[SYSTEMDS-609] StepLinregDS algorithm fails on parfor optimization

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: SystemML 0.10
• Component/s: Compiler, Runtime
• Assignee: Matthias Boehm
• Reporter: Matthias Boehm
• Created: 01/Apr/16 01:32
• Updated: 14/Apr/16 04:13
• Resolved: 01/Apr/16 22:23

Description

StepLinregDS fails - independent of the datasize - during parfor optimization, specifically during the update in-place rewrite.

Exception in thread "main" org.apache.sysml.api.DMLException: org.apache.sysml.runtime.DMLRuntimeException: java.lang.ClassCastException: org.apache.sysml.hops.FunctionOp incompatible with org.apache.sysml.parser.StatementBlock
        at org.apache.sysml.api.DMLScript.executeScript(DMLScript.java:350)
        at org.apache.sysml.api.DMLScript.main(DMLScript.java:197)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:60)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
        at java.lang.reflect.Method.invoke(Method.java:611)
        at org.apache.hadoop.util.RunJar.main(RunJar.java:212)
Caused by: org.apache.sysml.runtime.DMLRuntimeException: java.lang.ClassCastException: org.apache.sysml.hops.FunctionOp incompatible with org.apache.sysml.parser.StatementBlock
        at org.apache.sysml.runtime.controlprogram.Program.execute(Program.java:153)
        at org.apache.sysml.api.DMLScript.execute(DMLScript.java:678)
        at org.apache.sysml.api.DMLScript.executeScript(DMLScript.java:338)
        ... 6 more
Caused by: java.lang.ClassCastException: org.apache.sysml.hops.FunctionOp incompatible with org.apache.sysml.parser.StatementBlock
        at org.apache.sysml.runtime.controlprogram.parfor.opt.OptTreePlanMappingAbstract.getMappedProg(OptTreePlanMappingAbstract.java:101)
        at org.apache.sysml.runtime.controlprogram.parfor.opt.OptimizerRuleBased.rComputeSumMemoryIntermediates(OptimizerRuleBased.java:2746)
        at org.apache.sysml.runtime.controlprogram.parfor.opt.OptimizerRuleBased.rComputeSumMemoryIntermediates(OptimizerRuleBased.java:2732)
        at org.apache.sysml.runtime.controlprogram.parfor.opt.OptimizerRuleBased.rComputeSumMemoryIntermediates(OptimizerRuleBased.java:2732)
        at org.apache.sysml.runtime.controlprogram.parfor.opt.OptimizerRuleBased.rComputeSumMemoryIntermediates(OptimizerRuleBased.java:2732)
        at org.apache.sysml.runtime.controlprogram.parfor.opt.OptimizerRuleBased.rComputeSumMemoryIntermediates(OptimizerRuleBased.java:2732)
        at org.apache.sysml.runtime.controlprogram.parfor.opt.OptimizerRuleBased.rewriteSetInPlaceResultIndexing(OptimizerRuleBased.java:1891)
        at org.apache.sysml.runtime.controlprogram.parfor.opt.OptimizerRuleBased.optimize(OptimizerRuleBased.java:311)
        at org.apache.sysml.runtime.controlprogram.parfor.opt.OptimizationWrapper.optimize(OptimizationWrapper.java:322)
        at org.apache.sysml.runtime.controlprogram.parfor.opt.OptimizationWrapper.optimize(OptimizationWrapper.java:175)
        at org.apache.sysml.runtime.controlprogram.ParForProgramBlock.execute(ParForProgramBlock.java:549)
        at org.apache.sysml.runtime.controlprogram.Program.execute(Program.java:146)

Issue Links

• relates to: SYSTEMDS-410 Update in-place parfor intermediates