what cflag/march to use for intel core duo l2400?
Tim Prince
timothyprince@sbcglobal.net
Fri Jun 9 01:49:00 GMT 2006
George Nychis wrote:
>
>
> I'd prefer sticking to gcc-4.1
>
> So, this person has a pentium m, and /proc/cpu info says his processor
> belongs to family 6... as you can see, mine also belongs to family 6...
> so even though the wiki stages march=prescott, what do you guys think?
>
-march=pentium-m prefers x87 over sse scalar code, because pentium-m can
decode sse at only half the rate of x87. You should see the speed
advantage clearly on pentium-m, presumably not on Core Duo.
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