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为什么每块GPU里面batchsize数量越少，效果越好，8 img per gpu只有86.2，但是4 img per gpu能到87.1 #26

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tiancity-bytedance opened this issue Jul 29, 2019 · 1 comment
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为什么每块GPU里面batchsize数量越少，效果越好，8 img per gpu只有86.2，但是4 img per gpu能到87.1 #26

tiancity-bytedance opened this issue Jul 29, 2019 · 1 comment

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@tiancity-bytedance
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@huanyuxinchen
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I met the same problem! When I use 2 GPUS with batch_size 32，I can only get highest acc 83.1 with 500 epochs, but when I change batch_size from 32 to 16, now with 200 epochs, the highest acc is 87+

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@huanyuxinchen @tiancity-bytedance