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https://issues.apache.org/jira/browse/SYSTEMML-1916?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias Boehm closed SYSTEMML-1916.
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Resolution: Duplicate
Assignee: Matthias Boehm
Fix Version/s: SystemML 1.0
> Improve CLA robustness for incompressible inputs
> ------------------------------------------------
>
> Key: SYSTEMML-1916
> URL: https://issues.apache.org/jira/browse/SYSTEMML-1916
> Project: SystemML
> Issue Type: Sub-task
> Reporter: Matthias Boehm
> Assignee: Matthias Boehm
> Fix For: SystemML 1.0
>
>
> This task aims to add a very check pre-filtering step to check for completely
> incompressible blocks, in which case we should immediately return the
> original block instead of going through the elaborate compression process and
> ending up with a single column group in UC format.
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