[Topi][Cuda]Optimizations of global_ave_pool for NHWC layout #5450
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SXM-inspur
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Hzfengsy
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vinx13
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…5450) * Optimizations of global_ave_pool for NHWC layout * Optimize the code format to pass inspection of pylint Co-authored-by: Shawn-Inspur <wushaohua@inspur.com>
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…5450) * Optimizations of global_ave_pool for NHWC layout * Optimize the code format to pass inspection of pylint Co-authored-by: Shawn-Inspur <wushaohua@inspur.com>
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…5450) * Optimizations of global_ave_pool for NHWC layout * Optimize the code format to pass inspection of pylint Co-authored-by: Shawn-Inspur <wushaohua@inspur.com>
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The runtime of global_ave_pool took about 14.8% in Resnet50_v2 with batchsize of 32, when Tensor Core is enabled on Tesla T4 GPU. The runtime decreased to 0.134%, after optimizations in this PR were made for NHWC layout. The results of unit tests are listed below, and the latency is reported with unit of ms. As we can see from the table, great performance improvements have been achieved.
@Hzfengsy @Laurawly @vinx13 @jwfromm Please help to review