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Posted to issues@systemml.apache.org by "Matthias Boehm (JIRA)" <ji...@apache.org> on 2018/06/26 03:45:00 UTC
[jira] [Closed] (SYSTEMML-2408) Invalid empty input handling on
fused mmchain XtXvy w/ minus
[ https://issues.apache.org/jira/browse/SYSTEMML-2408?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Matthias Boehm closed SYSTEMML-2408.
------------------------------------
Resolution: Fixed
Assignee: Matthias Boehm
Fix Version/s: SystemML 1.2
> Invalid empty input handling on fused mmchain XtXvy w/ minus
> ------------------------------------------------------------
>
> Key: SYSTEMML-2408
> URL: https://issues.apache.org/jira/browse/SYSTEMML-2408
> Project: SystemML
> Issue Type: Bug
> Reporter: Matthias Boehm
> Assignee: Matthias Boehm
> Priority: Major
> Fix For: SystemML 1.2
>
>
> We compile a single fused mmchain operator of type XtXvy but this implementation did not properly handle empty right hand side vectors (here combined_weights) in case of minus.
> {code}
> residuals = local_X %*% combined_weights - X[,1]
> res_A = t(local_X) %*% residuals
> {code}
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