From: Antonino Daplas <adaplas@pol.net>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: James Simmons <jsimmons@infradead.org>,
Petr Vandrovec <vandrove@vc.cvut.cz>,
Dave Jones <davej@codemonkey.org.uk>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux Fbdev development list
<linux-fbdev-devel@lists.sourceforge.net>
Subject: Re: Re: FBdev updates.
Date: 21 Feb 2003 18:46:44 +0800 [thread overview]
Message-ID: <1045824362.1202.4.camel@localhost.localdomain> (raw)
In-Reply-To: <Pine.GSO.4.21.0302211007080.9232-100000@vervain.sonytel.be>
On Fri, 2003-02-21 at 17:09, Geert Uytterhoeven wrote:
> On 21 Feb 2003, Antonino Daplas wrote:
> > Note: I cannot test with 12x22 fonts in 2.4 because some/most drivers do
> > not support it.
>
> Which specific drivers are you talking about? All drivers for popular cards
> support fontwidth 12 (Matrox, ATI, nVidia, 3Dfx, Permedia, VESA, ...).
>
>
You're absolutely correct, I'm wondering why I thought that :-) Here's
a benchmark for 12x22, and it's 2x slower than 8x16, 2.4.x or 2.5.x.
Still, the 2.5.x version is slower than 2.4.x.
Tony
no accel
scrollmode: yredraw
font: 12x22
visual: packed pixels
time cat /usr/src/linux/MAINTAINERS
linux 2.4.20
bpp8
----
real 0m4.984s
user 0m0.000s
sys 0m4.940s
bpp16
-----
real 0m9.188s
user 0m0.000s
sys 0m9.090s
bpp24
-----
real 0m14.574s
user 0m0.000s
sys 0m14.380s
bpp32
-----
real 0m18.578s
user 0m0.000s
sys 0m18.390s
linux-2.5.62
bpp8
----
real 0m5.247s
user 0m0.001s
sys 0m5.245s
bpp16
-----
real 0m9.640s
user 0m0.001s
sys 0m9.591s
bpp24
-----
real 0m15.943s
user 0m0.001s
sys 0m15.944s
bpp32
-----
real 0m19.653s
user 0m0.002s
sys 0m19.651s
-------------------------------------------------------
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WARNING: multiple messages have this Message-ID (diff)
From: Antonino Daplas <adaplas@pol.net>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: James Simmons <jsimmons@infradead.org>,
Petr Vandrovec <vandrove@vc.cvut.cz>,
Dave Jones <davej@codemonkey.org.uk>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux Fbdev development list
<linux-fbdev-devel@lists.sourceforge.net>
Subject: Re: [Linux-fbdev-devel] Re: FBdev updates.
Date: 21 Feb 2003 18:46:44 +0800 [thread overview]
Message-ID: <1045824362.1202.4.camel@localhost.localdomain> (raw)
In-Reply-To: <Pine.GSO.4.21.0302211007080.9232-100000@vervain.sonytel.be>
On Fri, 2003-02-21 at 17:09, Geert Uytterhoeven wrote:
> On 21 Feb 2003, Antonino Daplas wrote:
> > Note: I cannot test with 12x22 fonts in 2.4 because some/most drivers do
> > not support it.
>
> Which specific drivers are you talking about? All drivers for popular cards
> support fontwidth 12 (Matrox, ATI, nVidia, 3Dfx, Permedia, VESA, ...).
>
>
You're absolutely correct, I'm wondering why I thought that :-) Here's
a benchmark for 12x22, and it's 2x slower than 8x16, 2.4.x or 2.5.x.
Still, the 2.5.x version is slower than 2.4.x.
