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Adding the b2i(a) == 1 and b2i(a) != 1 patterns also helps prevent regressions when spurious negations are removed from integer equality comparisons, as is done in !33498. v2: Make all variables part of the iteration instead of calculating some of them. Suggested by Alyssa. shader-db: All Intel platforms had similar results. (Lunar Lake shown) total instructions in shared programs: 16973331 -> 16973309 (<.01%) instructions in affected programs: 266 -> 244 (-8.27%) helped: 2 / HURT: 0 total cycles in shared programs: 915620774 -> 915620550 (<.01%) cycles in affected programs: 4360 -> 4136 (-5.14%) helped: 2 / HURT: 0 fossil-db: All Intel platforms had similar results. (Lunar Lake shown) Totals: Instrs: 209748011 -> 209748003 (-0.00%) Cycle count: 30514920286 -> 30514920400 (+0.00%); split: -0.00%, +0.00% Non SSA regs after NIR: 237334726 -> 237334710 (-0.00%) Totals from 8 (0.00% of 706651) affected shaders: Instrs: 16956 -> 16948 (-0.05%) Cycle count: 261052 -> 261166 (+0.04%); split: -0.92%, +0.96% Non SSA regs after NIR: 20000 -> 19984 (-0.08%) Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io> Reviewed-by: Georg Lehmann <dadschoorse@gmail.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33648> |
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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://docs.mesa3d.org/install.html>`_), but the recommended way is to use Meson (`docs/meson.rst <https://docs.mesa3d.org/meson.html>`_): .. code-block:: sh $ meson setup build $ ninja -C build/ $ sudo ninja -C build/ 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://docs.mesa3d.org/bugs.html>`_). Contributing ------------ Contributions are welcome, and step-by-step instructions can be found in our documentation (`docs/submittingpatches.rst <https://docs.mesa3d.org/submittingpatches.html>`_). Note that Mesa uses gitlab for patches submission, review and discussions.