> I have a GTX240; can anyone tell me how to find out the size of shared memory? Try the command 'ipcs -mb'. If you need to do it from a C program, look at the man page for shmctl(2) (use command IPC_STAT). Martin Liversage <operator at iris.kth.dk> Royal Dental College Copenhagen Department of Pediatric Dentistry Norre Alle 20 DK-2200 Kobenhavn N