yade-users team mailing list archive

[Klaus Thoeni <klaus.thoeni@xxxxxxxxx>]

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