UserWarning: size_average and reduce args will be deprecated, please use reduction='sum' instead. warnings.warn(warning.format(ret))

错误提示:

UserWarning: size_average and reduce args will be deprecated, please use reduction='sum' instead.   warnings.warn(warning.format(ret))

 

 为pytorch不同版本进行更新迭代时引起的警告,某些参数被取代了

修正:

criterion = torch.nn.BCELoss(size_average=True)
改为:
criterion = torch.nn.BCELoss(reduction=mean)
criterion = torch.nn.BCELoss(size_average=False)
改为:
criterion = torch.nn.BCELoss(reduction=sum)

其它损失函数更改方法类似

原代码:

test_loss += F.nll_loss(output, target, size_average=False).item()

修正代码:

test_loss += F.nll_loss(output, target, reduction=sum).item()

 

UserWarning: size_average and reduce args will be deprecated, please use reduction='sum' instead. warnings.warn(warning.format(ret))

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