masahi commented on issue #5363: [Topi, ARM] Disbale Winograd for quantized tensors. URL: https://github.com/apache/incubator-tvm/pull/5363#issuecomment-615523135 I will take a look at how MKLDNN does winograd on int8. I also wonder if weight quantization is working correctly. Since transformed weight shape is not in (OC, OI, KH, KW) format, maybe per channel quantize is broken if winograd is not taken into acount.
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