comaniac commented on issue #4276: [TOPI][CUDA] Fix Winograd Kernel Size Support URL: https://github.com/apache/incubator-tvm/pull/4276#issuecomment-551337905 Thanks for the suggestion. The unit test has been added and I've confirmed the unit test covers the desire part. One miner issue is that I have to adjust the error tolerance to 1e-3. Here are the max absolute differences by different shapes: Kernel 3x3, Padding 1: ~1.6e-5 Kernel 3x3, Padding 0: ~5e-5 Kernel 7x7, Padding 2: ~1.6e-4 I assume this was caused by floating point error, because the reference numpy implementation is not based on Winograd algorithm but a normal conv2d. Please help confirm.
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