[Accuracy diff No.127] Fix accuracy diff for paddle.nn.functional.sigmoid_focal_loss API #292
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@cangtianhuang 加入到 grad_diff 的配置无需从原处删除？ |
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修改 config_analyzer 在 sigmoid_focal_loss 生成label时只生成 0 或 1 的值。并且由于paddle在计算时调用了 sigmoid_cross_entropy_with_logits，这部分反向计算不算 label_grad，所以 sigmoid_focal_loss 也不能检查 label_grad。
回测结果：
