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From "Matthias Boehm (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SYSTEMML-2192) Improvements for multi-threaded execution
Date Sun, 18 Mar 2018 04:34:00 GMT

     [ https://issues.apache.org/jira/browse/SYSTEMML-2192?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Matthias Boehm updated SYSTEMML-2192:
-------------------------------------
    Description: On modern servers, with close to or more than 100 virtual cores, even small
serial fractions of multi-threaded operations (e.g., for thread pool creation, final aggregation,
or dense-sparse conversion) can significantly limit the attainable speedup and thus limit
performance. This epic aims to resolve all related issues for the SystemML 1.2 release.  (was:
On modern servers, with close to or more than 100 cores, even small serial fractions of multi-threaded
operations (e.g., for thread pool creation, final aggregation, or dense-sparse conversion)
can significantly limit the attainable speedup and thus limit performance. This epic aims
to resolve all related issues for the SystemML 1.2 release.)

> Improvements for multi-threaded execution
> -----------------------------------------
>
>                 Key: SYSTEMML-2192
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-2192
>             Project: SystemML
>          Issue Type: Epic
>            Reporter: Matthias Boehm
>            Priority: Major
>
> On modern servers, with close to or more than 100 virtual cores, even small serial fractions
of multi-threaded operations (e.g., for thread pool creation, final aggregation, or dense-sparse
conversion) can significantly limit the attainable speedup and thus limit performance. This
epic aims to resolve all related issues for the SystemML 1.2 release.



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