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Posted to issues@systemml.apache.org by "Matthias Boehm (JIRA)" <ji...@apache.org> on 2017/08/11 02:54:01 UTC

[jira] [Created] (SYSTEMML-1836) Large GC overhead for scripts w/ row-wise generated operators.

Matthias Boehm created SYSTEMML-1836:
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             Summary: Large GC overhead for scripts w/ row-wise generated operators.
                 Key: SYSTEMML-1836
                 URL: https://issues.apache.org/jira/browse/SYSTEMML-1836
             Project: SystemML
          Issue Type: Bug
            Reporter: Matthias Boehm


This task aims to improve the unnecessary large garbage collection overhead for scripts with many row-wise fused operators. For example, Kmeans and Mlogreg over 10M x 10 inputs show GC overheads of 102s and 37s, respectively.



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