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Instead of ingesting 1-bit booleans and trying to force everything to be 16-bit, except when it isn't, and creating a mess in the backend... just use the NIR pass designed to select bitsize for booleans. Yes, this means we need to handle more NIR instructions, but the handling is easier and the conversion is more obvious (except for some edge cases like 16-bit vectorized b32csel). This generates noticeably better code, and the generated code will be easier to optimize. total instructions in shared programs: 90257 -> 88941 (-1.46%) instructions in affected programs: 49145 -> 47829 (-2.68%) helped: 201 HURT: 2 helped stats (abs) min: 1.0 max: 40.0 x̄: 6.57 x̃: 3 helped stats (rel) min: 0.29% max: 13.89% x̄: 2.57% x̃: 1.90% HURT stats (abs) min: 2.0 max: 2.0 x̄: 2.00 x̃: 2 HURT stats (rel) min: 2.15% max: 2.74% x̄: 2.45% x̃: 2.45% 95% mean confidence interval for instructions value: -7.71 -5.26 95% mean confidence interval for instructions %-change: -2.84% -2.20% Instructions are helped. total tuples in shared programs: 73740 -> 72922 (-1.11%) tuples in affected programs: 36564 -> 35746 (-2.24%) helped: 184 HURT: 7 helped stats (abs) min: 1.0 max: 74.0 x̄: 4.49 x̃: 2 helped stats (rel) min: 0.30% max: 16.67% x̄: 2.86% x̃: 1.89% HURT stats (abs) min: 1.0 max: 2.0 x̄: 1.29 x̃: 1 HURT stats (rel) min: 0.12% max: 12.50% x̄: 4.26% x̃: 3.33% 95% mean confidence interval for tuples value: -5.29 -3.28 95% mean confidence interval for tuples %-change: -3.06% -2.13% Tuples are helped. total clauses in shared programs: 15993 -> 15928 (-0.41%) clauses in affected programs: 2464 -> 2399 (-2.64%) helped: 35 HURT: 16 helped stats (abs) min: 1.0 max: 27.0 x̄: 2.31 x̃: 1 helped stats (rel) min: 0.49% max: 18.88% x̄: 7.63% x̃: 5.88% HURT stats (abs) min: 1.0 max: 1.0 x̄: 1.00 x̃: 1 HURT stats (rel) min: 0.79% max: 6.25% x̄: 1.91% x̃: 1.01% 95% mean confidence interval for clauses value: -2.46 -0.09 95% mean confidence interval for clauses %-change: -6.38% -2.90% Clauses are helped. total cycles in shared programs: 7622.13 -> 7594.75 (-0.36%) cycles in affected programs: 1078.67 -> 1051.29 (-2.54%) helped: 103 HURT: 4 helped stats (abs) min: 0.041665999999999315 max: 3.0833319999999986 x̄: 0.27 x̃: 0 helped stats (rel) min: 0.32% max: 21.05% x̄: 3.62% x̃: 2.44% HURT stats (abs) min: 0.0416669999999999 max: 0.0833330000000001 x̄: 0.05 x̃: 0 HURT stats (rel) min: 0.13% max: 7.14% x̄: 2.94% x̃: 2.25% 95% mean confidence interval for cycles value: -0.33 -0.19 95% mean confidence interval for cycles %-change: -4.14% -2.61% Cycles are helped. total arith in shared programs: 2762.46 -> 2728.08 (-1.24%) arith in affected programs: 1550.12 -> 1515.75 (-2.22%) helped: 197 HURT: 6 helped stats (abs) min: 0.041665999999999315 max: 3.0833319999999986 x̄: 0.18 x̃: 0 helped stats (rel) min: 0.32% max: 21.05% x̄: 2.93% x̃: 1.61% HURT stats (abs) min: 0.0416669999999999 max: 0.0833330000000001 x̄: 0.06 x̃: 0 HURT stats (rel) min: 0.13% max: 20.00% x̄: 5.78% x̃: 3.37% 95% mean confidence interval for arith value: -0.21 -0.13 95% mean confidence interval for arith %-change: -3.20% -2.15% Arith are helped. total quadwords in shared programs: 68155 -> 67555 (-0.88%) quadwords in affected programs: 27944 -> 27344 (-2.15%) helped: 151 HURT: 9 helped stats (abs) min: 1.0 max: 52.0 x̄: 4.09 x̃: 3 helped stats (rel) min: 0.23% max: 12.35% x̄: 2.87% x̃: 2.17% HURT stats (abs) min: 1.0 max: 5.0 x̄: 1.89 x̃: 1 HURT stats (rel) min: 0.20% max: 6.76% x̄: 1.91% x̃: 1.13% 95% mean confidence interval for quadwords value: -4.67 -2.83 95% mean confidence interval for quadwords %-change: -2.99% -2.21% Quadwords are helped. total threads in shared programs: 2232 -> 2233 (0.04%) threads in affected programs: 1 -> 2 (100.00%) helped: 1 HURT: 0 Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14576> |
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`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.