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验证集map测试 #53

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kongbia opened this issue Aug 17, 2020 · 2 comments
Open

验证集map测试 #53

kongbia opened this issue Aug 17, 2020 · 2 comments

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@kongbia
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kongbia commented Aug 17, 2020

我在训练的时候每个epoch训练完成调用test.py测得的map很低，并且valloss都是nan，但是我把hyp粘贴到test.py直接运行test.py测试map和loss都是正常的，请问是什么原因
@kongbia
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kongbia commented Aug 17, 2020

再补充一个发现，用单gpu训练验证集 上的val loss是正常的，但是改用多gpu训练之后val loss就变成了nan

@kongbia
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kongbia commented Aug 17, 2020

似乎和这个问题是一致的
ultralytics/yolov3#1436

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@kongbia