- Original Message -
> From: "Konstantin Belousov"
> To: "Bryan Venteicher"
> Cc: "John Baldwin" , "Peter Jeremy" ,
> freebsd-net@freebsd.org
> Sent: Tuesday, January 15, 2013 4:42:16 AM
> Subject: Re: To SMP or not t
remy"
> >
> > Sent: Monday, January 14, 2013 3:57:58 PM
> > Subject: Re: To SMP or not to SMP
> >
> > On Monday, January 14, 2013 4:07:56 pm Konstantin Belousov wrote:
> > > On Mon, Jan 14, 2013 at 03:07:50PM -0500, John Baldwin wrote:
&g
- Original Message -
> From: "John Baldwin"
> To: freebsd-net@freebsd.org
> Cc: "Konstantin Belousov" , "Bryan Venteicher"
> , "Peter Jeremy"
>
> Sent: Monday, January 14, 2013 3:57:58 PM
> Subject: Re: To SMP or not
"John Baldwin"
> > > > To: freebsd-net@freebsd.org
> > > > Cc: "Barney Cordoba" , "Peter Jeremy"
> > > > Sent: Friday, January 11, 2013 9:39:17 AM
> > > > Subject: Re: To SMP or not to SMP
> > > &g
rney Cordoba" , "Peter Jeremy"
> > >
> > > Sent: Friday, January 11, 2013 9:39:17 AM
> > > Subject: Re: To SMP or not to SMP
> > >
> > > On Thursday, January 10, 2013 02:36:59 PM Peter Jeremy wrote:
> > > > On 2013-Jan-
On Sunday, January 13, 2013 1:15:13 am Bryan Venteicher wrote:
>
> - Original Message -
> > From: "John Baldwin"
> > To: freebsd-net@freebsd.org
> > Cc: "Barney Cordoba" , "Peter Jeremy"
> >
> > Sent: Friday, January 11,
- Original Message -
> From: "John Baldwin"
> To: freebsd-net@freebsd.org
> Cc: "Barney Cordoba" , "Peter Jeremy"
>
> Sent: Friday, January 11, 2013 9:39:17 AM
> Subject: Re: To SMP or not to SMP
>
> On Thursday, January 10, 2013
On Thursday, January 10, 2013 02:36:59 PM Peter Jeremy wrote:
> On 2013-Jan-07 18:25:58 -0800, Barney Cordoba
wrote:
> >I have a situation where I have to run 9.1 on an old single core
> >box. Does anyone have a handle on whether it's better to build a non
> >SMP kernel or to just use a standard
; > From: sth...@nethelp.no
> > > > Subject: Re: To SMP or not to SMP
> > > > To: erichsfreebsdl...@alogt.com
> > > > Cc: barney_cord...@yahoo.com, freebsd-net@freebsd.org,
> >
> > jack.vo...@gmail.com, atkin...@gmail.com
> >
> > >
On 2013-Jan-07 18:25:58 -0800, Barney Cordoba wrote:
>I have a situation where I have to run 9.1 on an old single core
>box. Does anyone have a handle on whether it's better to build a non
>SMP kernel or to just use a standard SMP build with just the one
>core?
Another input for this decision is
--- On Wed, 1/9/13, Barney Cordoba wrote:
> From: Barney Cordoba
> Subject: Re: To SMP or not to SMP
> To: "Mark Atkinson"
> Cc: freebsd-net@freebsd.org
> Date: Wednesday, January 9, 2013, 1:08 PM
>
>
> --- On Tue, 1/8/13, Mark Atkinson
> wrote:
>
Hi,
On Wed, 9 Jan 2013 16:25:41 -0800
Michael Sierchio wrote:
> On Wed, Jan 9, 2013 at 4:18 PM, Erich Dollansky
> wrote:
>
> > SMP goes into the applications. A single-CPU kernel must still run
> > these kind of applications.
>
> Applications may be multithreaded - and on a host with more tha
On Wed, Jan 9, 2013 at 4:18 PM, Erich Dollansky
wrote:
> SMP goes into the applications. A single-CPU kernel must still run
> these kind of applications.
Applications may be multithreaded - and on a host with more than one
(real or virtual) CPU, those threads may run concurrently. De quoi
s'agi
Hi,
On Wed, 9 Jan 2013 06:35:33 -0800 (PST)
Barney Cordoba wrote:
>
> This explanation defies the possibility of a GENERIC kernel, which
> of course is an important element of a GPOS. Its too bad that smp
> support can't be done with logic rather than a kernel option.
>
it seems to me that y
On Wed, Jan 09, 2013 at 03:54:43PM -0500, John Baldwin wrote:
> On Wednesday, January 09, 2013 10:00:31 am Barney Cordoba wrote:
> >
> > --- On Wed, 1/9/13, sth...@nethelp.no wrote:
> >
> > > From: sth...@nethelp.no
> > > Subject: Re: To SMP or not to SM
On Wednesday, January 09, 2013 10:00:31 am Barney Cordoba wrote:
>
> --- On Wed, 1/9/13, sth...@nethelp.no wrote:
>
> > From: sth...@nethelp.no
> > Subject: Re: To SMP or not to SMP
> > To: erichsfreebsdl...@alogt.com
> > Cc: barney_cord...@yahoo.com,
--- On Tue, 1/8/13, Mark Atkinson wrote:
> From: Mark Atkinson
> Subject: Re: To SMP or not to SMP
> To: freebsd-net@freebsd.org
> Date: Tuesday, January 8, 2013, 11:29 AM
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA1
>
> On 01/07/2013 18:25, Barney Cordoba wrote
--- On Wed, 1/9/13, sth...@nethelp.no wrote:
> From: sth...@nethelp.no
> Subject: Re: To SMP or not to SMP
> To: erichsfreebsdl...@alogt.com
> Cc: barney_cord...@yahoo.com, freebsd-net@freebsd.org, jack.vo...@gmail.com,
> atkin...@gmail.com
> Date: Wednesday, Januar
> > 4BSD runs pretty well with an SMP kernel. I can test ULE and compare
> > easily. A no SMP kernel is problematic as the igb driver doesn't seem
> > to work and my onboard NICs are, sadly, igb.
