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[GH-ISSUE #451] Why is __syncwarp() needed in internode_ll kernel ? #295

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opened 2026-10-26 09:58:10 +00:00 by bsakaguchi · 1 comment
bsakaguchi commented 2026-10-26 09:58:10 +00:00
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Originally created by @moonlightleaf on GitHub (Oct 11, 2025).
Original GitHub issue: https://github.com/deepseek-ai/DeepEP/issues/451

Before the subsequent return or this_grid().sync(), why perform a syncwarp operation first?

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Originally created by @moonlightleaf on GitHub (Oct 11, 2025). Original GitHub issue: https://github.com/deepseek-ai/DeepEP/issues/451 Before the subsequent return or this_grid().sync(), why perform a syncwarp operation first? <img width="2188" height="1606" alt="Image" src="https://github.com/user-attachments/assets/8fef0840-1383-475f-ab23-d75c5dc55bf4" />
bsakaguchi commented 2026-10-26 09:58:11 +00:00
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@sphish commented on GitHub (Oct 16, 2025):

I think you are right.

<!-- gh-comment-id:3408836632 --> @sphish commented on GitHub (Oct 16, 2025): I think you are right.
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