On Thu, 12 Aug 2004 18:15:30 +0000, Gauthier wrote:

> Hello,
>
> When creating a package for own usage (so it doesn't need to be
> portable), is it interessant to specify a particular architecture with
> the -mcpu=cpu-type and -march=cpu-type of gcc instead of the default
> 386 ?

Probably: yes.

> Is it really a gain in speed,

Between i386 and i686 it /is/ for most things. However behond that: not
much. IME though, i586 as opposed to i486 doesn't generally gain much.

> or other advantage ?

Idunno.

> Thanks in advance,

Well, you might want to use "-O2". And "strip" the generated binaries.
Other then that, some specific programs doing math stuff gain some speed
from setting: MMX, 3D-Now, SSE, or whatever, options.

--
-Menno.