[integ-tests] Upgrade NCCL versions and increase baseline numbers #7012
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The new NCCL version has some performance improvement on Blackwell. See NCCL release note: https://docs.nvidia.com/deeplearning/nccl/release-notes/rel_2-28-3.html#rel_2-28-3 This upgrade makes NCCL performance on two p6-b200 15% better
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gmarciani
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Sep 19, 2025
The baselines are 90% of the current performance
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## release-3.14 #7012 +/- ##
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Coverage ? 90.18%
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Files ? 182
Lines ? 16472
Branches ? 0
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Hits ? 14856
Misses ? 1616
Partials ? 0
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gmarciani
approved these changes
Sep 19, 2025
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Description of changes
The new NCCL version has some performance improvement on Blackwell.
This upgrade makes NCCL performance on two p6-b200 15% better
Therefore, this PR also updates the baseline numbers.
See commit descriptions for details
Tests
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developadd the branch name as prefix in the PR title (e.g.[release-3.6]).Please review the guidelines for contributing and Pull Request Instructions.
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