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From "Matthias Boehm (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SYSTEMML-2038) Dense-sparse block conversions into memory-efficient CSR
Date Thu, 07 Dec 2017 04:06:00 GMT
Matthias Boehm created SYSTEMML-2038:
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             Summary: Dense-sparse block conversions into memory-efficient CSR
                 Key: SYSTEMML-2038
                 URL: https://issues.apache.org/jira/browse/SYSTEMML-2038
             Project: SystemML
          Issue Type: Task
            Reporter: Matthias Boehm


The sparse-dense matrix block conversion currently allocates the output in the default sparse
representation, which is MCSR. However, this primitive knows the number of non-zeros upfront
and hence can produce the output in CSR which is much more memory efficient.



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