Timur Kristóf
836204da25
Add a new special case for binary merge blocks to boolean phi lowerig. This special case benefits shaders that have divergent branches with an empty else block, for example all NGG culling shaders. Fossil DB stats on Rembrandt (NGG culling enabled): Totals from 61778 (45.79% of 134913) affected shaders: SpillVGPRs: 2268 -> 2284 (+0.71%); split: -1.10%, +1.81% CodeSize: 164317952 -> 162962772 (-0.82%); split: -0.83%, +0.00% Instrs: 31249824 -> 30910686 (-1.09%); split: -1.09%, +0.00% Latency: 154948555 -> 154781097 (-0.11%); split: -0.12%, +0.02% InvThroughput: 30397664 -> 30370872 (-0.09%); split: -0.13%, +0.04% VClause: 529239 -> 529229 (-0.00%); split: -0.00%, +0.00% SClause: 783417 -> 783430 (+0.00%) Copies: 2627570 -> 2595161 (-1.23%); split: -1.25%, +0.02% Branches: 976506 -> 976508 (+0.00%); split: -0.00%, +0.00% Fossil DB stats on GFX11 (NGG culling disabled): Totals from 895 (0.66% of 134913) affected shaders: SpillVGPRs: 2258 -> 2322 (+2.83%); split: -0.44%, +3.28% CodeSize: 6229152 -> 6215880 (-0.21%); split: -0.37%, +0.16% Scratch: 216576 -> 215808 (-0.35%); split: -0.47%, +0.12% Instrs: 1202077 -> 1198396 (-0.31%); split: -0.43%, +0.13% Latency: 15921336 -> 16000561 (+0.50%); split: -0.74%, +1.24% InvThroughput: 7425765 -> 7474891 (+0.66%); split: -0.67%, +1.33% VClause: 22976 -> 23008 (+0.14%); split: -0.03%, +0.17% SClause: 38269 -> 38271 (+0.01%) Copies: 123244 -> 123896 (+0.53%); split: -0.30%, +0.83% Branches: 47570 -> 47574 (+0.01%); split: -0.00%, +0.01% Signed-off-by: Timur Kristóf <timur.kristof@gmail.com> Reviewed-by: Daniel Schürmann <daniel@schuermann.dev> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21493>
`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.