> -----Original Message----- > [mailto:[EMAIL PROTECTED] On Behalf Of Håkon Bugge > While I did the SPEC MPI 2007 for the Barcelona, I got the > following projections (8 nodes, 8 cores per node) for > SPECmpiM_base2007: > * PathScale 3.0, -march=core: 5.53 > * PathScale 3.0, -march=opteron -msse3: 5.32 > * PGI 7.0-7, -tp barcelona-64 + lots of fancy switches: 4.71 > * PGI 7.0-7, -tp barcelona-64 -nomovnt -fast: 4.75 I > didn't have much time to play with compiler options. It was > interesting to see that the "wrong" architecture was better > using the PathScale compiler. Further, PathScale was > significant better than PGI 7.0-7, even though PGI had > support for the "right" architecture.
PathScale 3.1 is now available and has a -mtune/-march=barcelona flag. So the results for Barcelona should now be improved. -Tom < My employer, QLogic, no longer has an association with the PathScale compiler > > > The switches used for the PathScale compiler can be found at > the SPEC web, http://www.spec.org/mpi2007/results/res2007q4/ > > The final rate (5.61) was better, due improved memory > bandwidth (due to a better BIOS). > > > > Hakon > > > _______________________________________________ > Beowulf mailing list, Beowulf@beowulf.org > To change your subscription (digest mode or unsubscribe) > visit http://www.beowulf.org/mailman/listinfo/beowulf > > _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
