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From "Glenn Weidner (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SYSTEMML-1852) IPA fails w/ issue of simplification rewrite
Date Sat, 09 Sep 2017 03:57:00 GMT

     [ https://issues.apache.org/jira/browse/SYSTEMML-1852?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Glenn Weidner updated SYSTEMML-1852:
------------------------------------
    Fix Version/s:     (was: SystemML 1.0)
                   SystemML 0.15

> IPA fails w/ issue of simplification rewrite
> --------------------------------------------
>
>                 Key: SYSTEMML-1852
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-1852
>             Project: SystemML
>          Issue Type: Bug
>            Reporter: Matthias Boehm
>            Assignee: Matthias Boehm
>             Fix For: SystemML 0.15
>
>
> After the recent IPA and compiler changes (e.g., merge of statement blocks), we encountered
the following rewrite issue:
> {code}
> Caused by: org.apache.sysml.hops.HopsException: Failed to retrieve 'to' argument from
basic 1-N sequence.
>         at org.apache.sysml.hops.rewrite.HopRewriteUtils.getBasic1NSequenceMaxLiteral(HopRewriteUtils.java:1005)
>         at org.apache.sysml.hops.rewrite.RewriteAlgebraicSimplificationStatic.simplifyOuterSeqExpand(RewriteAlgebraicSimplificationStatic.java:1644)
>         at org.apache.sysml.hops.rewrite.RewriteAlgebraicSimplificationStatic.rule_AlgebraicSimplification(RewriteAlgebraicSimplificationStatic.java:173)
>         at org.apache.sysml.hops.rewrite.RewriteAlgebraicSimplificationStatic.rule_AlgebraicSimplification(RewriteAlgebraicSimplificationStatic.java:178)
>         at org.apache.sysml.hops.rewrite.RewriteAlgebraicSimplificationStatic.rule_AlgebraicSimplification(RewriteAlgebraicSimplificationStatic.java:178)
>         at org.apache.sysml.hops.rewrite.RewriteAlgebraicSimplificationStatic.rule_AlgebraicSimplification(RewriteAlgebraicSimplificationStatic.java:178)
>         at org.apache.sysml.hops.rewrite.RewriteAlgebraicSimplificationStatic.rule_AlgebraicSimplification(RewriteAlgebraicSimplificationStatic.java:178)
>         at org.apache.sysml.hops.rewrite.RewriteAlgebraicSimplificationStatic.rule_AlgebraicSimplification(RewriteAlgebraicSimplificationStatic.java:178)
>         at org.apache.sysml.hops.rewrite.RewriteAlgebraicSimplificationStatic.rule_AlgebraicSimplification(RewriteAlgebraicSimplificationStatic.java:178)
>         at org.apache.sysml.hops.rewrite.RewriteAlgebraicSimplificationStatic.rewriteHopDAGs(RewriteAlgebraicSimplificationStatic.java:83)
>         at org.apache.sysml.hops.rewrite.ProgramRewriter.rewriteHopDAGs(ProgramRewriter.java:275)
>         at org.apache.sysml.hops.rewrite.ProgramRewriter.rewriteStatementBlockHopDAGs(ProgramRewriter.java:265)
>         at org.apache.sysml.hops.rewrite.ProgramRewriter.rewriteStatementBlockHopDAGs(ProgramRewriter.java:249)
>         at org.apache.sysml.hops.rewrite.ProgramRewriter.rewriteStatementBlockHopDAGs(ProgramRewriter.java:233)
>         at org.apache.sysml.hops.rewrite.ProgramRewriter.rewriteProgramHopDAGs(ProgramRewriter.java:206)
>         at org.apache.sysml.hops.ipa.IPAPassApplyStaticHopRewrites.rewriteProgram(IPAPassApplyStaticHopRewrites.java:52)
>         at org.apache.sysml.hops.ipa.InterProceduralAnalysis.analyzeProgram(InterProceduralAnalysis.java:202)
>         at org.apache.sysml.parser.DMLTranslator.rewriteHopsDAG(DMLTranslator.java:281)
> {code}



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