2009/7/31 Michel Dänzer <daen...@debian.org>: > On Fri, 2009-07-31 at 00:13 +0200, Michal Suchanek wrote: >> 2009/7/30 Michel Dänzer <daen...@debian.org>: >> > On Thu, 2009-07-30 at 01:36 +0200, Michal Suchanek wrote: >> >> >> >> The majority of time is spent in: >> >> (with -fps) 181333 53.6798 radeon.ko radeon.ko >> >> radeon_do_wait_for_idle >> >> (without -fps) 287349 59.3526 radeon.ko radeon.ko >> >> radeon_freelist_get >> > >> > This indicates the GPU is the bottleneck, but I'm not sure why it would >> > be that slow... though one thing I notice now is that the card only has >> > a 64 bit wide memory bus, that could be the bottleneck. What kind of >> > numbers does >> > >> > x11perf -copywinwin500 -aa10text -repeat 1 >> > >> > give? (Preferably without a compositing manager running) >> > >> >> This is the output: >> >> x11perf - X11 performance program, version 1.2 >> The X.Org Foundation server version 10602901 on :0.0 >> from heretic >> Fri Jul 31 00:06:24 2009 >> >> Sync time adjustment is 0.1073 msecs. >> >> 3200000 reps @ 0.0018 msec (554000.0/sec): Char in 80-char aa line >> (Charter 10) >> >> 8000 reps @ 0.6963 msec ( 1440.0/sec): Copy 500x500 from window to >> window > > Okay, that's not much worse than here, so it seems like your hardware > should be capable of similar performance in hypertorus as well. > > >> The next thing to try might be to install the drm modules that came >> with the mesa library. > > There's no such thing. If you mean drm-modules-source, that's deprecated > in favour of the DRM modules in the kernel.
aren't the modules provided with mesa newer? > > >> I would expect that like CPU operations the GPU operations can be >> optimized so a later code could have better results. > > Indeed, it certainly can't hurt to try upstream Mesa Git. > > >> Unfortunately. unlike Intel ATI did not hand out optimization manuals >> for their chips so there is not much hope in improving the >> performance. > > I'm not sure that's an accurate comparison of the documentation provided > by these vendors, but anyway I don't think the low performance of > hypertorus on your system is representative, there just seems to be > something weird going on there. > > BTW, what's the number of polys displayed by hypertorus? I have 2,080 polys. Thanks Michal -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
