[XPU] speed up for special case of strided_slice op. #55166
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你的PR提交成功，感谢你对开源项目的贡献! |
HarperCy
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Jul 5, 2023
QingshuChen
approved these changes
Jul 6, 2023
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你的PR已合入Paddle库，请关注后续测试结果。 |
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PR types
Performance optimization
PR changes
OPs
Description
在跑EB模型的时候，发现
strided_slice和strided_slice_grad这两个算子耗时较大。EB模型对这两个算子的调用规模是固定的，并且本质上是“隔一个元素取一个元素”。因此针对这一类的特殊情况单独做了处理，不使用平常的算法，而是通过补0和转置来实现。