Newsgroups: comp.graphics.rendering.raytracing,comp.parallel.pvm From: Mike Mitchell Reply-To: mitchelm@engin1.chchp.ac.nz Subject: Re: PVM PoV-Ray speed Organization: Christchurch Polytechnic Date: Mon, 21 Jul 1997 10:28:41 -0700 Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <33D39C49.6E9B@engin1.chchp.ac.nz> Thomas Molesworth wrote: > > Has anyone had any experience running PVM PoV-Ray on x86 based systems? I > am running it on a network of 3 Linux (=UN*X clone) systems, Pentium-133, > 486dx2-66 and 486dx33, but I find that the speed is slower than rendering on > the single Pentium system. Is this right? > > -- > Thomas Molesworth (thomas@bass.almac.co.uk) Remember that "ray tracing" is a time consuming process in it's self and are for performance got from SGI etc If you want to see speed from your 3d graphics package no matter what it is try shareing the individual frames eg Machine 1 does frames 1 to 25 Machine 2 does frame 26 to 50 Machine 3 does frame 51 to 76 etc etc The overall picture is that you rendering time is scalable eg if it took 1 hour to do a frame and you had 1 machine doing a 30 seound animation (750 frames for PAL 25 fps) it would take 12.5 hours. If you had 5 machines sharing the frame rendering it take around about 2.5 hours. I've used 50 machines to render an animation and wow it's a quick solution. seeya,