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https://issues.apache.org/jira/browse/SYSTEMML-1289?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias Boehm resolved SYSTEMML-1289.
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Resolution: Done
Assignee: Matthias Boehm
> Support compressed matrix blocks
> --------------------------------
>
> Key: SYSTEMML-1289
> URL: https://issues.apache.org/jira/browse/SYSTEMML-1289
> Project: SystemML
> Issue Type: Sub-task
> Components: Compiler, Runtime
> Reporter: Matthias Boehm
> Assignee: Matthias Boehm
> Fix For: SystemML 1.0
>
>
> This task aims to support all fused operator templates over compressed matrix
> blocks, without decompression.
> 1) Cellwise and multi-aggregate operator templates (column-wise processing)
> 2) Row-wise operator templates (row decompression)
> 3) Outer-product operator templates (column-wise processing)
> 4) Exploitation of distinct tuples whenever safe to do so.
> 5) Side input handling with partial decompression (e.g., leverage random
> access of DDC groups)
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