[Bf-committers] Some news from the iTaSC IK project

[joe]

Awesome!  This looks like it'll be great for rigging.

Joe

On Fri, Jul 31, 2009 at 9:55 AM, Benoit Bolsee<benoit.bolsee at online.be> wrote:
> Hi,
>
> I received from the KUL a nice robot model and I tested it with the
> iTaSC inverse kinematics algorithm. You can see the result here:
> http://vimeo.com/5857397
>
> It allowed me to test the performance of iTaSC compared to the old
> solver. The difference is amazing!
> iTaSC is able to operate this robot in real time at 25 fps using 10% of
> one CPU core (E8400 @ 3GHz). This percentage does not include the time
> spent on graphic (4%). In this test iTaSC computes 100 iterations per
> second.
>
> The exact same test but using the old solver uses 99% of one CPU core
> and runs at 4.4fps. This means that iTaSC is about 56 times faster than
> the old solver and produces much more coherent results. This is without
> SSE optimization (significant performance gain can be expected from
> Eigen2 template library when SSE optimizations are enabled).
>
> When I enable the auto step algorithm, the performance doubles but the
> movements are slightly less stable.
>
> The iTaSC algorithm is available in the itasc branch and tests builds
> are available at graphicall.org
>
> /benoit
>
> _______________________________________________
> Bf-committers mailing list
> Bf-committers at blender.org
> http://lists.blender.org/mailman/listinfo/bf-committers
>