From: William Lee Irwin III <wli@holomorphy.com>
To: Maneesh Soni <maneesh@in.ibm.com>
Cc: Andrew Morton <akpm@digeo.com>,
linux-kernel@vger.kernel.org, viro@math.psu.edu
Subject: Re: 2.5.36-mm1 dbench 512 profiles
Date: Fri, 20 Sep 2002 01:06:28 -0700 [thread overview]
Message-ID: <20020920080628.GK3530@holomorphy.com> (raw)
In-Reply-To: <200209200747.g8K7la9B174532@northrelay01.pok.ibm.com>
On Fri, 20 Sep 2002 05:48:38 +0530, William Lee Irwin III wrote:
>> As far as the dcache goes, I'll stick to observing and reporting. I'll
>> rerun with dcache patches applied, though.
On Fri, Sep 20, 2002 at 01:29:28PM +0530, Maneesh Soni wrote:
> For a 32-way system fastwalk will perform badly from dcache_lock
> point of view, basically due to increased lock hold time.
> dcache_rcu-12 should reduce dcache_lock contention and hold time. The
> patch uses RCU infrastructer patch and read_barrier_depends patch.
> The patches are available in Read-Copy-Update section on lse site at
> http://sourceforge.net/projects/lse
ISTR Hubertus mentioning this at OLS, and it sounded like a problem to
me. I'm doing some runs with this to see if it fixes the problem.
Cheers,
Bill
next prev parent reply other threads:[~2002-09-20 8:07 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-19 22:30 2.5.36-mm1 dbench 512 profiles William Lee Irwin III
2002-09-19 23:18 ` Hanna Linder
2002-09-19 23:38 ` Andrew Morton
2002-09-19 23:45 ` Hanna Linder
2002-09-20 0:08 ` William Lee Irwin III
2002-09-20 4:02 ` William Lee Irwin III
2002-09-20 7:59 ` Maneesh Soni
2002-09-20 8:06 ` William Lee Irwin III [this message]
2002-09-20 12:03 ` William Lee Irwin III
2002-09-20 18:51 ` Hanna Linder
2002-09-20 20:32 ` Hanna Linder
2002-09-20 20:54 ` Dipankar Sarma
2002-09-20 20:39 ` William Lee Irwin III
2002-09-20 21:30 ` Martin J. Bligh
2002-09-20 23:11 ` William Lee Irwin III
2002-09-20 23:22 ` Martin J. Bligh
2002-09-21 7:52 ` William Lee Irwin III
2002-09-20 14:34 ` Dave Hansen
2002-09-20 16:07 ` Martin J. Bligh
2002-09-20 17:48 ` Dipankar Sarma
2002-09-20 17:40 ` Dipankar Sarma
2002-09-20 20:28 ` Dipankar Sarma
2002-09-20 5:14 ` William Lee Irwin III
2002-09-20 6:59 ` William Lee Irwin III
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