Ian Romanick c63ea755fe intel/fs: Use nir_opt_uniform_subgroup
shader-db:

All Skylake and newer platforms had similar results. (Ice Lake shown)
total instructions in shared programs: 20300435 -> 20300384 (<.01%)
instructions in affected programs: 303 -> 252 (-16.83%)
helped: 2 / HURT: 0

total cycles in shared programs: 842810326 -> 842809750 (<.01%)
cycles in affected programs: 8374 -> 7798 (-6.88%)
helped: 2 / HURT: 0

fossil-db:

All Intel platforms (note below) had similar results. (Ice Lake shown)
Instrs: 165559735 -> 165551893 (-0.00%)
Cycles: 15133083961 -> 15132539132 (-0.00%); split: -0.00%, +0.00%
Spill count: 45262 -> 45258 (-0.01%)
Fill count: 74293 -> 74286 (-0.01%)

Totals from 854 (0.13% of 656120) affected shaders:
Instrs: 3461998 -> 3454156 (-0.23%)
Cycles: 154252729 -> 153707900 (-0.35%); split: -0.36%, +0.01%
Spill count: 2655 -> 2651 (-0.15%)
Fill count: 3881 -> 3874 (-0.18%)

DG2 did not see changes in spills or fills.

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27044>
2024-02-27 08:38:45 -08:00
2022-11-22 19:04:13 +00:00
2024-01-24 10:02:10 +00:00
2023-11-02 11:37:46 +00:00
2024-01-24 10:53:14 +00:00
2024-01-11 11:05:47 +00:00

`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.
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