POVray, beowulf, etc.
srihari at mpi-softtech.com
Fri Oct 17 15:34:42 EDT 2003
Not sure if you came across the parallel ray tracer application
written using MPI. This does real-time rendering.
Jim Lux wrote:
> I'm aware of some MPI-aware POVray stuff, but is there anything out
> there that can facilitate something where you want to render a sequence
> of frames (using, e.g., POVray), one frame to a processor, then gather
> the images back to a head node for display, in quasi-real time.
> For instance, say you had a image that takes 1 second to render, and you
> had 30 processors free to do the rendering. Assuming you set everything
> up ahead of time, it should be possible to set all the processors
> spinning, and feeding the rendered images back to a central point where
> they can be displayed as an animation at 30 fps (with a latency of 1
> Obviously, the other approach is to have each processor render a part of
> the image, and assemble them all, but it seems that this might actually
> be slower overall, because you've got the image assembling time added.
> I'm looking for a way to do some real-time visualization of modeling
> results as opposed to a batch oriented "render farm", so it's the
> pipeline to gather the rendered images from the nodes to the display
> node that I'm interested in. I suppose one could write a little MPI
> program that gathers the images up as bitmaps and feeds them to a
> window, but, if someone has already solved this in a reasonably facile
> and elegant way, why not use it.
> James Lux, P.E.
> Spacecraft Telecommunications Section
> Jet Propulsion Laboratory, Mail Stop 161-213
> 4800 Oak Grove Drive
> Pasadena CA 91109
> tel: (818)354-2075
> fax: (818)393-6875
> Beowulf mailing list, Beowulf at beowulf.org
> To change your subscription (digest mode or unsubscribe) visit
Beowulf mailing list, Beowulf at beowulf.org
To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
More information about the Beowulf