Tony
no accel
scrollmode: yredraw
font: 12x22
visual: packed pixels
time cat /usr/src/linux/MAINTAINERS
linux 2.4.20
bpp8
----
real 0m4.984s
user 0m0.000s
sys 0m4.940s
bpp16
-----
real 0m9.188s
user 0m0.000s
sys 0m9.090s
bpp24
-----
real 0m14.574s
user 0m0.000s
sys 0m14.380s
bpp32
-----
real 0m18.578s
user 0m0.000s
sys 0m18.390s
linux-2.5.62
bpp8
----
real 0m5.247s
user 0m0.001s
sys 0m5.245s
bpp16
-----
real 0m9.640s
user 0m0.001s
sys 0m9.591s
bpp24
-----
real 0m15.943s
user 0m0.001s
sys 0m15.944s
bpp32
-----
real 0m19.653s
user 0m0.002s
sys 0m19.651s
next prev parent reply other threads:[~2003-02-21 10:46 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-20 1:09 FBdev updates James Simmons
2003-02-20 1:17 ` Jeff Garzik
2003-02-20 1:22 ` James Simmons
2003-02-20 15:02 ` Dave Jones
2003-02-20 15:02 ` Dave Jones
2003-02-20 15:07 ` James Simmons
2003-02-20 18:29 ` Petr Vandrovec
2003-02-20 18:29 ` Petr Vandrovec
2003-02-20 19:03 ` Jurriaan
2003-02-20 19:58 ` James Simmons
2003-02-20 19:58 ` James Simmons
2003-02-20 22:00 ` [Linux-fbdev-devel] " Antonino Daplas
2003-02-21 9:09 ` Geert Uytterhoeven
2003-02-21 10:46 ` Antonino Daplas [this message]
2003-02-21 10:46 ` Antonino Daplas
2003-02-21 11:02 ` Geert Uytterhoeven
2003-02-21 1:45 ` David S. Miller
2003-02-21 1:45 ` David S. Miller
2003-02-21 9:04 ` [Linux-fbdev-devel] " Geert Uytterhoeven
2003-02-21 0:24 ` Antonino Daplas
2003-02-21 0:24 ` [Linux-fbdev-devel] " Antonino Daplas
2003-03-03 20:35 ` Petr Vandrovec
2003-03-03 21:25 ` Geert Uytterhoeven
2003-03-03 21:32 ` Antonino Daplas
2003-03-05 20:23 ` James Simmons
2003-03-05 20:23 ` [Linux-fbdev-devel] " James Simmons
2003-03-06 1:18 ` Antonino Daplas
2003-03-06 1:18 ` [Linux-fbdev-devel] " Antonino Daplas
2003-03-04 21:29 ` Jurriaan
2003-03-04 21:29 ` [Linux-fbdev-devel] " Jurriaan
2003-03-04 21:46 ` Petr Vandrovec
2003-03-04 21:46 ` [Linux-fbdev-devel] " Petr Vandrovec
2003-03-09 21:29 ` Petr Vandrovec
2003-03-09 21:29 ` [Linux-fbdev-devel] " Petr Vandrovec
2003-03-09 22:27 ` Antonino Daplas
2003-03-09 22:27 ` [Linux-fbdev-devel] " Antonino Daplas
2003-03-09 22:54 ` Petr Vandrovec
2003-03-09 22:54 ` [Linux-fbdev-devel] " Petr Vandrovec
2003-03-09 23:44 ` Antonino Daplas
2003-03-09 23:44 ` [Linux-fbdev-devel] " Antonino Daplas
2003-03-13 22:23 ` fb_imageblit semantic Petr Vandrovec
2003-03-14 9:22 ` Geert Uytterhoeven
2003-03-11 15:31 ` [Linux-fbdev-devel] Re: FBdev updates James Simmons
2003-03-16 22:10 ` Nicholas Wourms
2003-03-05 20:22 ` James Simmons
2003-03-05 20:22 ` [Linux-fbdev-devel] " James Simmons
2003-03-06 7:35 ` Sven Luther
2003-03-06 7:35 ` [Linux-fbdev-devel] " Sven Luther
2003-03-06 8:05 ` Antonino Daplas
2003-03-06 8:25 ` Sven Luther
2003-03-28 14:19 ` 2.5.66 fbdev performance (was Re: Re: FBdev updates) Petr Vandrovec
2003-03-28 14:19 ` Petr Vandrovec
2003-03-28 18:50 ` [Linux-fbdev-devel] " Antonino Daplas
2003-02-20 15:10 ` FBdev updates Ivan Kokshaysky
2003-02-20 15:10 ` Ivan Kokshaysky
-- strict thread matches above, loose matches on Subject: below --
2003-08-16 15:50 updates Chris Heath
2003-08-14 20:52 FBDEV updates James Simmons
2003-08-14 21:57 ` Jon Smirl
2003-03-05 20:31 Re: FBdev updates Petr Vandrovec
2002-06-05 16:50 fbdev updates Russell King
2002-06-05 17:21 ` James Simmons
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