On 13:24 Sat 10 Jan , Sean Johnson wrote: > > What size cache would be relevant to this distinction, and is there any other > > factor that makes -O2 preferable to -O3? I have a 600MHz PIII (Coppermine) > > with 256kB cache, and am using CFLAGS="-march=pentium3 -O3 -pipe > > -fomit-frame-pointer". Would I be better off with -O2?
I read some good stuff on optimization in the GMANE archives, and came to the conclusion that -O2 is best in most situations. -- Bill Roberts -- [EMAIL PROTECTED] mailing list
