From: "Brian F. G. Bidulock" <bidulock@openss7.org>
To: Andi Kleen <ak@suse.de>
Cc: Andrew Morton <akpm@osdl.org>,
adilger@clusterfs.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] use unlikely() for current_kernel_time() loop
Date: Thu, 8 Jun 2006 04:50:58 -0600 [thread overview]
Message-ID: <20060608045058.A18044@openss7.org> (raw)
In-Reply-To: <200606081220.04060.ak@suse.de>; from ak@suse.de on Thu, Jun 08, 2006 at 12:20:04PM +0200
Andi,
On Thu, 08 Jun 2006, Andi Kleen wrote:
> >
> > Don't think there was an error. Tests performed on STREAMS external
> > modules optimized with profiling data.
>
> You mean with compiler profile feedback?
No, hand optimized from oprofile runs.
> If that is slower then it would sound like a compiler bug.
What slower? It was 2% faster. And that was only the external
kernel modules compiled without the -fno-redorder-blocks flag.
--brian
prev parent reply other threads:[~2006-06-08 10:51 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-07 17:36 [PATCH] use unlikely() for current_kernel_time() loop Andreas Dilger
2006-06-08 2:28 ` Andi Kleen
2006-06-08 5:01 ` Andrew Morton
2006-06-08 5:39 ` Andi Kleen
2006-06-08 6:41 ` Brian F. G. Bidulock
2006-06-08 6:51 ` Andi Kleen
2006-06-08 7:00 ` Brian F. G. Bidulock
2006-06-08 7:07 ` Andi Kleen
2006-06-08 7:43 ` Brian F. G. Bidulock
2006-06-08 8:59 ` Brian F. G. Bidulock
2006-06-08 9:14 ` Andi Kleen
2006-06-08 9:36 ` Brian F. G. Bidulock
2006-06-08 10:20 ` Andi Kleen
2006-06-08 10:50 ` Brian F. G. Bidulock [this message]
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