On Wed, 2003-03-19 at 17:17, Tom Brinkman wrote: > On Wednesday March 19 2003 10:23 am, Per Øyvind Karlsen wrote: > > why are everyone so obsessed about "optimizing" their packages? in > > most cases it only gives marginal perfomance increase and often > > introduces weird bugs and performance penalties.. > > > > here's a little example: > > http://www.mandrakeforum.org/article.php?sid=2472〈=en > > That's been my experience. The only 'speed' benefit compiling > for athlon is pyshcological ;) Building for i686 Intel proccessors > can actually be a step backwards.
The original examples cited were entirely valid, though. Video encoding tools like mjpegtools and transcode will get a significant speed boost with architecture specific compilation, because they certainly can gain from extended instruction sets. -- adamw
