[SYSTEMDS-2072] Stepwise linregDS w/ codegen fails due to unknown size of intermediates

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: SystemML 1.1
• Epic Link: Code generation for operator fusion v3
• Assignee: Matthias Boehm
• Reporter: Matthias Boehm
• Created: 14/Jan/18 01:58
• Updated: 16/Jan/18 22:32
• Resolved: 16/Jan/18 22:32

Description

With codegen enabled, the stepwise linregDS script fails for both dense and sparse with the following error:

Caused by: org.apache.sysml.runtime.DMLRuntimeException: Invalid meta data returned by 'nrow': 2468:CP°nrow°X·MATRIX·DOUBLE·false°_Var11125·SCALAR·INT
	at org.apache.sysml.runtime.instructions.cp.AggregateUnaryCPInstruction.processInstruction(AggregateUnaryCPInstruction.java:123)
	at org.apache.sysml.runtime.controlprogram.ProgramBlock.executeSingleInstruction(ProgramBlock.java:264)