>> (Don't use Newton::gravity though, it breaks something in your >> script and I'm still investigating). > It is not related to the new Newton::gravity, it only revealed another > bug in eigen's quaternions. > In your script, Klaus, the clump sometimes disappear, did you notice? It > is because the axisAngle conversion of clump members orientation is nan > from time to time Actually, no... The nan quaternions break the display but they seem to be harmless. The problem was https://bugs.launchpad.net/yade/+bug/923929 It is fixed in bzr3009. Below is what I get with your 02_net-wall_par.py script Klaus (-j2, default collider setting, for 3009 this is without gravity engine). The speedup is only 25%. As said before, it can't be much better since the collider takes only 14% of total time initially. Still, all engines are a bit faster. :)
Bruno bzr2999 Name Count Time Rel. time ------------------------------------------------------------------------------------------------------- ForceResetter 20050 7068191us 3.38% InsertionSortCollider 1855 29429129us 14.06% InteractionLoop 20050 92135400us 44.03% "gravity" 20050 23556447us 11.26% "newton" 20050 57063846us 27.27% TOTAL 209253016us 100.00% bzr3009 Name Count Time Rel. time ------------------------------------------------------------------------------------------------------- ForceResetter 20050 7087997us 4.68% InsertionSortCollider 634 11046290us 7.29% InteractionLoop 20050 80287582us 52.98% "newton" 20050 53130390us 35.06% TOTAL 151552261us 100.00%
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