Project

General

Profile

GQLink improvements » History » Version 1

Version 1/9 - Next » - Current version
Lucio Santi, 04/21/2017 11:07 AM


GQLink improvements: profiling & statistics

  • CMS application features:
    • Full detector geometry
    • Volume base magnetic field
    • epsMin = dQRel = 1e-5
    • Geant4 v10.03.p01
2000 events, 10 GeV pi-
After improvements Before improvements
Simulation time 1973.72 seconds (1701.54 seconds in G4; 16% slower) 2109.13 seconds (1701.54 seconds in G4; 24% slower)
Geant4 steps 29899541 29234603
Steps w/safety=0 20305715 (67.91%) 19414230 (66.41%)
Steps w/safety!=0 9593826 (32.09%) 9820373 (33.59%)
QSS substeps 77604560 (Avg: 2.60 per G4 step) 106999742 (avg: 3.66 per G4 step)
Volume crossings 2435733 (8.15%) 2482502 (8.49%)
Reinits 12176648 (40.73%) 12459358 (42.62%)