On Sat, Jan 09, 2010 at 09:09:12AM -0000, darren wrote: > I know other people have asked this previously but I don't think it ever > got answered, I am guessing for our purposes the PCI-E slot speed is > pretty irrelevant so the fact that the slot I can but a 2nd GTX 275 GPU > into is only 2x would make have no impact on performance for use with > CUDA number crunching ? > > > > Has anyone done this and if so what sort of figures are you getting > generating tables using 2x GPUs on 2 separate PCI-E slots to generate a > single table, as opposed to generating 2 tables concurrently. >
host<->device transfer is pretty low bandwidth. You can compute on 8 GPUs with 8 times the performance. Computation of a single vs multiple tables makes no difference. _______________________________________________ A51 mailing list [email protected] http://lists.lists.reflextor.com/cgi-bin/mailman/listinfo/a51
