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Date:      Fri, 16 Aug 2002 18:11:38 +0100
From:      Jonathon McKitrick <jcm@FreeBSD-uk.eu.org>
To:        Larry Rosenman <ler@lerctr.org>
Cc:        Terry Lambert <tlambert2@mindspring.com>, freebsd-hackers@FreeBSD.ORG
Subject:   Re: When to consider the new scehduler?
Message-ID:  <20020816171138.GA60820@dogma.freebsd-uk.eu.org>
In-Reply-To: <1029501575.404.10.camel@lerlaptop.lerctr.org>
References:  <20020816104037.GA58453@dogma.freebsd-uk.eu.org> <3D5CDF48.9C9B30ED@mindspring.com> <20020816115957.GA58797@dogma.freebsd-uk.eu.org> <3D5CEE39.51E55574@mindspring.com> <20020816123521.GB58797@dogma.freebsd-uk.eu.org> <1029501575.404.10.camel@lerlaptop.lerctr.org>

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On Fri, Aug 16, 2002 at 07:39:35AM -0500, Larry Rosenman wrote:
| On Fri, 2002-08-16 at 07:35, Jonathon McKitrick wrote:
| > | > Why don't they just add an extra CPU to handle the GUI??  ;-)
| > | 
| > | They did.  4.0.2 was the ES/MP (Enhanced Security/Multi Processing)
| > 
| > I thought only NT-SMP did that.  I *thought* I was being funny.  :-)
| SVR4.2 is a totally threaded kernel.  SVR5 (UnixWare 7/OpenUNIX 8) takes
| it even further.  I run an OpenUnix 8+ box in addition to FreeBSD.  if
| any FreeBSD developers want a shell account to look around, I can
| arrange it. 
| 
| [snip]

I was just making a joke about how (IIRC) Win2K's use of a second CPU
in the default setting is just to offload all of the GUI handling to
it, so the UI stays snappy even when the machine is heavily loaded.  I
would expect more advanced OS's to use a much better scheduler to 
make better use of the other CPU.



jm
-- 
My other computer is your Windows box.

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