Konstantin 4d09cd7fa5 nir/lower_non_uniform_access: Group accesses using the same resource
Avoids emitting the waterfall loop for every access if they use the same
resource:

waterfall_loop {
   access
}
waterfall_loop {
   access
}

->

waterfall_loop {
   access
   access
}

Totals from 276 (0.33% of 84770) affected shaders:
MaxWaves: 3360 -> 3356 (-0.12%)
Instrs: 3759927 -> 3730650 (-0.78%)
CodeSize: 21125784 -> 20899580 (-1.07%)
VGPRs: 23096 -> 23104 (+0.03%)
Latency: 35593716 -> 35315455 (-0.78%); split: -0.78%, +0.00%
InvThroughput: 7353071 -> 7297309 (-0.76%); split: -0.76%, +0.00%
VClause: 120983 -> 118579 (-1.99%)
SClause: 113073 -> 110671 (-2.12%)
Copies: 358272 -> 348686 (-2.68%)
Branches: 166706 -> 159500 (-4.32%)
PreSGPRs: 18598 -> 18596 (-0.01%)
PreVGPRs: 21417 -> 21424 (+0.03%); split: -0.01%, +0.04%
VALU: 2354862 -> 2350053 (-0.20%)
SALU: 582291 -> 567638 (-2.52%)
SMEM: 139875 -> 137473 (-1.72%)

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30509>
2024-11-11 07:53:13 +00:00
2022-11-22 19:04:13 +00:00
2024-09-20 11:03:50 +00:00
2023-11-02 11:37:46 +00:00
2024-05-13 14:32:12 +00:00
2024-11-06 07:53:21 +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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