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[release/3.4] fix matmul 2D w-stride precision problem#78812

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[release/3.4] fix matmul 2D w-stride precision problem#78812
risemeup1111 wants to merge 1 commit into
PaddlePaddle:release/3.4from
risemeup1111:cherry-pick/78746/release/3.4

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Operator Mechanism

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Improvements

Description

fix matmul 2D w-stride precision problem
会影响到Hopper下weight 带stride的matmul kernel精度,属于stride机制修复

pcard-91067

是否引起精度变化


Cherry-pick of #78746 (authored by @A-nnonymous) to release/3.4.

devPR:#78746

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paddle-bot Bot commented Apr 27, 2026

你的PR提交成功,感谢你对开源项目的贡献!
请关注后续CI自动化测试结果,详情请参考Paddle-CI手册
Your PR has been submitted. Thanks for your contribution!
Please wait for the result of CI firstly. See Paddle CI Manual for details.

@paddle-bot paddle-bot Bot added the contributor External developers label Apr 27, 2026
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