GMP performance leap

Torbjorn Granlund tg at
Thu Mar 22 15:15:04 CET 2012

I reran GMPbench with current head repo sources and got a surprise.
There is a large leap in performance for AMD K10, and nice improvements
for a lot of other CPUs as well, compared to GMP 5.0.

AMD K10 went from 2985 to 3500 with improvements at every measured

The thing is that I am not sure which changes has made such a great
difference.  Anyway, great work by somebody!


The one sad part is that K10 is being discontinued, with Bulldozer as
suggested replacement.  Its score is about 660 per GHz, while K10's is
almost 1100...


More information about the gmp-devel mailing list