Re: Choosing a HyperThreading/SMP/MultiCore kernel ?

2007-01-19 Thread Sunil Naidu
On 1/13/07, Lennart Sorensen <[EMAIL PROTECTED]> wrote: On Fri, Jan 12, 2007 at 10:38:43PM -0500, [EMAIL PROTECTED] wrote: > amd64 will only work on a core2duo if it's a T7200 or higher - the > lower numbers are 32-bit-only chipsets. I admit not knowing what > exact variant the Mac has. 2.33GH

Re: Choosing a HyperThreading/SMP/MultiCore kernel ?

2007-01-14 Thread Bill Davidsen
[EMAIL PROTECTED] wrote: On Sat, 13 Jan 2007 15:18:31 EST, Bill Davidsen said: [EMAIL PROTECTED] wrote: On Fri, 12 Jan 2007 10:03:49 EST, Lennart Sorensen said: I would expect any distribution should work on these (as long as the kernel they use isn't too old.). Of course if it is a Mac, you

Re: Choosing a HyperThreading/SMP/MultiCore kernel ?

2007-01-13 Thread Valdis . Kletnieks
On Sat, 13 Jan 2007 12:54:43 EST, Lennart Sorensen said: > On Fri, Jan 12, 2007 at 10:38:43PM -0500, [EMAIL PROTECTED] wrote: > > CONFIG_MCORE2=y > > Oh good. Makes life much simpler for users. After writing that, I actually went back and *checked* the fine print. It turns out that unless you ha

Re: Choosing a HyperThreading/SMP/MultiCore kernel ?

2007-01-13 Thread Valdis . Kletnieks
On Sat, 13 Jan 2007 15:18:31 EST, Bill Davidsen said: > [EMAIL PROTECTED] wrote: > > On Fri, 12 Jan 2007 10:03:49 EST, Lennart Sorensen said: > >> I would expect any distribution should work on these (as long as the > >> kernel they use isn't too old.). Of course if it is a Mac, you need a > >> di

Re: Choosing a HyperThreading/SMP/MultiCore kernel ?

2007-01-13 Thread Bill Davidsen
[EMAIL PROTECTED] wrote: On Fri, 12 Jan 2007 10:03:49 EST, Lennart Sorensen said: I would expect any distribution should work on these (as long as the kernel they use isn't too old.). Of course if it is a Mac, you need a distribution that supports their firmware (which is of course not a PC bio

Re: Choosing a HyperThreading/SMP/MultiCore kernel ?

2007-01-13 Thread Lennart Sorensen
On Fri, Jan 12, 2007 at 10:38:43PM -0500, [EMAIL PROTECTED] wrote: > amd64 will only work on a core2duo if it's a T7200 or higher - the > lower numbers are 32-bit-only chipsets. I admit not knowing what > exact variant the Mac has. The Core Duo had 32bit only (being a Pentium M), but the Core 2 D

Re: Choosing a HyperThreading/SMP/MultiCore kernel ?

2007-01-13 Thread Stefan Richter
On 1/13/2007 4:38 AM, [EMAIL PROTECTED] wrote: > On Fri, 12 Jan 2007 10:03:49 EST, Lennart Sorensen said: >> I believe the closest optimization for a Core2 is probably the Pentium M >> (certainly not the P4/netburst). Not entirely sure though. > > CONFIG_MCORE2=y > > That's probably even closer

Re: Choosing a HyperThreading/SMP/MultiCore kernel ?

2007-01-12 Thread Valdis . Kletnieks
On Fri, 12 Jan 2007 10:03:49 EST, Lennart Sorensen said: > > I would expect any distribution should work on these (as long as the > kernel they use isn't too old.). Of course if it is a Mac, you need a > distribution that supports their firmware (which is of course not a PC > bios). As long as yo

Re: Choosing a HyperThreading/SMP/MultiCore kernel ?

2007-01-12 Thread Paul Jackson
> Trying to understand, should I set CPUSETS=y You don't need CPUSETS for this small a system. But setting it is harmless - for example at least one major commercial distribution enables CPUSETS on almost all their product, most of which is running on PC's less powerful than yours. CPUSETS provi

Re: Choosing a HyperThreading/SMP/MultiCore kernel ?

2007-01-12 Thread Sunil Naidu
On 1/12/07, Lennart Sorensen <[EMAIL PROTECTED]> wrote: I would expect any distribution should work on these (as long as the kernel they use isn't too old.). Of course if it is a Mac, you need a distribution that supports their firmware (which is of course not a PC bios). As long as you can bo

Re: Choosing a HyperThreading/SMP/MultiCore kernel ?

2007-01-12 Thread Lennart Sorensen
On Fri, Jan 12, 2007 at 06:55:32PM +0530, Sunil Naidu wrote: > There are 2 cases:- > > #1 Intel Pentium 4 Workstation with HyperThreading > > Since kernel takes HT as 2 processors, I did say in KConfig as: > > CONFIG_SMP= y > CONFIG_NR_CPUS=2 > CONFIG_SCHED_MC=not set > CONFIG_MPENTIUM4=y (Or sh

Choosing a HyperThreading/SMP/MultiCore kernel ?

2007-01-12 Thread Sunil Naidu
Hello All, There are 2 cases:- #1 Intel Pentium 4 Workstation with HyperThreading Since kernel takes HT as 2 processors, I did say in KConfig as: CONFIG_SMP= y CONFIG_NR_CPUS=2 CONFIG_SCHED_MC=not set CONFIG_MPENTIUM4=y (Or should I say CONFIG_X86_PC=y) CONFIG_SCHED_SMT=y CONFIG_SCHED_MC=not s