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5b140428b0
We have twice the registers in this case so it makes sense to double this as well. While this causes slight regressions in shader-db stats (due to additional register pressure), it helps us hide latency of memory reads better on 2-thread compiles, where the thread switch mechanism will be less effective. This shows a ~3% performance improvement on the UE4 SunTemple demo. total instructions in shared programs: 12642413 -> 12656164 (0.11%) instructions in affected programs: 2272652 -> 2286403 (0.61%) helped: 2924 HURT: 3389 total uniforms in shared programs: 3703861 -> 3704776 (0.02%) uniforms in affected programs: 213729 -> 214644 (0.43%) helped: 823 HURT: 1272 total max-temps in shared programs: 2150686 -> 2153505 (0.13%) max-temps in affected programs: 191332 -> 194151 (1.47%) helped: 1900 HURT: 1891 total spills in shared programs: 3255 -> 3274 (0.58%) spills in affected programs: 166 -> 185 (11.45%) helped: 3 HURT: 6 total fills in shared programs: 4630 -> 4656 (0.56%) fills in affected programs: 367 -> 393 (7.08%) helped: 7 HURT: 15 Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15276> |
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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.