Am Mittwoch, 10. Dezember 2003 23:06 schrieb Dieter N�tzel: > Am Montag, 20. Oktober 2003 23:31 schrieb Keith Whitwell: > > Ian Romanick wrote: > > > Roland Scheidegger wrote: > > >> Slightly OT, but here's an article comparing XiG Summit, dri cvs and > > >> the ATI driver on a radeon 9000pro. > > >> http://homepage.hispeed.ch/rscheidegger/atilinux_oct03/ati_linux_comp_ > > >>oc t03.html > > >> > > >> > > >> And to get this fully on-topic, is there a specific reason why the dri > > >> driver is quite a bit slower (up to 50% in some subtests) in > > >> SpecViewPerf compared to the cvs version of july? Could this be > > >> related to the changes with GLX_NV_vertex_array_range, > > >> GLX_MESA_agp_offset, GLX_MESA_allocate_memory (the only extensions > > >> which changed in that timeframe) or must this be something else? > > > > > > It is probably because some code paths were disabled in the r200 driver > > > due to serious bugs. This bugs prevented UT 2k3 from running at all. > > > > The problem is (probably) due to excessive flushing introduced by the > > changes Ian referenced. I had time to put together a patch, but at that > > point was having real issues getting CVS to compile. These are probably > > at my end, but before they were resolved I got sidetracked again. > > > > I've attached the patch if someone wants to run with it in the meantime. > > It hasn't been tested at all. > > GREAT work Keith! > > This one brought "old" performance (VTK -> TimeRenderer|2) (nearly) back. > Haven't had time to test it before but found it in the trunk, now.
Keith, is this "missing" in DRI-CVS trunk / Mesa-newtree? TimeRenderer is on par but TimeRenderer2 is half. Down from max ~166 VTK/bin> ./TimeRenderer Wall Time = 0.845649 FrameRate = 141.903 VTK/bin> ./TimeRenderer Wall Time = 0.83491 FrameRate = 143.728 VTK/bin> ./TimeRenderer Wall Time = 0.831522 FrameRate = 144.314 Down from max ~127 VTK/bin> ./TimeRenderer2 Wall Time = 1.81634 FrameRate = 66.067 TriRate = 5.28536e+06 VTK/bin> ./TimeRenderer2 Wall Time = 1.80247 FrameRate = 66.5751 TriRate = 5.32601e+06 VTK/bin> ./TimeRenderer2 Wall Time = 1.80869 FrameRate = 66.3462 TriRate = 5.3077e+06 -- Dieter N�tzel @home: <Dieter.Nuetzel () hamburg ! de> ------------------------------------------------------- This SF.net email is sponsored by: IBM Linux Tutorials. Become an expert in LINUX or just sharpen your skills. Sign up for IBM's Free Linux Tutorials. Learn everything from the bash shell to sys admin. Click now! http://ads.osdn.com/?ad_id78&alloc_id371&op=click -- _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
