Comments (3)
DLLXW
commented on June 25, 2024
您好，我尝试使用您的baseline，现想去掉混合精度训练，如图，但是损失变为nan，不知道具体原因，请大佬解惑。
train.py里面·的·@autocast()要删掉，但我不清楚是不是这个原因哈，为NaN的话你可以尝试调节下学习率啥的，或者是标签有问题
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jinghehehe
commented on June 25, 2024
感谢！
…------------------ 原始邮件 ------------------
发件人: "Qu Yuli"<[email protected]>;
发送时间: 2021年2月21日(星期天) 上午10:03
收件人: "DLLXW/data-science-competition"<[email protected]>;
抄送: "景峰"<[email protected]>; "Author"<[email protected]>;
主题: Re: [DLLXW/data-science-competition] 天池语义分割代码求教 (#14)
您好，我尝试使用您的baseline，现想去掉混合精度训练，如图，但是损失变为nan，不知道具体原因，请大佬解惑。
train.py里面·的·@autocast()要删掉，但我不清楚是不是这个原因哈，为NaN的话你可以尝试调节下学习率啥的，或者是标签有问题
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ChenMeng130
commented on June 25, 2024
RuntimeWarning: invalid value encountered in true_divide
iu = np.diag(self.hist) / (self.hist.sum(axis=1) + self.hist.sum(axis=0) - np.diag(self.hist))
您好,请问为什么会有除数为0的报错,我用了已经用process.py处理过数据集,请大佬解惑
我给self.hist加了个很小的值,应该可以除数为0的问题
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