· maxim wexler <[EMAIL PROTECTED]>: > One suggests using -O3 -pipe, the other, -O2 without > the pipe.
The resulting binaries of a -O2 -pipe compile will be the same as those of a -O2 (no pipe) compile. See http://gcc.gnu.org/onlinedocs/gcc-4.1.2/gcc/Overall-Options.html#index-pipe-81 > How much difference does this make? Is the extra level > of optimization with pipe the equivalent of the lower > level without? There's no extra level of optimization. So the question boils down to: Is -O3 better than -O2? Answer: Depends. On a system with not that much cache, it might not be. Alexander Skwar -- BOFH Excuse #16: somebody was calculating pi on the server -- [email protected] mailing list
