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[PR #253] [MERGED] Remove memory fence in NVLink barrier. #489

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opened 2026-10-27 21:03:04 +00:00 by bsakaguchi · 0 comments
bsakaguchi commented 2026-10-27 21:03:04 +00:00
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📋 Pull Request Information

Original PR: https://github.com/deepseek-ai/DeepEP/pull/253
Author: @sphish
Created: 6/24/2025
Status: ✅ Merged
Merged: 6/27/2025
Merged by: @LyricZhao

Base: main ← Head: fix-intra-notify

📝 Commits (4)

  • 83cd429 Remove memory fence in NVLink barrier.
  • 45b29a9 Move __syncthread and fence into barrier.
  • 2c8d064 Fix bugs
  • b6190ad Merge remote-tracking branch 'origin/main' into fix-intra-notify

📊 Changes

3 files changed (+12 additions, -19 deletions)

View changed files

📝 csrc/kernels/internode.cu (+2 -7)
📝 csrc/kernels/intranode.cu (+3 -10)
📝 csrc/kernels/utils.cuh (+7 -2)

📄 Description

No description provided

🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.

## 📋 Pull Request Information **Original PR:** https://github.com/deepseek-ai/DeepEP/pull/253 **Author:** [@sphish](https://github.com/sphish) **Created:** 6/24/2025 **Status:** ✅ Merged **Merged:** 6/27/2025 **Merged by:** [@LyricZhao](https://github.com/LyricZhao) **Base:** `main` ← **Head:** `fix-intra-notify` --- ### 📝 Commits (4) - [`83cd429`](https://github.com/deepseek-ai/DeepEP/commit/83cd4298afb83aa68494928759f2a7aa35916a47) Remove memory fence in NVLink barrier. - [`45b29a9`](https://github.com/deepseek-ai/DeepEP/commit/45b29a9d6c849671df3c3607a358d395144b3927) Move `__syncthread` and fence into barrier. - [`2c8d064`](https://github.com/deepseek-ai/DeepEP/commit/2c8d064b07c316b2e1204c49f8c25c2dc0dfb4c8) Fix bugs - [`b6190ad`](https://github.com/deepseek-ai/DeepEP/commit/b6190adc19df8ca455442ba9b7bc1c882e7e8e57) Merge remote-tracking branch 'origin/main' into fix-intra-notify ### 📊 Changes **3 files changed** (+12 additions, -19 deletions) <details> <summary>View changed files</summary> 📝 `csrc/kernels/internode.cu` (+2 -7) 📝 `csrc/kernels/intranode.cu` (+3 -10) 📝 `csrc/kernels/utils.cuh` (+7 -2) </details> ### 📄 Description _No description provided_ --- <sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>
bsakaguchi 2026-10-27 21:03:04 +00:00
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deepseek-ai/DeepEP#489
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