<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:st1="urn:schemas-microsoft-com:office:smarttags" xmlns="http://www.w3.org/TR/REC-html40"> <head> <meta http-equiv=Content-Type content="text/html; charset=iso-8859-1"> <meta name=Generator content="Microsoft Word 11 (filtered medium)"> <o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="City"/> <o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="place"/> <o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="PersonName"/>  <style>  </style> </head> <body lang=EN-US link=blue vlink=blue> <div class=Section1> Chrisophe,<o:p></o:p> <o:p> </o:p> On my platform, the “x11perf –rgbftext” can run and have a speed of 27300/s.<o:p></o:p> What’s your problem?<o:p></o:p> <o:p> </o:p> Thanks,<o:p></o:p> Frank<o:p></o:p> <o:p> </o:p> <div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt'> <div> <div class=MsoNormal align=center style='text-align:center'> <hr size=2 width="100%" align=center tabindex=-1> </div> From: xorg-driver-geode-bounces+frankr.huang=amd.com@lists.x.org [mailto:xorg-driver-geode-bounces+frankr.huang=amd.com@lists.x.org] On Behalf Of Christophe Lindheimer Sent: 2010年7月7日 14:09 To: <st1:PersonName w:st="on">Mart Raudsepp</st1:PersonName>; xorg-driver-geode@lists.x.org Subject: Re: [Xorg-driver-geode] Driver Perf LX800<o:p></o:p> </div> <o:p> </o:p> <div> Hi.<o:p></o:p> </div> <div>  <o:p></o:p> </div> <div> Sorry, forgot the list in copy...<o:p></o:p> </div> <div> 2010/7/6 <st1:PersonName w:st="on">Mart Raudsepp</st1:PersonName> <<a href="mailto:leio@gentoo.org">leio@gentoo.org</a>><o:p></o:p> <div> On Tue, 2010-07-06 at 16:26 +0200, Christophe Lindheimer wrote: > Hi. > > Ok, thanks for this quick answer. > I will retry with 2.11.9 with pleasure.<o:p></o:p> </div> With NoAccel or something? There will be no significant performance work in upcoming 2.11.9<o:p></o:p> <div>  <o:p></o:p> </div> <div>  <o:p></o:p> </div> <div> Yes I will try with NoAccel.<o:p></o:p> </div> <div> I would like, at least, have the perf I had before.<o:p></o:p> </div> <div> I tried vesa with new server & driver but it crashes (illegal extended x86 opcode)<o:p></o:p> </div> <div> I also tried fbdev as advised on <a href="https://bugzilla.novell.com/show_bug.cgi?id=600862">https://bugzilla.novell.com/show_bug.cgi?id=600862</a> but it didn't work on my 11.2 (no correct output on screen)<o:p></o:p> </div> <div> So real geode driver is my last hope :)<o:p></o:p> </div> <div>  <o:p></o:p> </div> <div>  <o:p></o:p> </div> <blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt; margin-left:4.8pt;margin-right:0in'> <div> > BTW, is it normal to have VTs buggy ? > With Ctrl Alt F1, I have nothing on screen :[<o:p></o:p> </div> No. Please send your e-mails to the mailing list.<o:p></o:p> <div> <div>  <o:p></o:p> </div> </div> </blockquote> <div>  <o:p></o:p> </div> <div> This seems to be the same issue that the ont reported in <a href="https://bugzilla.novell.com/show_bug.cgi?id=600862">https://bugzilla.novell.com/show_bug.cgi?id=600862</a><o:p></o:p> </div> <div> I don't know how are managed the text consoles. Is it done by the geode driver ?<o:p></o:p> </div> <div> The guy seems to say that with fbdev the consoles are OK...<o:p></o:p> </div> <div>  <o:p></o:p> </div> <blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt; margin-left:4.8pt;margin-right:0in'> <div> <div> > Thanks > > > > 2010/7/6 <st1:PersonName w:st="on">Mart Raudsepp</st1:PersonName> <<a href="mailto:leio@gentoo.org">leio@gentoo.org</a>> >         Hello Christophe, > > >         On T, 2010-07-06 at 15:54 +0200, Christophe Lindheimer wrote: >         > I use a board with a Geode LX800. >         > >         > previous config was : >         >   Debian >         >   X Window System 7.1.1 >         >   Video driver Vesa >         > >         > new config : >         >   Opensuse 11.2 >         >   Updated Xserver 1.8.2 >         >   Updated Geode Driver 2.11.8 >         > >         > My application worked fine before, it is now unusable (too >         slow) >         > >         > I run a x11perf -rgbftext. >         >   Old config :81300 / s >         >   New config : 36000 / s >         > >         > I am rather newbie in X11, so I don't what are the