Ian Romanick 6603948a7a nir/algebraic: Lower some bfi with two constant sources
All Haswell and newer Intel platforms had similar results. (Ice Lake shown)
total instructions in shared programs: 19907054 -> 19906882 (<.01%)
instructions in affected programs: 8103 -> 7931 (-2.12%)
helped: 52 / HURT: 0

total cycles in shared programs: 855779334 -> 855781791 (<.01%)
cycles in affected programs: 724201 -> 726658 (0.34%)
helped: 38 / HURT: 7

total sends in shared programs: 1039308 -> 1039302 (<.01%)
sends in affected programs: 162 -> 156 (-3.70%)
helped: 2 / HURT: 0

No shader-db changes on any older Intel platforms.

All Intel platforms had similar restuls. (Ice Lake shown)
Totals:
Instrs: 153117340 -> 152825222 (-0.19%); split: -0.19%, +0.00%
Cycles: 15011904351 -> 15014072944 (+0.01%); split: -0.04%, +0.05%
Send messages: 7711509 -> 7711421 (-0.00%)
Spill count: 100745 -> 99907 (-0.83%); split: -0.85%, +0.02%
Fill count: 203684 -> 202459 (-0.60%); split: -0.62%, +0.02%
Scratch Memory Size: 4403200 -> 4376576 (-0.60%)

Totals from 18603 (2.81% of 662496) affected shaders:
Instrs: 5258303 -> 4966185 (-5.56%); split: -5.56%, +0.00%
Cycles: 447391388 -> 449559981 (+0.48%); split: -1.29%, +1.77%
Send messages: 559231 -> 559143 (-0.02%)
Spill count: 5009 -> 4171 (-16.73%); split: -17.17%, +0.44%
Fill count: 8769 -> 7544 (-13.97%); split: -14.33%, +0.36%
Scratch Memory Size: 194560 -> 167936 (-13.68%)

Reviewed-by: Matt Turner <mattst88@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19968>
2023-06-14 18:49:53 +00:00
2022-11-22 19:04:13 +00:00
2022-01-19 15:17:17 +00:00
2022-11-21 23:09:30 +00:00
2023-06-14 17:39:29 +00:00
2023-06-09 19:31:20 +00:00
2023-04-13 08:45:17 +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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