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Posted to issues@systemml.apache.org by "Glenn Weidner (JIRA)" <ji...@apache.org> on 2017/09/09 03:51:00 UTC
[jira] [Updated] (SYSTEMML-1841) Performance issue codegen outer
over ultra-sparse matrices
[ https://issues.apache.org/jira/browse/SYSTEMML-1841?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Glenn Weidner updated SYSTEMML-1841:
------------------------------------
Fix Version/s: (was: SystemML 1.0)
SystemML 0.15
> Performance issue codegen outer over ultra-sparse matrices
> ----------------------------------------------------------
>
> Key: SYSTEMML-1841
> URL: https://issues.apache.org/jira/browse/SYSTEMML-1841
> Project: SystemML
> Issue Type: Bug
> Reporter: Matthias Boehm
> Assignee: Matthias Boehm
> Fix For: SystemML 0.15
>
>
> Experiments with codegen outer operations over the Amazon Books review dataset (8,026,324 x 2,330,066, nnz=22,507,155, i.e., sparsity=10^(-6)) showed unnecessary overhead for this ultra-sparse data set. This task aims to remove this overhead.
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