Alyssa Rosenzweig
9cfafbb09b
Many small integers are availabled as small constants, but the table of small constants is tightly packed. Zero and sign extensions are usually required to access small integers. When packing constants, try zero/sign extension for unsigned/signed integer instructions respectively. total instructions in shared programs: 2716912 -> 2707795 (-0.34%) instructions in affected programs: 1045609 -> 1036492 (-0.87%) helped: 4460 HURT: 125 helped stats (abs) min: 1.0 max: 58.0 x̄: 2.14 x̃: 1 helped stats (rel) min: 0.14% max: 23.85% x̄: 1.35% x̃: 0.88% HURT stats (abs) min: 1.0 max: 68.0 x̄: 3.41 x̃: 1 HURT stats (rel) min: 0.34% max: 3.88% x̄: 0.93% x̃: 0.70% 95% mean confidence interval for instructions value: -2.09 -1.89 95% mean confidence interval for instructions %-change: -1.33% -1.25% Instructions are helped. total cycles in shared programs: 141984.06 -> 141932.42 (-0.04%) cycles in affected programs: 552.08 -> 500.44 (-9.35%) helped: 18 HURT: 0 helped stats (abs) min: 0.015625 max: 11.0 x̄: 2.87 x̃: 0 helped stats (rel) min: 0.50% max: 19.64% x̄: 5.36% x̃: 1.53% 95% mean confidence interval for cycles value: -5.17 -0.56 95% mean confidence interval for cycles %-change: -9.28% -1.44% Cycles are helped. total cvt in shared programs: 13805.05 -> 13663.39 (-1.03%) cvt in affected programs: 6127.45 -> 5985.80 (-2.31%) helped: 4460 HURT: 125 helped stats (abs) min: 0.015625 max: 0.90625 x̄: 0.03 x̃: 0 helped stats (rel) min: 0.35% max: 50.00% x̄: 5.19% x̃: 4.00% HURT stats (abs) min: 0.015625 max: 1.0625 x̄: 0.05 x̃: 0 HURT stats (rel) min: 0.77% max: 9.30% x̄: 3.40% x̃: 2.78% 95% mean confidence interval for cvt value: -0.03 -0.03 95% mean confidence interval for cvt %-change: -5.10% -4.81% Cvt are helped. total ls in shared programs: 129545 -> 129494 (-0.04%) ls in affected programs: 495 -> 444 (-10.30%) helped: 6 HURT: 0 helped stats (abs) min: 2.0 max: 11.0 x̄: 8.50 x̃: 11 helped stats (rel) min: 1.49% max: 19.64% x̄: 13.95% x̃: 19.64% 95% mean confidence interval for ls value: -12.68 -4.32 95% mean confidence interval for ls %-change: -23.23% -4.67% Ls are helped. total quadwords in shared programs: 1476416 -> 1469824 (-0.45%) quadwords in affected programs: 121208 -> 114616 (-5.44%) helped: 820 HURT: 16 helped stats (abs) min: 8.0 max: 32.0 x̄: 8.28 x̃: 8 helped stats (rel) min: 1.39% max: 50.00% x̄: 11.00% x̃: 10.00% HURT stats (abs) min: 8.0 max: 32.0 x̄: 12.50 x̃: 8 HURT stats (rel) min: 1.38% max: 10.00% x̄: 6.19% x̃: 7.14% 95% mean confidence interval for quadwords value: -8.14 -7.63 95% mean confidence interval for quadwords %-change: -11.20% -10.15% Quadwords are helped. total threads in shared programs: 53633 -> 53663 (0.06%) threads in affected programs: 39 -> 69 (76.92%) helped: 33 HURT: 3 helped stats (abs) min: 1.0 max: 1.0 x̄: 1.00 x̃: 1 helped stats (rel) min: 100.00% max: 100.00% x̄: 100.00% x̃: 100.00% HURT stats (abs) min: 1.0 max: 1.0 x̄: 1.00 x̃: 1 HURT stats (rel) min: 50.00% max: 50.00% x̄: 50.00% x̃: 50.00% 95% mean confidence interval for threads value: 0.64 1.02 95% mean confidence interval for threads %-change: 73.27% 101.73% Threads are helped. total spills in shared programs: 154 -> 103 (-33.12%) spills in affected programs: 75 -> 24 (-68.00%) helped: 6 HURT: 0 total fills in shared programs: 656 -> 656 (0.00%) fills in affected programs: 148 -> 148 (0.00%) helped: 2 HURT: 4 Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16862>
`Mesa <https://mesa3d.org>`_ - The 3D Graphics Library ====================================================== Source ------ This repository lives at https://gitlab.freedesktop.org/mesa/mesa. Other repositories are likely forks, and code found there is not supported. Build & install --------------- You can find more information in our documentation (`docs/install.rst <https://mesa3d.org/install.html>`_), but the recommended way is to use Meson (`docs/meson.rst <https://mesa3d.org/meson.html>`_): .. code-block:: sh $ mkdir build $ cd build $ meson .. $ sudo ninja install Support ------- Many Mesa devs hang on IRC; if you're not sure which channel is appropriate, you should ask your question on `OFTC's #dri-devel <irc://irc.oftc.net/dri-devel>`_, someone will redirect you if necessary. Remember that not everyone is in the same timezone as you, so it might take a while before someone qualified sees your question. To figure out who you're talking to, or which nick to ping for your question, check out `Who's Who on IRC <https://dri.freedesktop.org/wiki/WhosWho/>`_. The next best option is to ask your question in an email to the mailing lists: `mesa-dev\@lists.freedesktop.org <https://lists.freedesktop.org/mailman/listinfo/mesa-dev>`_ Bug reports ----------- If you think something isn't working properly, please file a bug report (`docs/bugs.rst <https://mesa3d.org/bugs.html>`_). Contributing ------------ Contributions are welcome, and step-by-step instructions can be found in our documentation (`docs/submittingpatches.rst <https://mesa3d.org/submittingpatches.html>`_). Note that Mesa uses gitlab for patches submission, review and discussions.