Comments (6)
@mxfengustc Hi, we find that IMPALA example also can run normally when using single GPU to train. You can try to set export CUDA_VISIBLE_DEVICES=0
.
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这边测试了下发现paddle>=1.5.1版本时,在GPU上训练时会有这个问题,CPU能正常训练(export CUDA_VISIBLE_DEVICES=""),这个问题应该跟Paddle的这个issue类似:
PaddlePaddle/Paddle#19628
这边先问下Paddle开发者这个issue解决的进展,你也可以先尝试用CPU训练先。
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Thanks for raising the issue. Can you run the IMPALA algorithm in your environment when setting CUDA_VISIBLE_DEVICES=""
?
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@TomorrowIsAnOtherDay When I only use CPU to run it, no errors occurred.
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@zenghsh3 Hi,thanks for the advice, now i can run the code~
You can close the issue , and i think that maybe you can communicate with paddlepaddle team to try to solve the problem for getting errors when using multiple gpus.
I offen use some nodes with gpus as actors to sample experiences, i want to know if errors will occur in this setting(actors with gpus)
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Thanks @zenghsh3 for providing the temporary solution. I'm closing the issue as it is not an error of PARL
. We can confirm that it is a bug of PaddlePaddle.
We will do following things:
- assert that only a GPU is being used when running the
IMPALA
algorithm. - locate the bug and report it to the Paddle team.
Thanks @mxfengustc for reporting the issue and @yobobobo for providing suggestion.
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