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Posted to issues@systemml.apache.org by "Matthias Boehm (JIRA)" <ji...@apache.org> on 2017/09/16 02:43:00 UTC

[jira] [Created] (SYSTEMML-1916) Improve CLA robustness for incompressible inputs

Matthias Boehm created SYSTEMML-1916:
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             Summary: 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


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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