On Mittwoch, 18. Juli 2007, Daniel da Veiga wrote: > On 7/18/07, Alex Schuster <[EMAIL PROTECTED]> wrote: > > Another method, which I would use, would be to change your CFLAGS to what > > you would like for the new processor, but use mtune= instead of march=. > > This will also optimize for the cpu, but the code will run on any x86 > > CPU. emerge world --emptytree to re-compile everything, then switch your > > hardware. This will give you flexibility, at the cost of lesser > > optimization. Depends on how you use your system, most applications will > > not show a noticeable speed ddifference I guess. > > You could also change to march= later, when the system ist up, and > > re-compile everything again to get full optimization. > > Oh, that's good to know, I guess that's the best option, since after > the system is up and running I can do whatever optimizations it needs, > as long as I'm able to boot and work with it in the new hardware. > > Tonight I'll start the (long and boring) process of recompiling the > whole stuff with "-mtune" instead of "-march". > > Thanks to all that replied so far... Maybe more suggestions comming?!
instead of two emerge --emptytree it would be faster to just nuke the installation.... -- [EMAIL PROTECTED] mailing list
