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fix softmax focal loss grad #57

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fix softmax focal loss grad #57

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1 change: 1 addition & 0 deletions mmcv/ops/csrc/pytorch/npu/focal_loss_npu.cpp
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Expand Up @@ -194,6 +194,7 @@ void softmax_focal_loss_backward_npu(Tensor input, Tensor target, Tensor weight,
weight_y = at::sum(weight_y, 1, true);
weight_y = at::broadcast_to(weight_y, input.sizes());
}
grad_input_y = grad_input_y.fill_(0);
OpCommand cmd;
string reduction = "none";
cmd.Name("SoftmaxFocalLossGrad")
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