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0885ed10f5
This is less heavy handed, avoiding unnecessary stalls after SENDs in a bunch of common cases. The stats (SIMD32) are: Totals: CodeSize: 70345392 -> 71674272 (+1.89%) Totals from 1774 (67.02% of 2647) affected shaders: CodeSize: 67359248 -> 68688128 (+1.97%) What's happening here is we are inserting extra SYNC.nop instructions in a bunch of cases for the .src preceding the eventual .dst. However, putting aside the i-cache impact for a moment, this is showing the optimization doing what it should (deferring dst syncs and inserting cheaper src syncs first). So this should be positive in reality despite the negative stat impact. The most hurt shaders are pooling up SYNC.nop's at the end of blocks due to local-only SWSB and lack of SYNC.allwr optimization. The latter is added later in this MR. The former is planned. Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com> Reviewed-by: Kenneth Graunke <kenneth@whitecape.org> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/41398> |
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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.