Search found 3 matches

by LeeHowes
Thu Jan 12, 2012 7:34 pm
Forum: General Bullet Physics Support and Feedback
Topic: Bullet source code question (OpenCL)
Replies: 3
Views: 2716

Re: Bullet source code question (OpenCL)

That would depend on the cache architecture. That algorithm was written for Pre-Fermi/Southern Islands class GPUs with more limited caching than we have now. A lot of those architectures have very severe performance issues with uncoalesced access. In general for vector architecture's it's worth thin...
by LeeHowes
Thu Jan 12, 2012 6:02 pm
Forum: General Bullet Physics Support and Feedback
Topic: Bullet source code question (OpenCL)
Replies: 3
Views: 2716

Re: Bullet source code question (OpenCL)

Hi Genscher, That memory layout transformation is standard practice for data parallel execution and vector machines, of which the GPU is an example. Remember that the way the GPU works is that you have some set of wide SIMD threads - each of those SIMD threads contains many work items which access d...
by LeeHowes
Mon Sep 27, 2010 3:31 pm
Forum: Release Announcements
Topic: Bullet 2.77 is released! OpenCL & DX11 cloth, 3ds Max plugin
Replies: 8
Views: 64550

Re: Bullet 2.77 is released! OpenCL & DX11 cloth, 3ds Max pl

2. Are rigid bodies collisions accelerated throught OpenCL? Or it's just cloth simulation? No. This is just very early work that we wanted to get into the tree quickly for various reasons and to see what changes we'd need to make within the bullet code to cleanly integrate accelerated computation e...