Ian Romanick
cb0de0a1d3
The path taken in fs_visitor::swizzle_nir_scratch_addr for DG2 generates some AND and OR instructions before the SHL. This commit folds those so the whold calculation becomes a constant (like on older platforms). v2: Fix return type of src_as_uint. Noticed by Marcin. shader-db results: DG2 total instructions in shared programs: 23190475 -> 23179540 (-0.05%) instructions in affected programs: 36026 -> 25091 (-30.35%) helped: 7 / HURT: 0 total cycles in shared programs: 841196807 -> 841142563 (<.01%) cycles in affected programs: 1660670 -> 1606426 (-3.27%) helped: 7 / HURT: 0 No shader-db changes on any older Intel platforms. fossil-db results: DG2 Totals: Instrs: 197780372 -> 197773966 (-0.00%) Cycles: 14066410782 -> 14066399378 (-0.00%); split: -0.00%, +0.00% Subgroup size: 8438104 -> 8438112 (+0.00%) Send messages: 8049445 -> 8049446 (+0.00%) Scratch Memory Size: 14263296 -> 14264320 (+0.01%) Totals from 9 (0.00% of 668055) affected shaders: Instrs: 24547 -> 18141 (-26.10%) Cycles: 1984791 -> 1973387 (-0.57%); split: -0.98%, +0.40% Subgroup size: 88 -> 96 (+9.09%) Send messages: 867 -> 868 (+0.12%) Scratch Memory Size: 69632 -> 70656 (+1.47%) No fossil-db changes on any older Intel platforms. Reviewed-by: Kenneth Graunke <kenneth@whitecape.org> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23884>
`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.