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Forum: Run Management
Re: Question Process size growing (Witold Matysiak)
Date: 08 Feb, 2012
From: Soon Yung Jun <Soon Yung Jun>

G4CP (Geant4 Computing Performance) Task Force has not observed any ill-behaviour of memory usages in the routine benchmarking and profiling for the geant4 9.5 and 9.5.r01 release - please see the link "memory profiler" at

Since the current G4CP performance benchmarking and profiling may not cover all possible simulation scenarios (physics list, particle types, energy ranges and geometry/materials and so on), we tried to reproduce the observed memory growth with the example application (hadrontherapy) on a Linux system, but could not detect any direct memory leakage with the executable built with geant4.9.5 from a test job using defaultMacroWithReferencePhysicsList.mac - please see the memory profiling result, especially "DIFF(101-1)" under LIVE_MEM, at

At this meoment, we cannot tell that the problem is platform specific (i.e., running the application on Windows). The Windows geant4 expert may investigate the problem further.

Regards, ---Soon

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