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about _batch_unshuffle_ddp issue #5

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konioy opened this issue Dec 23, 2021 · 2 comments
Open

about _batch_unshuffle_ddp issue #5

konioy opened this issue Dec 23, 2021 · 2 comments

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@konioy
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konioy commented Dec 23, 2021 •
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在DCQ的前向中，对im_k做了一次shuff（对应函数_batch_shuffle_ddp），然后又做了一次unshuff（对应函数_batch_unshuffle_ddp），我认为得到的结果和直接对im_k做前向的结果是一样的。这样做的目的是什么？
@liubx07
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liubx07 commented Jan 20, 2022

可以看一下Kaiming的MoCo，里面有详细的介绍，这里是借鉴了里面的做法，不过个人感觉这里不做影响应该也不大，可以试试

@konioy
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konioy commented Jan 20, 2022

好的，收到，非常感谢

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@liubx07 @konioy