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https://issues.apache.org/jira/browse/SYSTEMML-1755?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Glenn Weidner updated SYSTEMML-1755:
------------------------------------
Fix Version/s: (was: SystemML 1.0)
SystemML 0.15
> Failed instruction generation during dynamic recompilation
> ----------------------------------------------------------
>
> Key: SYSTEMML-1755
> URL: https://issues.apache.org/jira/browse/SYSTEMML-1755
> Project: SystemML
> Issue Type: Bug
> Reporter: Matthias Boehm
> Assignee: Matthias Boehm
> Fix For: SystemML 0.15
>
>
> {code}
> Caused by: org.apache.sysml.runtime.DMLRuntimeException: Unable to recompile
> program block.
> at
> org.apache.sysml.runtime.controlprogram.ProgramBlock.execute(ProgramBlock.java:159)
> at
> org.apache.sysml.runtime.controlprogram.FunctionProgramBlock.execute(FunctionProgramBlock.java:115)
> ... 13 more
> Caused by: java.lang.NullPointerException
> at org.apache.sysml.lops.BinaryScalar.getOpcode(BinaryScalar.java:119)
> at
> org.apache.sysml.lops.BinaryScalar.getInstructions(BinaryScalar.java:84)
> at
> org.apache.sysml.lops.compile.Dag.generateControlProgramJobs(Dag.java:1405)
> at org.apache.sysml.lops.compile.Dag.doGreedyGrouping(Dag.java:1175)
> at org.apache.sysml.lops.compile.Dag.getJobs(Dag.java:269)
> at
> org.apache.sysml.hops.recompile.Recompiler.recompileHopsDag(Recompiler.java:240)
> at
> org.apache.sysml.runtime.controlprogram.ProgramBlock.execute(ProgramBlock.java:147)
> ... 14 more
> {code}
> The root cause was a simplification rewrite for binary matrix-scalar
> operations which did not account for unsupported scalar operations such as
> {{OpOp2.QUANTILE, OpOp2.CENTRALMOMENT, OpOp2.MINUS1_MULT, OpOp2.MINUS_NZ,
> OpOp2.LOG_NZ}}.
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