resources >         used by >         > x11perf in this case. >         > From your point of view, the lost of perf is due to : >         > 1. Issue within Geode driver. >         > 2. due to the change of OS (maybe change in <st1:City w:st="on"><st1:place w:st="on">Cairo</st1:place></st1:City> version of >         other >         > stuff that would consume much more cpu ..) > > >         Before you used a completely different driver that does most >         everything >         in software on the CPU part of the chip. The current state of >         xf86-video-geode is that many things are actually slower with >         hardware >         acceleration due to many paths not being accelerated and the >         nature of >         EXA acceleration - as soon as something can't be accelerated, >         it >         involves slow memory copies to get the pixmap from video >         memory to >         system memory to do that operation in software. And then the >         next >         operation that can be accelerated makes it copy it from system >         memory to >         video memory again, and so on. So we are currently losing all >         the gains >         from hardware acceleration (and more) on memory copies, and in >         profiling >         memcpy should be the main CPU consumer shown. > >         We are aware that glyph drawing became even slower since >         xorg-server-1.7 >         with xf86-video-geode, due to some improvements in EXA glyph >         cache >         handling (for the benefit of many other GPU drivers), which >         now uses >         some render operation that doesn't yet have hardware >         acceleration code >         in the geode driver, among other things we do have >         accelerated. So we >         suffer a pixmap ping-pong death (the glyph picture getting >         copied from >         system memory to reserved video memory and back). > >         The focus will soon shift to performance in the revived >         xf86-video-geode >         development, and glyph drawing is probably the first thing >         that will be >         concentrated on. Big gains from probably just one new hwaccel >         path. >         So hopefully it will be better in 2.11.10 version or so, >         whenever we get >         to that, still work ongoing for 2.11.9, which concentrates on >         bug and >         misrendering fixes. > >         If you require more performant graphics from the Geode right >         now, then I >         suggest to use Option "NoAccel" "true" in your configuration, >         so that >         always software rendering is forced. However this currently >         crashes and >         can't be used - I hope to get this fixed later this week for >         the >         upcoming 2.11.9 release (the crash fix is trivial, but no >         picture is >         then shown until a VT switch to console and back, so that >         needs fixing >         too before pushing fixes). >         Of course once we shift focus on performance after 2.11.9 and >         fix things >         there, you would eventually want to stop using NoAccel, once >         hardware >         acceleration actually makes things faster again in a future >         release or >         GIT repository state. > >         I will soon write a long e-mail to the list of what >         outstanding tasks we >         have, with some details provided for each. > > >         Feel free to monitor the list and actively test patches or GIT >         state :) > >         You can find some more information from >         <a href="http://www.x.org/wiki/GeodeDriver" target="_blank">http://www.x.org/wiki/GeodeDriver</a> - including more community >         resources >         (IRC, bugzilla locations, GIT repository information, etc) > > >         Regards, >         <st1:PersonName w:st="on">Mart Raudsepp</st1:PersonName> > ><o:p></o:p> </div> </div> -- <st1:PersonName w:st="on">Mart Raudsepp</st1:PersonName> Gentoo Developer Mail: <a href="mailto:leio@gentoo.org">leio@gentoo.org</a> Weblog: <a href="http://blogs.gentoo.org/leio" target="_blank">http://blogs.gentoo.org/leio</a><o:p></o:p> </blockquote> </div> <o:p> </o:p> </div> </div> </body> </html>