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Forum: Particles
Date: 13 Feb, 2007
From: Lance Simms <Lance Simms>

I am fairly certain that there is a memory leak in the G4Decay class in the version of GEANT4 I am using.

I am using ExN02 from the novice examples. When I change the generated particle to muons, the memory used by ExN02 grows linearly with respect to time. If I remove the following lines from

  // Add Decay Process
  G4Decay* theDecayProcess = new G4Decay("decay");
  while( (*theParticleIterator)() ){
    G4ParticleDefinition* particle = theParticleIterator->value();
    G4ProcessManager* pmanager = particle->GetProcessManager();
    if (theDecayProcess->IsApplicable(*particle)) {
      pmanager ->AddProcess(theDecayProcess);
      pmanager ->SetProcessOrdering(theDecayProcess, idxPostStep);
      pmanager ->SetProcessOrdering(theDecayProcess, idxAtRest);

the memory leak goes away.

I am currently using the installation at SLAC under /afs/slac/geant4/vol4. This is geant4-08-00-p01-patch-00.

Is this an issue with the version I am using? Has anyone seen this before?

Help would be greatly appreciated,


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1 None: Re: Memory Leak with Muons Decaying   (Makoto Asai - 13 Feb, 2007)
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