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goord / Camgen

A generic tree-level particle scattering Monte Carlo generator using recursive amplitude evaluation
GNU General Public License v2.0
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Adaptive grid segmentation error #20

Open goord opened 11 years ago

goord commented 11 years ago

After many events, the parni grids tend to cause segmentation faults, most likely due to rounding errors after many iterations; create a program reproducing this issue (in a tractable amount of time) and fix the bug.

Paraseus commented 11 years ago

I managed to make the segfault reproducible within a few events for a SM mu-,nu_mubar > e-,nu_ebar process at 14 TeV. It happens exactly at the same point each time (because I use the same random seed). I did a valgrind trace, but it does not seem to like being copied here (due to parsing messing it up).