On Tue, 20 Jul 2010 18:25:39 +0200 Paul Zimmermann <paul.zimmerm...@loria.fr> wrote:
> > I'm pleased to announce that AMD (1) donated two 12-cores > > Magny-Cours processors running at 1.5 GHz... > > /proc/cpuinfo says only 800Mhz, as says GMP's speed: > > zimme...@gcc10:~/gmp-5.0.1/tune$ ./speed -s 1000000 mpn_mul > overhead 0.000000008 secs, precision 10000 units of 1.25e-09 secs, > CPU freq 800.00 MHz mpn_mul > 1000000 1.432090000 > > Also the web page says "2x12x1.9 GHz". Which one is correct? I think frequency scaling is on, if you do a 'cat /proc/cpuinfo|grep MHz' you'll see some cores at 1500, some at 800. make -j12 is definitely fast on this box, I don't think its 800 Mhz all the time. Best regards, --Edwin _______________________________________________ Gcc-cfarm-users mailing list Gcc-cfarm-users@gna.org https://mail.gna.org/listinfo/gcc-cfarm-users
