Re: [simspark-devel] Joint feedback with multithreaded ODE

[Sander v. D. <sgv...@gm...>]

Hi Hedayat,

I think I have been using this for a long time now and haven't had
problems. I will double check tomorrow whether I really have (forgot
about this a bit as we have not used the joint feedback since last
year) and I'll let you know.

Sander

On Wed, Apr 18, 2012 at 9:04 PM, Hedayat Vatankhah <hed...@gm...> wrote:
> Hi Sander,
>
> Any updates on this issue? And what is the latest status? Do you still need
> some testing?
>
> We are going to have a new release soon, so it should work fine with
> multi-threaded ode.
>
> Regards,
>
> Hedayat
>
>
> Sander van Dijk <sgv...@gm...> wrote on Mon, 25 Jul 2011 20:56:32
> +0100:
>
> Hello fellow developers,
>
> As I mentioned on the 3D mailing list, requesting joint feedback (which for
> instance can be used to determine energy consumption) currently creates
> instability when using multithreaded ODE. I have had a look at it, and
> believe that with the attached file this should now work correctly. Before
> going further, I'd like to ask you to give it a test. Replace
> ode/src/step.cc with this file in the ode-0.11.1-tbb source directory,
> remake and install ODE and remake and install spark. I have enabled joint
> feedback in the SVN trunk, so perform an update of that first. If you need
> to (re)configure ODE, make sure to use the --enable-malloc flag.
>
> It didn't work if you get agents exploding all over the place (with a large
> number of agents, it won't happen with just 1). Please let me know. I will
> then also make a SF project to maintain it.
>
> Sander
>
>
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> Department of Computer Science
> University of Hertfordshire
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>
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-- 
Adaptive Systems Research Group
Department of Computer Science
University of Hertfordshire
United Kingdom