[jira] [Created] (SYSTEMML-2343) Invalid function removal for eval input to pwrite/print

["Matthias Boehm (JIRA)" <ji...@apache.org>]

Matthias Boehm created SYSTEMML-2343:
----------------------------------------

             Summary: Invalid function removal for eval input to pwrite/print
                 Key: SYSTEMML-2343
                 URL: https://issues.apache.org/jira/browse/SYSTEMML-2343
             Project: SystemML
          Issue Type: Bug
            Reporter: Matthias Boehm


The following script fails with missing function and misleading error message. The root cause is incorrect meta data management in the functional call graph of IPA which did not properly detect eval functions under persistent writes or print/tostring.

{code}
foo1 = function (matrix[double] M) return (matrix[double] ret) {
  ret = M + 1
}

foo2 = function (matrix[double] M) return (matrix[double] ret) {
  ret = M + 2
}


M = matrix ("1 2 3 4 5 6", rows=3, cols=2)

A = eval("foo1", M)
B = eval("foo2", A)

print ("A = \n" + toString(A))
print ("B = \n" + toString(B))
{code}

{code}
Caused by: org.apache.sysml.runtime.DMLRuntimeException: namespace .defaultNS is undefined
	at org.apache.sysml.runtime.controlprogram.Program.getFunctionProgramBlock(Program.java:93)
	at org.apache.sysml.runtime.instructions.cp.FunctionCallCPInstruction.processInstruction(FunctionCallCPInstruction.java:101)
	at org.apache.sysml.runtime.instructions.cp.EvalNaryCPInstruction.processInstruction(EvalNaryCPInstruction.java:67)
	at org.apache.sysml.runtime.controlprogram.ProgramBlock.executeSingleInstruction(ProgramBlock.java:252)
	... 36 more
{code}



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