Author: Robert Hyatt
Date: 20:54:07 06/19/01
Go up one level in this thread
On June 19, 2001 at 08:46:50, Gian-Carlo Pascutto wrote: >On June 19, 2001 at 08:41:10, Dieter Buerssner wrote: > >>On June 19, 2001 at 05:43:00, Gian-Carlo Pascutto wrote: >> >>>On June 18, 2001 at 21:07:19, Slater Wold wrote: >>> >>>>These tests were run on a Dual Pentium III 1,000mhz, 1028MB RAM. >> ^^^^ >>[...] >>>BTW. Your comparisation is horribly broken. If you bench you should >>>get the EXACT SAME nodecount for all versions. >> >>I think, this is not true for SMP programs. > >Yikes I missed that. > >This doesn't change the fact that the comparisation doesn't work >if they are searching different trees. > >-- >GCP The way to run the benchmark here is to use _one_ cpu. Then, if the 2cpu number is wanted, that can be calculated by running the two cpu test and dividing the two times. But don't use SMP times to compare two different programs, or two different compilers, because the SMP stuff itself adds enough variability to make things look odd...
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