Re: kernel optimization

[Adrian Bunk <bunk@stusta.de>]

On Tue, Jul 26, 2005 at 08:22:59AM +0300, Al Boldi wrote:
> Dr. Horst H. von Brand wrote: {
> Al Boldi <a1426z@gawab.com> wrote:
> >  Adrian Bunk wrote: {
> > On Fri, Jul 22, 2005 at 07:55:48PM +0100, christos gentsis wrote:
> > > i would like to ask if it possible to change the optimization of the 
> > > kernel from -O2 to -O3 :D, how can i do that? if i change it to the 
> > > top level Makefile does it change to all the Makefiles?
> > And since it's larger, it's also slower.
> > }
> 
> > It's faster but it's flawed.  Root-NFS boot failed!
> 
> How do you know that it is faster if it is busted?
> }
> 
> The -O3 compile produces a faster kernel, which seems to work perfectly,
> albeit the Root-NFS boot flaw!

How did you measure that you that your -O3 kernel isn't slower?

> Al

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed