From: Andi Kleen <andi@firstfloor.org>
To: xb <xavier.bru@bull.net>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Xeon 5500 series support in kernel
Date: Thu, 02 Jul 2009 11:46:16 +0200 [thread overview]
Message-ID: <877hyrbeon.fsf@basil.nowhere.org> (raw)
In-Reply-To: <4A4C770F.6000709@bull.net> (xb's message of "Thu, 02 Jul 2009 10:59:59 +0200")
xb <xavier.bru@bull.net> writes:
> I wonder if there are specific kernel configuration parameters that
> allow to optimize performances on the recent Xeon 5500 processors (aka
> Nehalem).
The most important optimization is to use a 64bit kernel with NUMA
support enabled (even if you use 32bit userland)
> In particular, should we set CONFIG_GENERIC_CPU or CONFIG_MCORE2 on
> such processors ?
The kernel doesn't really care about compiler optimizations,
so it shouldn't make any difference. CONFIG_GENERIC_CPU is fine.
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
next prev parent reply other threads:[~2009-07-02 9:46 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-02 8:59 Xeon 5500 series support in kernel xb
2009-07-02 9:46 ` Andi Kleen [this message]
2009-07-04 11:41 ` Nix
2009-07-04 16:07 ` Andi Kleen
2009-07-04 18:01 ` Morten P.D. Stevens
2009-07-05 9:55 ` Andi Kleen
-- strict thread matches above, loose matches on Subject: below --
2009-07-02 7:45 lchampig
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