e5963478c2
This patch enables removal of arbitrary channels in load_const instructions, if they are either unused or duplicates of other channels and only used by ALU. Totals from 692 (0.51% of 134913) affected shaders: (GFX10.3) VGPRs: 21832 -> 21544 (-1.32%) CodeSize: 1322016 -> 1313080 (-0.68%); split: -0.68%, +0.01% Instrs: 243635 -> 242231 (-0.58%); split: -0.58%, +0.00% Latency: 1856138 -> 1857237 (+0.06%); split: -0.09%, +0.15% InvThroughput: 424298 -> 421671 (-0.62%); split: -0.62%, +0.01% VClause: 4580 -> 4583 (+0.07%); split: -0.02%, +0.09% SClause: 14336 -> 14354 (+0.13%); split: -0.04%, +0.17% Copies: 8897 -> 8859 (-0.43%); split: -0.45%, +0.02% PreSGPRs: 20439 -> 20437 (-0.01%) PreVGPRs: 16011 -> 15907 (-0.65%); split: -0.97%, +0.32% i915g: total instructions in shared programs: 396471 -> 396309 (-0.04%) instructions in affected programs: 6408 -> 6246 (-2.53%) total const in shared programs: 56458 -> 56422 (-0.06%) const in affected programs: 407 -> 371 (-8.85%) LOST: shaders/closed/steam/trine-2/fp-3.shader_test FS r300: total instructions in shared programs: 1164421 -> 1165059 (0.05%) instructions in affected programs: 143981 -> 144619 (0.44%) total temps in shared programs: 165488 -> 165497 (<.01%) temps in affected programs: 318 -> 327 (2.83%) total consts in shared programs: 922140 -> 921952 (-0.02%) consts in affected programs: 12438 -> 12250 (-1.51%) softpipe: total instructions in shared programs: 2859978 -> 2860028 (<.01%) instructions in affected programs: 183355 -> 183405 (0.03%) total temps in shared programs: 517071 -> 516939 (-0.03%) temps in affected programs: 1416 -> 1284 (-9.32%) total imm in shared programs: 103601 -> 102767 (-0.81%) imm in affected programs: 3928 -> 3094 (-21.23%) Acked-by: Emma Anholt <emma@anholt.net> Reviewed-by: Ian Romanick <ian.d.romanick@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12468>
`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.