[olug] Kernel Compilation

Jason Ferguson jferguson3 at home.com
Sat Dec 30 18:53:36 UTC 2000


Ooooo, that was nice.  I slapped that one into my .bash_profile.  Gave me a
MASSIVE decrease in compilation time for the sane package. However, since I
have a 2 processor system, shouldnt I do 'make -j 2'?

Jason


Vincent Raffensberger wrote:

> >From what I've seen, a little optimization for make gives a huge
> improvement (especially for smp).  Try this before you start compiling:
>
> alias make='make -j 4'
>
> I've used the "-03" option for egcs before, which should help, but I'm
> never in that much of a hurry.  "info egcs" will show you all the
> optimizations.  You could also recompile egcs, since it's probably just
> a i386 optimized binary from installation.
>
> Jason Ferguson wrote:
> >
> > Okay, yes, I do know how to compile a kernel, thank you very much. :)
> >
> > However, my question: is it possible or even advisable to use processor
> > optimizations when compiling a kernel?
> >
> > I ask this because, frankly, Im one of those geeks who likes to wring
> > the last ergs of performance out of my machine.  If I have a P3
> > processor, why shouldnt my stuff be optimizaed for it (even if I only
> > gain 10% or so?).
> >
> > What do you guys think?
> >
> > Jason
> >
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