On Saturday 28 June 2008, Li, Bo wrote: > Hello, > Sorry, I don't have the same applications as you. > Did you compile them with gcc? If gcc, then -o3 can do some optimization. > -march=k8 is enough I think.
As Mikhail wrote in his first mail, he uses binaries from Gaussian Inc. Can gfortran in the mean time compile gaussian? Even if it can, it might be a problem for publications, since the only officially supported compiler is pgf77. Mikhail, do you have the source at all? Due to the different cache model of the barcelona a recompilation might really help. > And you make sure the CPU running at the default frequency. Sometime Yeah, can you check the scaling governor isn't set to ondemand or conservative? Cheers, Bernd _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
