: run the baseline test suite on this PR label Aug 31, 2026
airMeng pushed a commit to airMeng/sglang that referenced this pull request Sep 2, 2026

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