On Tue, 2011-07-26 at 14:58 -0400, Michael Mol wrote: > On Tue, Jul 26, 2011 at 4:36 PM, Alokat <mail...@alokat.org> wrote: > > Hi folks, > > > > I'm wondering what kind of cpu-type I should use? > > > > cat /proc/cpuinfo > [snip] > > model name : Intel(R) Core(TM)2 Duo CPU L7100 @ 1.20GHz > > [snip] > > .............. > > > > After a short research on this website: > > http://gcc.gnu.org/onlinedocs/gcc-4.6.1/gcc/i386-and-x86_002d64-Options.html#i386-and-x86_002d64-Options > > > > I guess core2 is the right one? > > Is that true? > > That should work fine. Or 'native', if you don't plan on playing with distcc. >
moriah tuxonice-2.6.39 # gcc -Q --help=target -march=core2 >a moriah tuxonice-2.6.39 # gcc -Q --help=target -march=native >b moriah tuxonice-2.6.39 # diff a b 23c23 < -mcx16 [disabled] --- > -mcx16 [enabled] 56c56 < -msahf [disabled] --- > -msahf [enabled] 74c74 < -mtune= --- > -mtune= core2 moriah tuxonice-2.6.39 # I am now using core2 as I was having some really odd problems after mixing flags after multiple hardware changes along with native. Core2 is recommended for this processor, and I cant see the two flags changed via native making a difference, but the previous processors is no longer available to check. Perhaps someone could do the above and send me the result (the full "gcc -Q --help=target -march=native", using gcc-4.5) for an intel E4600? (the list probably wont be interested!) BillK
