Re: re:-O2 or -O3 ?
brian white writes ("Re: re:-O2 or -O3 ? "):
> Note that "-O2" is the highest form of optimization that does not trade
> off space for speed. Since Linux is sometimes run on machines with very
> tight memory/disk constraints, then trading off significant space (>20%)
> for insignificant speed (<10%) is, IMO, not worth it. Measuring speed
> improvement is, unfortunately, much more difficult than measuring program
Does anyone disagree with Brian White ? If not I'll change the
guidelines back to recommending -O2.