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The Self CPU total time is the kernel cost time on self, such as conv2d, it use convolution and _convolution and cudnn_convolution as actual running kernel.The time cost on cudnn_convolution cost time is 17.935ms, and _convolution’s Self CPU total is (17.998 - 17.935=0.063ms),its parent convolution cost (18.021 - 17.998 = 0.023ms), and conv2d cost (18.041 - 18.021 = 0.02ms).And CPU total are right.
So I am wondering, are there something running wrong?