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From "wangwei (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (SINGA-44) A bug when reseting metric values
Date Thu, 13 Aug 2015 05:12:47 GMT

     [ https://issues.apache.org/jira/browse/SINGA-44?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

wangwei resolved SINGA-44.
--------------------------
    Resolution: Fixed

> A bug when reseting metric values
> ---------------------------------
>
>                 Key: SINGA-44
>                 URL: https://issues.apache.org/jira/browse/SINGA-44
>             Project: Singa
>          Issue Type: Bug
>            Reporter: Zheng Kaiping
>
> In /src/utils/common.cc, inside the loop of  "void Metric::Reset()" function, the reference
of entry needs to be reset instead of the variable.
> Previous:
> for(auto e : entry_)
> Fix the bug:
> for(auto &e : entry_) 
> If we use the previous reset method, the metric value is output as an average value for
all minibatches. Then even if we have set the frequency to output metrics in job.conf (which
means we need the average metric values every several minibatches), the output results are
incorrect. Therefore, the previous reset method causes invalid metric value resetting operation.



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