ThomasDelteil commented on issue #14340: [bug] Bug in Gradient flow with backward(retain_graph=True) and split() URL: https://github.com/apache/incubator-mxnet/issues/14340#issuecomment-469934034 replacing ``` z1, z2 = F.split(y, 2) out1 = self.classifier(z1) out2 = self.classifier(z2) ``` with ``` out1 = self.classifier(y[:,:5]) out2 = self.classifier(y[:,5:]) ``` works as expected, I'm thinking the bug might come from the split operator. @eric-haibin-lin
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