Geometry parallel sessions

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Presentation transcript:

Geometry parallel sessions Monday & Thursday

Geometry / tracking performance Performance penalties introduced by tracking in magnetic-field CMS setup, performance study by P.Arce Tracking performance (field free) better than GEANT3 25% of total time penalty due to transportation in field Need to measure achieved accuracy in Geant3 and Geant4 TODOs To study effect of using different steppers Repeat tests on Solaris architecture Code review Create dedicated system test for magnetic field with variable setup (geometry/stepper) Development: use of safety in G4propagationInField and G4ChordFinder

Geometry development/requirements GDML binding (XML, STEP) Field performance Extension of reflection for parameterised volumes Implementation of divisions in Geant4 Testing on tolerances for spherical and cylindrical surfaces (G4Sphere)