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https://issues.apache.org/jira/browse/SYSTEMML-1137?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mike Dusenberry closed SYSTEMML-1137.
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Resolution: Duplicate
Fix Version/s: Not Applicable
> Mismatch between expected and actual nonzeros when writing sparse to
> ultrasparse matrixblock
> --------------------------------------------------------------------------------------------
>
> Key: SYSTEMML-1137
> URL: https://issues.apache.org/jira/browse/SYSTEMML-1137
> Project: SystemML
> Issue Type: Bug
> Reporter: Felix Schüler
> Priority: Blocker
> Fix For: Not Applicable
>
>
> When writing a sparse to ultrasparse matrixblock in
> MatrixBlock.writeSparseToUltraSparse() an exception is thrown that indicates
> a mismatch in counted and expected nonzeros.
> One quick solution is to add a recomputeNonzeros to the ReorgCPInstruction to
> keep the nonzeros up to date. I am not sure though if we want to do this
> after every reorg or if the mismatch comes from another place.
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