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https://issues.apache.org/jira/browse/SINGA-142?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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wangwei closed SINGA-142.
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Resolution: Fixed
> A bug in BPTTWorker::Backward() function with layers partially unrolled in
> neuralnet
> ------------------------------------------------------------------------------------
>
> Key: SINGA-142
> URL: https://issues.apache.org/jira/browse/SINGA-142
> Project: Singa
> Issue Type: Bug
> Reporter: Zheng Kaiping
>
> This is in SINGA_HOME/src/work.cc, in “void BPTTWorker::Backward (int step,
> NeuralNet* net) {}” function. It affects training in neuralnets with
> partially unrolled layers.
> To be specific, there is no need to consider non-unrolled layers (i.e,
> without parameter sharing) when aggregating gradients for parameters.
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