Ok, I will try to use another verletDist. Anyway, I think we should not merge the branch before 0.70 release. The current collider is a little slower, but it is tested. We need to think about adding one more collider or replacing by a new one. Do you agree?
Anton On Tue, Oct 18, 2011 at 7:01 PM, Bruno Chareyre <[email protected]> wrote: > Yes, this is expected: the new is better with more threads and also with > more bodies. How many bodies in your simulation? > The fact that you find worst speed for j=1 is annoying though... Until > now I only found new speed at least equal to old, but you found some > cases where new < old. > It makes the choice of moving to the new algorithm difficult, or it > suggests to have two colliding logics but it is uneasy since it also > affects Newton, aabb dispatching, interaction container... > > We need however to consider the tuning of parameters. Maybe the default > values I defined are not good in your case and another optimum can be > found. If you could send me a simplified script I could test. Or for a > simple test, you could just decrease verletDist. The default is 0.9, you > could try the same as in the old algorithm: 0.05, and see what happens. > > Bruno > > On 18/10/11 18:23, Anton Gladky wrote: >> Ok, seems, warnings are gone. >> >> Speed, iter/sec >> -j Old collider New_Collider: >> 1 7.94 6.7 >> 2 13.85 12.89 >> 3 14.83 16.11 >> >> The new collider works better with threads more than 2. >> >> Anton >> >> >> >> >> On Mon, Oct 17, 2011 at 3:57 PM, Bruno Chareyre >> <[email protected]> wrote: >>> Hi Anton, >>> >>> I commited fixes for the collider (branch collide2, r2925) and for cgal >>> feature. I don't find any problem when removing bodies now, but let you >>> try with your scripts. >>> Now, all interactions should be removed correctly after deleting bodies. >>> >>> Bruno >>> >> _______________________________________________ >> Mailing list: https://launchpad.net/~yade-dev >> Post to : [email protected] >> Unsubscribe : https://launchpad.net/~yade-dev >> More help : https://help.launchpad.net/ListHelp >> > > > -- > _______________ > Bruno Chareyre > Associate Professor > ENSE³ - Grenoble INP > 11, rue des Mathématiques > BP 46 > 38402 St Martin d'Hères, France > Tél : +33 4 56 52 86 21 > Fax : +33 4 76 82 70 43 > ________________ > > > _______________________________________________ > Mailing list: https://launchpad.net/~yade-dev > Post to : [email protected] > Unsubscribe : https://launchpad.net/~yade-dev > More help : https://help.launchpad.net/ListHelp > _______________________________________________ Mailing list: https://launchpad.net/~yade-dev Post to : [email protected] Unsubscribe : https://launchpad.net/~yade-dev More help : https://help.launchpad.net/ListHelp
