On Tue, 2008-09-30 at 21:30 +0200, Bernie Innocenti wrote: > Michel Dänzer wrote: > > On Sun, 2008-09-28 at 18:46 +0200, Bernie Innocenti wrote: > >> Tomeu Vizoso wrote: > >> > >>> On Sun, Sep 28, 2008 at 12:46 PM, Riccardo Lucchese > >>> <[EMAIL PROTECTED]> wrote: > >>>> On Sun, 2008-09-28 at 12:43 +0200, Riccardo Lucchese wrote: > >>>>> * build 703, xorg driver = amd, redraws = 200 > >>>>> - pixbuf: > >>>>> 98.63s > >>>>> 96.96s > >>>>> 96.58s > >>>>> 97.14s > >>>>> 99.21s > >>>>> > >>>>> * build 703, xorg driver = fbdev, redraws = 200 > >>>>> - pixbuf: > >>>>> 55.81s > >>>>> 55.40s > >>>>> 55.22s > >>>>> 55.50s > >>>>> 55.63s > >>>>> > >>>>> * build 2489, xorg driver = amd, redraws = 200 > >>>>> - pixbuf: > >>>>> 84.21s > >>>>> 84.81s > >>>>> 81.94s > >>>>> 81.79s > >>>>> 85.29s > >>>>> > >>>>> * build 2489, xorg driver = fbdev, redraws = 200 > >>>>> - pixbuf: > >>>>> 62.83s > >>>>> 62.81s > >>>>> 62.81s > >>>>> 62.66s > >>>>> 63.14s > >>>>> > >>>>> - joyride regressed sensibly at rendering with cairo since 703 > >>>>> - rendering pixbufs is extremely slow on the xo > >>>>> - server side surfaces are awesome ;) > >>>>> > >>>> and btw why is fbdev faster than the geode driver at rendering pixbufs ? > >> My performance tests with X 1.3 and 1.4 had shown that turning on EXA > >> makes many operations slower. It's hard to tell why, but it might have to > >> do with loosing XShmPut() (MIT shared memory), > > > > EXA does support XShmPutImage(), just not SHM pixmaps. > > I was remembering the code. > > As a result of ee7c684f21d, the PutImage hook in ShmFuncs is no longer > being used. Shall I commit a cleanup? > > > > Also note that the fbdev driver by default uses a shadow framebuffer in > > system RAM and only updates the visible screen contents at regular > > intervals. It might be fairer to compare with Option "ShadowFB" "off", > > at least assuming the amd driver provides other desirable features the > > fbdev driver can't provide. > > Riccardo, could you try that? > weird, testing with the ShadowFb option off slightly speeds up the test ;P avg time on 5 tries: ~57.5s (it was 62.83s)
riccardo _______________________________________________ Sugar mailing list [email protected] http://lists.laptop.org/listinfo/sugar
