From: Arjan van de Ven <arjan@linux.intel.com>
To: Andi Kleen <ak@suse.de>
Cc: linux-kernel@vger.kernel.org, torvalds@osdl.org, akpm@osdl.org
Subject: Re: [Patch 0/4] Reordering of functions, try 2
Date: Mon, 27 Feb 2006 16:43:15 +0100 [thread overview]
Message-ID: <44031E13.2050303@linux.intel.com> (raw)
In-Reply-To: <200602271636.26064.ak@suse.de>
Andi Kleen wrote:
> On Monday 27 February 2006 16:23, Arjan van de Ven wrote:
>
>> 2) In the "processor/processes" group, 7 tests changed behavior, and the
>> average of these changes was a performance increase by 10% (!!). The
>> exception was the signal handling test, which decreased by 6%. This
>> actually made me feel good, since the original function list was based
>> on a profile run that didn't do signals much if at all.
>
> How often did you rerun lmbench each time?
I ran it 5 times each time and then took the average of the runs
(yes that takes forever)
> In my experience the numbers
> are somewhat unstable. Still looks encouraging.
prev parent reply other threads:[~2006-02-27 15:43 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-27 15:23 [Patch 0/4] Reordering of functions, try 2 Arjan van de Ven
2006-02-27 15:27 ` [Patch 2/4] Basic reorder infrastructure Arjan van de Ven
2006-02-27 15:41 ` Andi Kleen
2006-02-27 16:31 ` sam
2006-02-27 17:19 ` Arjan van de Ven
2006-02-28 19:08 ` Sam Ravnborg
2006-03-10 9:45 ` [Patch 2/4] Basic reorder infrastructure - makes linking very slow Andi Kleen
2006-02-27 15:31 ` [Patch 4/4] Tell GCC 4.1 to move unlikely() code to a separate section Arjan van de Ven
2006-02-27 15:39 ` Andi Kleen
2006-02-27 23:33 ` Bill Davidsen
2006-02-27 15:31 ` [Patch 3/4] Move the base kernel to 2Mb to align with TLB boundaries Arjan van de Ven
2006-02-27 15:36 ` Andi Kleen
2006-02-27 15:52 ` Arjan van de Ven
2006-02-27 15:31 ` [Patch 1/4] avoid entry.S functions from reordering Arjan van de Ven
2006-02-27 15:36 ` [Patch 0/4] Reordering of functions, try 2 Andi Kleen
2006-02-27 15:43 ` Arjan van de Ven [this message]
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