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training speed #12

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bruinxiong opened this issue Dec 5, 2018 · 1 comment
Open

training speed #12

bruinxiong opened this issue Dec 5, 2018 · 1 comment

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@bruinxiong
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I run training code, but the speed is quite slow. only 20 images/sec even I set batch_image =32 on 1 GPU or 4 GPU even larger. Could you give some comments ?
@nttstar
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nttstar commented Dec 5, 2018

CPU is the performance bottleneck. We may need a refined c++ data loader to boost the speed.

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@nttstar @bruinxiong