https://pastebin.com/raw/itNDpPv0
Cleanups only: +10.85% Total: +11.8% Marek On Fri, Jul 13, 2018 at 11:05 AM, Michel Dänzer <mic...@daenzer.net> wrote: > On 2018-07-12 07:26 AM, Marek Olšák wrote: >> >> The maximum glxgears FPS improves as follows. >> >> Initially: 13285 >> 8 patches: 14403 (+8.4% vs initial) >> + patch 9: 15498 (+16.6% vs initial) > > Those are nice numbers, but I'm afraid they're almost meaningless > without more information about how you obtained them: > > > I ran glxgears three times on my development machine (Tonga, Ryzen 7) > and let it print 10 lines of output each, see below. Observations: > > The maximum FPS varied between 8921 in the first run and 8519 in the > second run, almost 5% difference. > > The average FPS varied between 8825 in the first run and 8390 in the > second run, that's even slightly more than 5% difference. > > In summary, the variance I'm seeing between runs is almost as large as > each of the two deltas in your numbers above. > > > In order to get more confidence about the numbers, my suggestion would > be to compare the average FPS instead of the maximum one (e.g. just > adding up the numbers of frames from the first n lines of output of each > run), and to do enough runs for the numbers to be statistically > significant, e.g. using something like ministat (just put the total > numbers of frames of each run on a separate line in a text file, one > file for each test point, then feed the files to ministat, and it shows > you the interval between the maximum/minimum difference between the test > points at 95% confidence). > > (BTW, it's perfectly possible that this would result in even better > numbers :) > > > 1st run: > > 43508 frames in 5.0 seconds = 8701.432 FPS > 44382 frames in 5.0 seconds = 8876.267 FPS > 44473 frames in 5.0 seconds = 8894.457 FPS > 44531 frames in 5.0 seconds = 8906.013 FPS > 43774 frames in 5.0 seconds = 8754.668 FPS > 42578 frames in 5.0 seconds = 8515.556 FPS > 44379 frames in 5.0 seconds = 8875.649 FPS > 44451 frames in 5.0 seconds = 8890.145 FPS > 44572 frames in 5.0 seconds = 8914.330 FPS > 44606 frames in 5.0 seconds = 8921.109 FPS > > > 2nd run: > > 41095 frames in 5.0 seconds = 8218.930 FPS > 42218 frames in 5.0 seconds = 8443.552 FPS > 42561 frames in 5.0 seconds = 8512.142 FPS > 42319 frames in 5.0 seconds = 8463.651 FPS > 41450 frames in 5.0 seconds = 8289.875 FPS > 41085 frames in 5.0 seconds = 8216.868 FPS > 42593 frames in 5.0 seconds = 8518.580 FPS > 42055 frames in 5.0 seconds = 8410.791 FPS > 41651 frames in 5.0 seconds = 8330.172 FPS > 42491 frames in 5.0 seconds = 8498.198 FPS > > > 3rd run: > > 40701 frames in 5.0 seconds = 8140.039 FPS > 41932 frames in 5.0 seconds = 8386.246 FPS > 43277 frames in 5.0 seconds = 8655.284 FPS > 44076 frames in 5.0 seconds = 8815.146 FPS > 43535 frames in 5.0 seconds = 8706.958 FPS > 42281 frames in 5.0 seconds = 8456.143 FPS > 42347 frames in 5.0 seconds = 8469.265 FPS > 40415 frames in 5.0 seconds = 8082.880 FPS > 41142 frames in 5.0 seconds = 8228.342 FPS > 40379 frames in 5.0 seconds = 8075.758 FPS > > > > -- > Earthling Michel Dänzer | http://www.amd.com > Libre software enthusiast | Mesa and X developer _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev
