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https://issues.apache.org/jira/browse/SYSTEMML-1715?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Glenn Weidner updated SYSTEMML-1715:
------------------------------------
Fix Version/s: (was: SystemML 1.0)
SystemML 0.15
> Parfor optimizer fails w/ complex indexing expressions in spark exec modes
> --------------------------------------------------------------------------
>
> Key: SYSTEMML-1715
> URL: https://issues.apache.org/jira/browse/SYSTEMML-1715
> Project: SystemML
> Issue Type: Bug
> Reporter: Matthias Boehm
> Assignee: Matthias Boehm
> Fix For: SystemML 0.15
>
>
> The function nn/layers/conv2d_depthwise.dml::forward throws the following
> exception in spark execution modes. The reason why it does not show up in
> hadoop execution modes, is because it originates from a codepath for block
> partitioning, which is only supported in Spark.
> {code}
> Caused by: java.lang.RuntimeException: java.lang.NullPointerException
> at
> org.apache.sysml.parser.ParForStatementBlock.determineAccessPattern(ParForStatementBlock.java:616)
> at
> org.apache.sysml.parser.ParForStatementBlock.rDeterminePartitioningCandidates(ParForStatementBlock.java:567)
> at
> org.apache.sysml.parser.ParForStatementBlock.rDeterminePartitioningCandidates(ParForStatementBlock.java:554)
> at
> org.apache.sysml.parser.ParForStatementBlock.determineDataPartitionFormat(ParForStatementBlock.java:417)
> at
> org.apache.sysml.runtime.controlprogram.parfor.opt.OptimizerRuleBased.rewriteSetDataPartitioner(OptimizerRuleBased.java:434)
> at
> org.apache.sysml.runtime.controlprogram.parfor.opt.OptimizerRuleBased.optimize(OptimizerRuleBased.java:244)
> at
> org.apache.sysml.runtime.controlprogram.parfor.opt.OptimizationWrapper.optimize(OptimizationWrapper.java:243)
> at
> org.apache.sysml.runtime.controlprogram.parfor.opt.OptimizationWrapper.optimize(OptimizationWrapper.java:117)
> at
> org.apache.sysml.runtime.controlprogram.ParForProgramBlock.execute(ParForProgramBlock.java:579)
> at
> org.apache.sysml.runtime.controlprogram.FunctionProgramBlock.execute(FunctionProgramBlock.java:115)
> ... 18 more
> Caused by: java.lang.NullPointerException
> at
> org.apache.sysml.parser.ParForStatementBlock.rParseBinaryExpression(ParForStatementBlock.java:1898)
> at
> org.apache.sysml.parser.ParForStatementBlock.getLinearFunction(ParForStatementBlock.java:1728)
> at
> org.apache.sysml.parser.ParForStatementBlock.determineAccessPattern(ParForStatementBlock.java:599)
> ... 27 more
> {code}
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