[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: On linux kernel packaging issue



> #include <hallo.h>
>
> * Nikita V. Youshchenko [Sat, Nov 08 2003, 12:39:58PM]:
> > Optimization is a serious issue too. Unlike most user space software,
> > using 386 kernel on modern PC will cause serious performance loose.
> > Especially if you consider mmx/sse/... and SMP issues. Note also that
> > not all drivers are compatible with SMP, etc.
>
> Except of SMP, how exactly does optimisation of the KERNEL CODE help
> you? Your filesystem driver may become 2-3% faster, but the disk won't
> speed up at all, haha.

Have you ever tried to compare preprocessesd files from kernel/ and arch/
i386/kernel/ when compiling for 386 and for Athlon?
If not, try to.
They do differ.
Cpu-specific task management, IRQ processing, cache alignment, etc is 
being used on higher processors.



Reply to: