[Openchrome-users] Slow performance with Flash player#

[John Robinson]

On 26/06/2007 06:49, Brian Candler wrote:
> On Mon, Jun 25, 2007 at 09:30:07PM +0200, Benno Schulenberg wrote:
>> Is it not simply some memory bandwith issue?
>>
>> # grep -A6 Benchmarking /var/log/Xorg.0.log
>> (II) VIA(0): Benchmarking video copy. Less is better.
>> (--) VIA(0): Timed   libc YUV420 copy... 3048810. Throughput: 403.8 MiB/s.
>> (--) VIA(0): Timed kernel YUV420 copy... 3035232. Throughput: 405.6 MiB/s.
>> (--) VIA(0): Timed    SSE YUV420 copy... 3010814. Throughput: 408.9 MiB/s.
>> (--) VIA(0): Timed    MMX YUV420 copy... 2985347. Throughput: 412.4 MiB/s.
>> (--) VIA(0): Timed 3DNow! YUV420 copy... 3014974. Throughput: 408.3 MiB/s.
>> (--) VIA(0): Timed   MMX2 YUV420 copy... 2995928. Throughput: 410.9 MiB/s.
> 
> Thanks for that - figures here don't look good:
> 
> (II) VIA(0): Benchmarking video copy. Less is better.
> (--) VIA(0): Timed   libc YUV420 copy... 15725702. Throughput: 37.7 MiB/s.
> (--) VIA(0): Timed kernel YUV420 copy... 15610756. Throughput: 38.0 MiB/s.
> (--) VIA(0): Timed    SSE YUV420 copy... 8894087. Throughput: 66.7 MiB/s.
> (--) VIA(0): Timed    MMX YUV420 copy... 9003383. Throughput: 65.9 MiB/s.
> (--) VIA(0): Ditch 3DNow! YUV420 copy... Not supported by CPU.
> (--) VIA(0): Timed   MMX2 YUV420 copy... 8775754. Throughput: 67.6 MiB/s.

Hmm, that really doesn't look good. On my EPIA M-II 10000, which is 
pretty similar to your EPIA M 10000, I get:
(II) VIA(0): Benchmarking video copy. Less is better.
(--) VIA(0): Timed   libc YUV420 copy... 7644387. Throughput: 77.6 MiB/s.
(--) VIA(0): Timed kernel YUV420 copy... 7638392. Throughput: 77.7 MiB/s.
(--) VIA(0): Timed    SSE YUV420 copy... 2826591. Throughput: 209.8 MiB/s.
(--) VIA(0): Timed    MMX YUV420 copy... 4419723. Throughput: 134.2 MiB/s.
(--) VIA(0): Ditch 3DNow! YUV420 copy... Not supported by CPU.
(--) VIA(0): Timed   MMX2 YUV420 copy... 3888107. Throughput: 152.6 MiB/s.

And I'm running some very old stuff:

Jun  8 03:07:59 out kernel: [drm] Initialized drm 1.0.1 20051102
Jun  8 03:07:59 out kernel: [drm] Initialized via 2.9.1 20060111 on 
minor 0: VIA Technologies, Inc. VT8623 [Apollo CLE266] integrated 
CastleRock graphics

(II) VIA: driver for VIA chipsets: CLE266, KM400/KN400, K8M800,
         PM800/PM880/CN400, VM800
(II) Primary Device is: PCI 01:00:0
(--) Assigning device section with no busID to primary device
(--) Chipset CLE266 found
(!!) VIA Technologies does not support or endorse this driver in any way.
(!!) For support, please refer to http://www.openchrome.org/ or
(!!) your X vendor.
(!!) (development build, compiled on Thu May 11 14:34:40 2006)

But it plays DVDs for me, which is all I want.

Cheers,

John.