kice commented on issue #4523: Optimization for subpixel layer on Tensor core URL: https://github.com/apache/incubator-tvm/issues/4523#issuecomment-566001077 I think it is okay that we use reshapes and transoises only if we could change the parameters when the data layout change. Some models, like EDSR, sandwich conv between subpixel for 4x scale, hurting the perforamce even worse. But if the new op can support both NCHW and NHWC, it will be nice. xD
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