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Opened 8 years ago

Closed 8 years ago

#2570 closed defect (done)

SymbolicExpressionTree GetLength and GetDepth could return wrong results

Reported by: mkommend Owned by: mkommend
Priority: high Milestone: HeuristicLab 3.3.14
Component: Encodings.SymbolicExpressionTreeEncoding Version: 3.3.13
Keywords: Cc:


SymbolicExpressionTree.GetLength and GetDepth are not implemented thread-safe and could return wrong, intermediate results when two threads access those methods in parallel.

Change History (5)

comment:1 Changed 8 years ago by mkommend

  • Status changed from new to accepted

comment:2 Changed 8 years ago by mkommend

r13579: Made SymbolicExpressionTreeNode.GetDepth/Length thread safe.

comment:3 Changed 8 years ago by mkommend

  • Owner changed from mkommend to gkronber
  • Status changed from accepted to reviewing

comment:4 Changed 8 years ago by gkronber

  • Owner changed from gkronber to mkommend
  • Status changed from reviewing to readytorelease

Reviewed r13579. The assignment of ushort values is thread-safe (length = l, depth = d). So this should be ok.

The only problem I see is duplicate writes to length or depth but that should not be an issue since it should always write the same value.

comment:5 Changed 8 years ago by mkommend

  • Resolution set to done
  • Status changed from readytorelease to closed

r13641: Merged r13579 into stable.

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