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https://issues.apache.org/jira/browse/SYSTEMML-1885?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias Boehm updated SYSTEMML-1885:
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Description: The codegen cell template does not yet exploit the ability to
perform sparse-safe unary operations purely over the value tuples of compressed
matrices, which leads to significant slowdowns of orders of magnitude.
> Slow codegen sparse-safe aggregates over compressed data
> --------------------------------------------------------
>
> Key: SYSTEMML-1885
> URL: https://issues.apache.org/jira/browse/SYSTEMML-1885
> Project: SystemML
> Issue Type: Bug
> Reporter: Matthias Boehm
>
> The codegen cell template does not yet exploit the ability to perform
> sparse-safe unary operations purely over the value tuples of compressed
> matrices, which leads to significant slowdowns of orders of magnitude.
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