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From "Matthias Boehm (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SYSTEMML-1836) Large GC overhead for scripts w/ row-wise generated operators.
Date Fri, 11 Aug 2017 02:54:01 GMT
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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