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https://issues.apache.org/jira/browse/SYSTEMML-1841?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias Boehm resolved SYSTEMML-1841.
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Resolution: Fixed
Assignee: Matthias Boehm
Fix Version/s: SystemML 1.0
> 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 1.0
>
>
> 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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