Ian Romanick 7eab2cb67e brw/nir: Treat load_workgroup_id as convergent
v2: Fix for Xe2.

shader-db:

Lunar Lake Meteor Lake, DG2, and Tiger Lake had similar results. (Lunar Lake shown)
total instructions in shared programs: 18096526 -> 18096500 (<.01%)
instructions in affected programs: 6759 -> 6733 (-0.38%)
helped: 9 / HURT: 3

total cycles in shared programs: 921727804 -> 921841300 (0.01%)
cycles in affected programs: 110049730 -> 110163226 (0.10%)
helped: 90 / HURT: 372

Ice Lake and Skylake had similar results. (Ice Lake shown)
total instructions in shared programs: 20496591 -> 20496402 (<.01%)
instructions in affected programs: 48757 -> 48568 (-0.39%)
helped: 25 / HURT: 8

total cycles in shared programs: 875253948 -> 875237902 (<.01%)
cycles in affected programs: 56760140 -> 56744094 (-0.03%)
helped: 363 / HURT: 34

total spills in shared programs: 4555 -> 4546 (-0.20%)
spills in affected programs: 174 -> 165 (-5.17%)
helped: 2 / HURT: 0

total fills in shared programs: 5243 -> 5224 (-0.36%)
fills in affected programs: 382 -> 363 (-4.97%)
helped: 2 / HURT: 0

fossil-db:

All Intel platforms had similar results. (Lunar Lake shown)
Totals:
Instrs: 141811577 -> 141811551 (-0.00%); split: -0.00%, +0.00%
Cycle count: 22173792370 -> 22183128332 (+0.04%); split: -0.00%, +0.04%
Max live registers: 48053498 -> 48053415 (-0.00%)

Totals from 3911 (0.71% of 551443) affected shaders:
Instrs: 2164804 -> 2164778 (-0.00%); split: -0.00%, +0.00%
Cycle count: 2404062476 -> 2413398438 (+0.39%); split: -0.02%, +0.41%
Max live registers: 413583 -> 413500 (-0.02%)

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29884>
2024-12-24 18:09:59 -08:00
2024-12-24 17:40:48 +00:00
2022-11-22 19:04:13 +00:00
2023-11-02 11:37:46 +00:00
2024-05-13 14:32:12 +00:00
2024-11-18 22:29:14 +00:00
2024-11-07 17:57:57 +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://docs.mesa3d.org/install.html>`_), but the recommended way is to use
Meson (`docs/meson.rst <https://docs.mesa3d.org/meson.html>`_):

.. code-block:: sh

  $ meson setup build
  $ ninja -C build/
  $ sudo ninja -C build/ 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://docs.mesa3d.org/bugs.html>`_).


Contributing
------------

Contributions are welcome, and step-by-step instructions can be found in our
documentation (`docs/submittingpatches.rst
<https://docs.mesa3d.org/submittingpatches.html>`_).

Note that Mesa uses gitlab for patches submission, review and discussions.
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