[SYSTEMDS-2665] Ctable operator rxpand fails w/ index out of bounds

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: SystemDS 2.0
• Assignee: Matthias Boehm
• Reporter: Matthias Boehm
• Created: 15/Sep/20 21:43
• Updated: 15/Sep/20 21:56
• Resolved: 15/Sep/20 21:56

Description

The rexpand rows branch fails as follows for an 3048682 with expansion vector holding only ones (so the output is a vector as well).

An Error Occured :
      DMLRuntimeException -- org.apache.sysds.runtime.DMLRuntimeException: ERROR: Runtime error in program block generated from statement block between lines 1 and 6 -- Error evaluating instruction: CP°fcall°.defaultNS°m_slicefinder°true°9°2°X=pREADX·MATRIX·FP64°e=pREADe·MATRIX·FP64°k=10·SCALAR·INT64·true°maxL=0·SCALAR·INT64·true°alpha=0.95·SCALAR·FP64·true°minSup=955.0·SCALAR·FP64·true°tpBlksz=16·SCALAR·INT64·true°verbose=true·SCALAR·BOOLEAN·true°tpEval=true·SCALAR·BOOLEAN·true°S°C
      DMLRuntimeException -- ERROR: Runtime error in program block generated from statement block between lines 1 and 6 -- Error evaluating instruction: CP°fcall°.defaultNS°m_slicefinder°true°9°2°X=pREADX·MATRIX·FP64°e=pREADe·MATRIX·FP64°k=10·SCALAR·INT64·true°maxL=0·SCALAR·INT64·true°alpha=0.95·SCALAR·FP64·true°minSup=955.0·SCALAR·FP64·true°tpBlksz=16·SCALAR·INT64·true°verbose=true·SCALAR·BOOLEAN·true°tpEval=true·SCALAR·BOOLEAN·true°S°C
      DMLRuntimeException -- error executing function .defaultNS::m_slicefinder
      DMLRuntimeException -- ERROR: Runtime error in function program block generated from function statement block between lines 38 and 114 -- Error evaluating function program block
      DMLRuntimeException -- ERROR: Runtime error in while program block generated from while statement block between lines 71 and 106 -- Error evaluating while program block
      DMLRuntimeException -- ERROR: Runtime error in program block generated from statement block between lines 76 and 76 -- Error evaluating instruction: CP°fcall°.defaultNS°getPairedCandidates°true°12°1°S=S·MATRIX·FP64°R=R·MATRIX·FP64°TK=TK·MATRIX·FP64°TKC=TKC·MATRIX·FP64°k=10·SCALAR·INT64·true°level=level·SCALAR·INT64·false°eAvg=eAvg·SCALAR·FP64·false°minSup=955.0·SCALAR·FP64·true°alpha=0.95·SCALAR·FP64·true°n2=n2·SCALAR·INT64·false°foffb=foffb·MATRIX·FP64°foffe=foffe·MATRIX·FP64°S
      DMLRuntimeException -- error executing function .defaultNS::getPairedCandidates
      DMLRuntimeException -- ERROR: Runtime error in function program block generated from function statement block between lines 199 and 303 -- Error evaluating function program block
      DMLRuntimeException -- ERROR: Runtime error in if program block generated from if statement block between lines 223 and 302 -- Error evaluating if statement body
      DMLRuntimeException -- ERROR: Runtime error in program block generated from statement block between lines 274 and 289 -- Error evaluating instruction: CP°rexpand°cast=true°max=¶_Var7418¶°ignore=false°dir=rows°target=ID°k=112°_mVar7419·MATRIX·FP64
ArrayIndexOutOfBoundsException -- 3048682