Fix bug that thread configuration parameters are out of bounds #58303
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你的PR提交成功，感谢你对开源项目的贡献! |
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@wanghuancoder 这个是对ContiguousKernel的修正 |
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Sorry to inform you that 51909bf's CIs have passed for more than 7 days. To prevent PR conflicts, you need to re-run all CIs manually. |
SecretXV
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PR types
Bug fixes
PR changes
OPs
Description
ContiguousKernel在某些情况下，block.x、block.y、block.z、grid.y、grid.z的数值，会变的极端：过大，会报错；过小，性能会受到影响。
硬件限制
block.x <= 1024
block.y <= 1024
block.z <= 64
block.x * block.y * block.z >= 96（小于96时性能大幅降低）
block.x * block.y * block.z <= 1024
grid.x 无限制
grid.y < 2^16
grid.z < 2^16
关联PR
【PaddlePaddle Hackathon 5 No.48】ContiguousKernel、StridedCopyKernel算子CPU、GPU性能优化 -part #57835