torch.autograd.detect_anomaly()

import torch

# 正向传播时:开启自动求导的异常侦测
torch.autograd.set_detect_anomaly(True)

# 反向传播时:在求导时开启侦测
with torch.autograd.detect_anomaly():
    loss.backward()
原文地址:https://www.cnblogs.com/wjjcjj/p/14484530.html