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Error when using DataParallel #4

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ybzhou opened this issue Sep 12, 2017 · 3 comments
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Error when using DataParallel #4

ybzhou opened this issue Sep 12, 2017 · 3 comments
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@ybzhou
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ybzhou commented Sep 12, 2017

When using with DataParallel, received the following error
cupy.cuda.driver.CUDADriverError: CUDA_ERROR_INVALID_HANDLE: invalid resource handle

single gpu works fine
@taolei87
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@ybzhou hi, I've only tested it on single GPU.
the issue might be here, where the CUDA steam is created once and fixed when the file is imported. this means it's binded to a single GPU probably.

need to investigate how to change the stream. let me know if you have a fix :)

@taolei87
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taolei87 commented Sep 12, 2017 •
edited

  • add multi-GPU support

@wangwei7175878 wangwei7175878 mentioned this issue Sep 12, 2017
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@taolei87 taolei87 mentioned this issue Sep 12, 2017
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@taolei87
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Now there is a version in "multigpu" branch. I will do more test before merging it into the master branch. Please feel free to use the current version.

@Sunnydreamrain Sunnydreamrain mentioned this issue Apr 18, 2019
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@ybzhou @taolei87