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v2: Remove unsafe integer versions of the optimizations. This change had no effect on shader-db results. Suggested by Caio. All Gen6+ platforms had similar results. (Ice Lake shown) total instructions in shared programs: 16333713 -> 16332631 (<.01%) instructions in affected programs: 258112 -> 257030 (-0.42%) helped: 1275 HURT: 407 helped stats (abs) min: 1 max: 7 x̄: 1.17 x̃: 1 helped stats (rel) min: 0.20% max: 8.33% x̄: 1.33% x̃: 0.86% HURT stats (abs) min: 1 max: 2 x̄: 1.00 x̃: 1 HURT stats (rel) min: 0.11% max: 2.94% x̄: 0.98% x̃: 0.98% 95% mean confidence interval for instructions value: -0.70 -0.59 95% mean confidence interval for instructions %-change: -0.84% -0.70% Instructions are helped. total cycles in shared programs: 367596791 -> 367601268 (<.01%) cycles in affected programs: 3420062 -> 3424539 (0.13%) helped: 1553 HURT: 783 helped stats (abs) min: 1 max: 742 x̄: 24.36 x̃: 6 helped stats (rel) min: 0.05% max: 21.12% x̄: 1.47% x̃: 0.65% HURT stats (abs) min: 1 max: 557 x̄: 54.04 x̃: 14 HURT stats (rel) min: 0.01% max: 33.66% x̄: 3.36% x̃: 1.43% 95% mean confidence interval for cycles value: -1.60 5.43 95% mean confidence interval for cycles %-change: -0.03% 0.33% Inconclusive result (value mean confidence interval includes 0). LOST: 0 GAINED: 2 Iron Lake total instructions in shared programs: 8137992 -> 8137874 (<.01%) instructions in affected programs: 17501 -> 17383 (-0.67%) helped: 104 HURT: 2 helped stats (abs) min: 1 max: 2 x̄: 1.17 x̃: 1 helped stats (rel) min: 0.25% max: 2.63% x̄: 0.87% x̃: 0.72% HURT stats (abs) min: 2 max: 2 x̄: 2.00 x̃: 2 HURT stats (rel) min: 0.45% max: 0.45% x̄: 0.45% x̃: 0.45% 95% mean confidence interval for instructions value: -1.22 -1.00 95% mean confidence interval for instructions %-change: -0.94% -0.76% Instructions are helped. total cycles in shared programs: 188540038 -> 188539650 (<.01%) cycles in affected programs: 704574 -> 704186 (-0.06%) helped: 125 HURT: 84 helped stats (abs) min: 2 max: 96 x̄: 6.45 x̃: 4 helped stats (rel) min: <.01% max: 3.47% x̄: 0.42% x̃: 0.25% HURT stats (abs) min: 2 max: 58 x̄: 4.98 x̃: 4 HURT stats (rel) min: 0.01% max: 2.75% x̄: 0.36% x̃: 0.33% 95% mean confidence interval for cycles value: -3.20 -0.52 95% mean confidence interval for cycles %-change: -0.19% -0.03% Cycles are helped. GM45 total instructions in shared programs: 5008889 -> 5008830 (<.01%) instructions in affected programs: 8824 -> 8765 (-0.67%) helped: 52 HURT: 1 helped stats (abs) min: 1 max: 2 x̄: 1.17 x̃: 1 helped stats (rel) min: 0.25% max: 2.38% x̄: 0.86% x̃: 0.72% HURT stats (abs) min: 2 max: 2 x̄: 2.00 x̃: 2 HURT stats (rel) min: 0.45% max: 0.45% x̄: 0.45% x̃: 0.45% 95% mean confidence interval for instructions value: -1.27 -0.95 95% mean confidence interval for instructions %-change: -0.96% -0.71% Instructions are helped. total cycles in shared programs: 128969426 -> 128969128 (<.01%) cycles in affected programs: 399798 -> 399500 (-0.07%) helped: 74 HURT: 30 helped stats (abs) min: 2 max: 22 x̄: 6.76 x̃: 6 helped stats (rel) min: <.01% max: 1.83% x̄: 0.46% x̃: 0.29% HURT stats (abs) min: 2 max: 58 x̄: 6.73 x̃: 6 HURT stats (rel) min: 0.06% max: 2.75% x̄: 0.42% x̃: 0.21% 95% mean confidence interval for cycles value: -4.60 -1.14 95% mean confidence interval for cycles %-change: -0.32% -0.08% Cycles are helped. Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com> |
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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.html <https://mesa3d.org/install.html>`_), but the recommended way is to use Meson (`docs/meson.html <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 `Freenode's #dri-devel <irc://chat.freenode.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.html <https://mesa3d.org/bugs.html>`_). Contributing ------------ Contributions are welcome, and step-by-step instructions can be found in our documentation (`docs/submittingpatches.html <https://mesa3d.org/submittingpatches.html>`_). Note that Mesa uses email mailing-lists for patches submission, review and discussions.