|Message: Re: Clear the memory allocated for G4VPrimitiveScorer?||Not Logged In (login)|
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If you are running your code in multithreaded mode, for the sake of avoiding the massive communications over the threads, each thread has its own map, and they are merged into one at the end of the event loop. |
The size of the map does not linearly depend on number of events. It's just proportional to the number of bins that have non-zero entries. But the more events you have, the more voxels would have energy depositions. If memory size is your concern, please reduce number of voxels. Also, if you don't need to get the statistical errors, you may want to use std::map<int,double> instead of std::map<int,G4StatDouble>, but you have to edit the Geant4 source code as we do not have a convenient option flags for this (sorry for that!). Given the number of events you want to simulate is huge, I believe you need to use double anyway to avoid the truncation errors.
Hope this helps,
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