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The speed of batch sampler #2

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hzh8311 opened this issue May 14, 2019 · 1 comment
Open

The speed of batch sampler #2

hzh8311 opened this issue May 14, 2019 · 1 comment

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@hzh8311
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hzh8311 commented May 14, 2019

I use the batch sampler in this repo, but the data fetch speed is quite slow, which is ~250s for 50 batches. The batch size is 256, P=32, K=8, use 4 workers and 4 GPUs. Have you encountered with this problem?
@hzh8311
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hzh8311 commented May 14, 2019

The 250s is only for data loading, and the time for model training is ~40s

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