> >
> this is bad luck. I know of the kernels as I have had SMP and single
> CPU machines since 4.x t
--- On Wed, 1/9/13, Erich Dollansky wrote:
> From: Erich Dollansky
> Subject: Re: To SMP or not to SMP
> To: "Barney Cordoba"
> Cc: "Mark Atkinson" , freebsd-net@freebsd.org,
> jack.vo...@gmail.com
> Date: Wednesday, January 9, 2013, 9:14 AM
> Hi,
&g
Hi,
On Wed, 9 Jan 2013 05:40:13 -0800 (PST)
Barney Cordoba wrote:
> --- On Wed, 1/9/13, Erich Dollansky
> wrote:
> > From: Erich Dollansky
> > Subject: Re: To SMP or not to SMP
> > To: "Mark Atkinson"
> > Cc: freebsd-net@freebsd.org
> > Da
--- On Wed, 1/9/13, Erich Dollansky wrote:
> From: Erich Dollansky
> Subject: Re: To SMP or not to SMP
> To: "Mark Atkinson"
> Cc: freebsd-net@freebsd.org
> Date: Wednesday, January 9, 2013, 1:01 AM
> Hi,
>
> On Tue, 08 Jan 2013 08:29:51 -0800
> Mark Atk
Hi,
On Tue, 08 Jan 2013 08:29:51 -0800
Mark Atkinson wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA1
>
> On 01/07/2013 18:25, Barney Cordoba wrote:
> > I have a situation where I have to run 9.1 on an old single core
> > box. Does anyone have a handle on whether it's better to build a
--- On Tue, 1/8/13, Ian Smith wrote:
> From: Ian Smith
> Subject: Re: To SMP or not to SMP
> To: "Garrett Cooper"
> Cc: "Barney Cordoba" , "Erich Dollansky"
> , freebsd-net@freebsd.org
> Date: Tuesday, January 8, 2013, 11:34 AM
> On Tue
On Tue, 8 Jan 2013 07:57:04 -0800, Garrett Cooper wrote:
> On Jan 8, 2013, at 7:50 AM, Barney Cordoba wrote:
>
> > --- On Mon, 1/7/13, Erich Dollansky wrote:
> >
> >> From: Erich Dollansky
> >> Subject: Re: To SMP or not to SMP
> >>
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
On 01/07/2013 18:25, Barney Cordoba wrote:
> I have a situation where I have to run 9.1 on an old single core
> box. Does anyone have a handle on whether it's better to build a
> non SMP kernel or to just use a standard SMP build with just the
> one co
On Jan 8, 2013, at 7:50 AM, Barney Cordoba wrote:
> --- On Mon, 1/7/13, Erich Dollansky wrote:
>
>> From: Erich Dollansky
>> Subject: Re: To SMP or not to SMP
>> To: "Barney Cordoba"
>> Cc: freebsd-net@freebsd.org
>> Date: Monday, January 7, 2013
The only weird crap I've seen with SMP versus non-SMP these days is
some assumptions that it's cheap to alternate between two tasks in a
preemptive kernel.
That behaviour sucks on MIPS.
On SMP machines with enough CPUs/hardware threads, you don't see the
context switch overhead because you have e
--- On Mon, 1/7/13, Erich Dollansky wrote:
> From: Erich Dollansky
> Subject: Re: To SMP or not to SMP
> To: "Barney Cordoba"
> Cc: freebsd-net@freebsd.org
> Date: Monday, January 7, 2013, 10:56 PM
> Hi,
>
> On Mon, 7 Jan 2013 18:25:58 -0800 (PST)
> Bar
Hi,
On Mon, 7 Jan 2013 18:25:58 -0800 (PST)
Barney Cordoba wrote:
> I have a situation where I have to run 9.1 on an old single core box.
> Does anyone have a handle on whether it's better to build a non SMP
> kernel or to just use a standard SMP build with just the one core?
> Thanks.
I ran a
--- On Mon, 1/7/13, Garrett Cooper wrote:
> From: Garrett Cooper
> Subject: Re: To SMP or not to SMP
> To: "Barney Cordoba"
> Cc: freebsd-net@freebsd.org
> Date: Monday, January 7, 2013, 9:38 PM
> On Jan 7, 2013, at 6:25 PM, Barney
> Cordoba wrote:
>
>
On Jan 7, 2013, at 6:25 PM, Barney Cordoba wrote:
> I have a situation where I have to run 9.1 on an old single core box. Does
> anyone have a handle on whether it's better to build a non SMP kernel or to
> just use a standard SMP build with just the one core? Thanks.
Non-SMP. I don't s
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