Hi, some days ago I asked for a good program to demonstrate the power of beowulf clusters. Now i've tried mpi-povray. http://www.verrall.demon.co.uk/mpipov/ I compiled mpi-povray on a cluster of Sun workstations (3 single-cpu- machines and 3 dual-cpu-smp-machines) with lam 6.3.2 and gcc and on a Linux cluster (144 Pentium III) with lam 6.5.1 and gcc. mpi-povray is fine but there are some little problems: * mpi-povray divides the picture in sub pictures. If there are more mpi processes than sub pictures mpi-povray crashes. * If you are really interested in fast rendering ray tracing pictures and not in a public relation show don't use the +D option. Displaying the picture while rendering slows the computation down. * Interpreting the input file (is not parallel) can make a significant part of rendering time. Heiko -- -- Den Namen des Rechtes w�rde man nicht kennen, wenn es das Unrecht -- nicht g�be. (Heraklit, gr. Philosoph, 540-480 v. Chr.) -- Supercomputing in Magdeburg @ http://tina.nat.uni-magdeburg.de -- Heiko Bauke @ http://www.uni-magdeburg.de/bauke -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
