From: Grant Grundler <iod00d@hp.com>
To: Coywolf Qi Hunt <coywolf@gmail.com>
Cc: "Chen, Kenneth W" <kenneth.w.chen@intel.com>,
Linux Kernel <linux-kernel@vger.kernel.org>,
linux-ia64@vger.kernel.org, Andrew Morton <akpm@osdl.org>
Subject: Re: Prefetch kernel stacks to speed up context switch
Date: Wed, 07 Sep 2005 16:14:23 +0000 [thread overview]
Message-ID: <20050907161423.GA30660@esmail.cup.hp.com> (raw)
In-Reply-To: <2cd57c900509070152518fac06@mail.gmail.com>
On Wed, Sep 07, 2005 at 04:52:17PM +0800, Coywolf Qi Hunt wrote:
> On 9/7/05, Chen, Kenneth W <kenneth.w.chen@intel.com> wrote:
> > Repost previously discussed patch (on Jul 27, 2005).
For reference:
http://www.gelato.unsw.edu.au/archives/linux-ia64/0507/14686.html
> Do you have any benchmarks?
Have you read the discussion?
See:
http://www.gelato.unsw.edu.au/archives/linux-ia64/0507/14685.html
Ken didn't post any benchmark results originally but clearly
stated the cacheline misses were occurring enough to be measurable.
Just knowing which workload and how much much time was spent
stalling for cacheline misses should be sufficient.
grant
prev parent reply other threads:[~2005-09-07 16:14 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-07 8:28 Prefetch kernel stacks to speed up context switch Chen, Kenneth W
2005-09-07 8:52 ` Coywolf Qi Hunt
2005-09-07 16:14 ` Grant Grundler [this message]
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