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06eb9fb125
I noticed the SGE case while looking at the output of shaders/closed/steam/trine-2/fp-3.shader_test on i915g. These are especially bad on i915 that needs two instructions to implement SNE. An alternative would be to duplicate the sne(sXX(a, b), 0.0) rules in an algebraic pass that occurs after bool_to_float. Doing the work earlier seems preferable. i915 total instructions in shared programs: 788274 -> 788223 (<.01%) instructions in affected programs: 666 -> 615 (-7.66%) helped: 5 HURT: 0 helped stats (abs) min: 9 max: 12 x̄: 10.20 x̃: 9 helped stats (rel) min: 5.00% max: 11.11% x̄: 8.12% x̃: 8.16% 95% mean confidence interval for instructions value: -12.24 -8.16 95% mean confidence interval for instructions %-change: -10.81% -5.43% Instructions are helped. LOST: 0 GAINED: 2 The two gained shaders are assembly fragment programs in Euro Truck Simulator 2. Reviewed-by: Emma Anholt <emma@anholt.net> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15210> |
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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.