Vasily Khoruzhick 6528ee4228 lima: ppir: reuse load_temp/store_temp nodes if possible
Currently spilling code operates on individual ops rather than on
instructions, and as a result it may create a redundant load_temp op if
an instruction references spilling register several times.

Similarly, it creates multiple stores if there are multiple ops in the
instruction that write different components of the register.

Check whether the instruction already contains a necessary load_temp or
store_temp and reuse it if possible.

shader-db:

total instructions in shared programs: 27718 -> 27673 (-0.16%)
instructions in affected programs: 2786 -> 2741 (-1.62%)
helped: 18
HURT: 0
helped stats (abs) min: 1 max: 8 x̄: 2.50 x̃: 1
helped stats (rel) min: 0.39% max: 5.33% x̄: 2.05% x̃: 0.80%
95% mean confidence interval for instructions value: -3.70 -1.30
95% mean confidence interval for instructions %-change: -3.09% -1.01%
Instructions are helped.

total loops in shared programs: 4 -> 4 (0.00%)
loops in affected programs: 0 -> 0
helped: 0
HURT: 0

total spills in shared programs: 390 -> 381 (-2.31%)
spills in affected programs: 145 -> 136 (-6.21%)
helped: 9
HURT: 0

total fills in shared programs: 1210 -> 1174 (-2.98%)
fills in affected programs: 149 -> 113 (-24.16%)
helped: 9
HURT: 0

LOST:   0
GAINED: 0

Reviewed-by: Erico Nunes <nunes.erico@gmail.com>
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33753>
2025-03-06 01:48:55 +00:00
2025-03-05 07:15:31 +00:00
2022-11-22 19:04:13 +00:00
2025-02-23 00:31:59 +01:00
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2024-11-18 22:29:14 +00:00
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`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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