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Posted to dev@singa.apache.org by "wangwei (JIRA)" <ji...@apache.org> on 2016/10/06 08:15:20 UTC

[jira] [Closed] (SINGA-148) Race condition between Worker threads and Driver

     [ https://issues.apache.org/jira/browse/SINGA-148?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

wangwei closed SINGA-148.
-------------------------
    Resolution: Fixed

> Race condition between Worker threads and Driver
> ------------------------------------------------
>
>                 Key: SINGA-148
>                 URL: https://issues.apache.org/jira/browse/SINGA-148
>             Project: Singa
>          Issue Type: Bug
>         Environment: Tested on Debian 8.3
>            Reporter: Tan Li Boon
>              Labels: newbie
>   Original Estimate: 1h
>  Remaining Estimate: 1h
>
> In the main branch, a thread of execution for each worker is started before information about its device type is passed into it.
> This causes test cases such as MNIST to not use GPUs for calculation, and other test cases such as CIFAR10 to fail when it attempts to perform cudnn-based functions on the CPU.
> A temporary workaround is to make the worker thread sleep for 1 second, but that's not a desirable workaround.
> This issue aims to implement a proper fix.



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