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

Re: EM64T server kernel architecture - ia32e or x86_64?



On Fri, 2004-12-17 at 08:09 +0100, Jay Turner wrote:
> On Fri, Dec 17, 2004 at 11:25:38AM +1100, Guy Waugh wrote:
> > I guess this raises the question 'what is the difference between the 
> > [non-SMP] ia32e kernel and the [SMP] x86_64 kernel'?

>   So, for RHEL3, I would stich with the ia32e kernel, as it has
> optimizations which are specific to the ia32e processor.  Starting with
> RHEL4, those optimizations have been integrated into the x86_64 kernel and
> you'll again have a choice of UP or SMP kernels.


actually it's the other way around... the x86-64 kernel had
optimizations that don't work on the em64t cpus so we had to add a
second kernel without those optimizations..

Attachment: signature.asc
Description: This is a digitally signed message part


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