# More gpu accelerate the speed of dataloader?

**URL:** <https://discuss.pytorch.org/t/more-gpu-accelerate-the-speed-of-dataloader/82962>\
**Category:** Uncategorized\
**Created:** [May 26, 2020, 1:53pm UTC](https://discuss.pytorch.org/t/more-gpu-accelerate-the-speed-of-dataloader/82962 "2020-05-26T13:53:00Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![ptrblck](https://discuss.pytorch.org/user_avatar/discuss.pytorch.org/ptrblck/32/1823_2.png) [@ptrblck](https://discuss.pytorch.org/u/ptrblck)\
**Post date:** [May 27, 2020, 8:38am UTC](https://discuss.pytorch.org/t/more-gpu-accelerate-the-speed-of-dataloader/82962/3 "2020-05-27T08:38:22Z")

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Could you share the code you’ve used to measure the data loading speed?  
Note that too many workers might degrade the performance as explained in [this post](https://discuss.pytorch.org/t/how-to-prefetch-data-when-processing-with-gpu/548/19).

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