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Date:      Mon, 24 Dec 2007 19:09:39 -0800
From:      "Brian McGinty" <brian.mcginty@gmail.com>
To:        "David Xu" <davidxu@freebsd.org>
Cc:        arch@freebsd.org, Robert Watson <rwatson@freebsd.org>
Subject:   Re: Linux compatible setaffinity.
Message-ID:  <601bffc40712241909t10e6f3k8e7940d387b6efc2@mail.gmail.com>
In-Reply-To: <476F0EE5.1040404@freebsd.org>
References:  <20071219211025.T899@desktop> <476B1973.6070902@freebsd.org> <20071222183700.L5866@fledge.watson.org> <476F0EE5.1040404@freebsd.org>

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On Dec 23, 2007 5:44 PM, David Xu <davidxu@freebsd.org> wrote:
>
> Robert Watson wrote:
> > On Fri, 21 Dec 2007, David Xu wrote:
> >
> >> I don't say no to these interfaces, but there is a need to tell user
> >> which cpus are sharing cache, or memory distance is closest enough,
> >> and which cpus are servicing interrupts, e.g, network interrupt and
> >> disks etc, etc, otherwise, blindly setting cpu affinity mask only can
> >> shoot itself in the foot.
> >
> > While the Mac OS X API is pretty Mach-specific, it's worth taking a look
> > at their recently-announced affinity API:
> >
> > http://developer.apple.com/releasenotes/Performance/RN-AffinityAPI/index.html
> >
> >
> > Robert N M Watson
> > Computer Laboratory
> > University of Cambridge
> >
>
>
> I like the interfaces, it is more flexible.

I agree. May I as k what's being planned? It's Jeffs' call finally I think.

Brian.



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