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read-only mirror of https://gitlab.freedesktop.org/mesa/mesa
7c64623e94
The previous approach attempted to construct phi nodes on-demand and on-the-fly. Due to several bugs, it became necessary to always create incomplete phis for all live-in variables on loop headers, which is highly inefficient. The new approach assumes that live-in variables on loop- headers don't get renamed, and afterwards does one renaming pass per loop nest. This greatly simplifies the code and reduces the memory footprint. Totals from 37 (0.03% of 136546) affected shaders (Navi10): CodeSize: 588148 -> 588020 (-0.02%); split: -0.03%, +0.01% Instrs: 111793 -> 111761 (-0.03%); split: -0.04%, +0.01% Latency: 4546013 -> 4545611 (-0.01%); split: -0.02%, +0.01% InvThroughput: 2806217 -> 2805730 (-0.02%); split: -0.03%, +0.01% VClause: 2044 -> 2046 (+0.10%) SClause: 3889 -> 3884 (-0.13%) Copies: 17730 -> 17700 (-0.17%); split: -0.23%, +0.06% Branches: 3282 -> 3280 (-0.06%) Reviewed-by: Rhys Perry <pendingchaos02@gmail.com> Acked-by: Tony Wasserka <tony.wasserka@gmx.de> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9763> |
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| README.rst | ||
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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 `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.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.