yade-dev team mailing list archive

[Klaus Thoeni <Klaus.Thoeni@xxxxxxxxxxxxxxxx>]

Yes, it is listed. You have just to to change Branches with status: Any 
status. That's how I found out that there are 2 collide branches.

Klaus

On Wed, 28 Sep 2011 06:01:29 pm Bruno Chareyre wrote:
> Ok thanks. It explains.
> 
> lp:~bruno-chareyre/yade/collide2 contains further improvements (and code
> cleaning) as compared to lp:~bruno-chareyre/yade/collide, which was
> already faster than trunk. But before yesterday, collide2 was simply trunk.
> 
> collide without the "2" should not exist actually, it's not listed here
> for instance: https://code.launchpad.net/yade
> I'm surprised that you could download it.
> 
> Bruno
> 
> On 28/09/11 04:49, Klaus Thoeni wrote:
> > Hi Bruno,
> > 
> > I checked out your branch lp:~bruno-chareyre/yade/collide (without 2 at
> > the end as indicated in the bzr co part of your first posting) when I
> > tested it. I just saw now that there is as well a branch
> > lp:~bruno-chareyre/yade/collide2. Probably that's the one to test. This
> > explains why it was working. I will do the tests with this branch now.
> > 
> > So guys if you want to test Bruno's new implementation make sure you
> > check out the right branch:
> > bzr checkout lp:~bruno-chareyre/yade/collide2
> > 
> > Cheers,
> > Klaus
> > 
> > On Tue, 27 Sep 2011 10:43:28 pm Bruno Chareyre wrote:
> >> There was indeed a bug with clumps (fixed), but the thing I don't
> >> understand is the branch did not contain the changes. Bazaar branches
> >> are not quite user-friendly for commits/updates...
> >> Klaus, you probably didn't try the good code (but then how did you spot
> >> the bug? I'm lost...).
> >> Could you send me a copy of the core/bound.hpp you downloaded, just to
> >> be sure?
> >> 
> >> Bruno
> >> 
> >> On 26/09/11 10:37, Bruno Chareyre wrote:
> >>> (moving to yade-dev)
> >>> 
> >>> No guess yet. Thanks for notifying. Which scripts gives the segfault?
> >>> 
> >>> B
> >>> 
> >>> On 26/09/11 07:43, Klaus Thoeni wrote:
> >>>> Hi Bruno,
> >>>> 
> >>>> I tested your implementation with my examples (dynamic problem with
> >>>> about 10000 particles) and the computational time in
> >>>> InsertionSortCollider slightly improved as expected.
> >>>> 
> >>>> However, when running your branch with examples with clumps gives a
> >>>> Segmentation Fault. Any guess?
> >>>> 
> >>>> Klaus
> >>>> 
> >>>> On Tue, 20 Sep 2011 07:29:02 AM Bruno Chareyre wrote:
> >>>>> Hi all,
> >>>>> 
> >>>>> I worked on some optimizations of contact detection recently and I
> >>>>> would like to get feedback from you to detect possible bugs and
> >>>>> confirm the speedup for different applications. If everything is ok,
> >>>>> the changes can be part of the next release after some code cleanup
> >>>>> and documentation.
> >>>>> 
> >>>>> If you have a chance, could you please download and compile the
> >>>>> branch lp:~bruno-chareyre/yade/collide2 (bzr checkout
> >>>>> lp:~bruno-chareyre/yade/collide, cd yade, scons, as usual) and try
> >>>>> this with your own problems?
> >>>>> I would be gratefull if you could report differences in terms of
> >>>>> computation speed.
> >>>>> I don't expect big improvements for small quasistatic problems. The
> >>>>> speedup is more likely to happen on large and/or dynamic problems,
> >>>>> where it should range between x2 and x3, or even more in multithread.
> >>>>> Some results are reported here:
> >>>>> https://yade-dem.org/wiki/Colliders_performace#Improved_InsertionSort
> >>>>> 
> >>>>> Thanks.
> >>>>> 
> >>>>> Bruno

-- 
Dr. Klaus Thoeni - Centre for Geotechnical and Materials Modelling
Civil, Surveying and Environmental Engineering - Engineering Building EA
The University of Newcastle, Callaghan, NSW 2308, Australia
web: http://www.newcastle.edu.au/research-centre/cgmm
phone: +61 (0)2 4921 5118