From: "Antonino A. Daplas" <adaplas@gmail.com>
To: linux-fbdev-devel@lists.sourceforge.net, Andrew Morton <akpm@osdl.org>
Cc: Knut Petersen <Knut_Petersen@t-online.de>
Subject: Re: Fw: framebuffer blitting performance loss 2.6.12 -> 2.6.13-rc3
Date: Fri, 22 Jul 2005 11:58:23 +0800 [thread overview]
Message-ID: <200507221158.23454.adaplas@gmail.com> (raw)
In-Reply-To: <20050715033912.1cd9b6c3.akpm@osdl.org>
On Friday 15 July 2005 18:39, Andrew Morton wrote:
> Begin forwarded message:
>
> Date: Fri, 15 Jul 2005 12:14:37 +0200
> From: Knut Petersen <Knut_Petersen@t-online.de>
> To: linux-kernel@vger.kernel.org
> Subject: framebuffer blitting performance loss 2.6.12 -> 2.6.13-rc3
>
>
> Hi everybody!
>
> There is a serious performance loss between 2.6.12 and 2.6.13-rc3
> affecting _all_ framebuffer devices, especially those with fast
> bitblit functions.
>
I haven't seen any significant performance penalty, between 2.6.12-rc5-mm1
and 2.6.13-rc3-mm1.
Based on your results, I would pinpoint the culprit to be in
video/console/bitblit.c. However, the changes there are minor, and should not
alter the peformance.
Tony
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next prev parent reply other threads:[~2005-07-22 4:57 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-15 10:39 Fw: framebuffer blitting performance loss 2.6.12 -> 2.6.13-rc3 Andrew Morton
2005-07-22 3:58 ` Antonino A. Daplas [this message]
2005-07-29 7:17 ` Andrew Morton
2005-07-29 14:54 ` Knut Petersen
2005-07-29 15:42 ` Antonino A. Daplas
2005-07-29 19:02 ` Andrew Morton
2005-07-29 19:52 ` James Simmons
2005-07-29 19:59 ` James Simmons
2005-07-29 19:51 ` James Simmons
2005-07-29 20:21 ` Jon Smirl
2005-07-29 22:45 ` Antonino A. Daplas
2005-08-03 17:29 ` James Simmons
2005-07-29 22:45 ` Luca
2005-07-29 20:10 ` Knut Petersen
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