Alyssa Rosenzweig bcb2cf9688 agx: Write to r0l with a "nesting" instruction
This avoids modeling the r0l register explicitly in the IR, which would
complicate RA for little benefit at this stage. Do the simplest thing
that could possibly work in SSA.

glmark2 subset.

total instructions in shared programs: 6442 -> 6442 (0.00%)
instructions in affected programs: 701 -> 701 (0.00%)
helped: 4
HURT: 5
helped stats (abs) min: 1.0 max: 3.0 x̄: 2.00 x̃: 2
helped stats (rel) min: 1.46% max: 7.69% x̄: 4.03% x̃: 3.48%
HURT stats (abs)   min: 1.0 max: 3.0 x̄: 1.60 x̃: 1
HURT stats (rel)   min: 0.81% max: 7.41% x̄: 2.67% x̃: 1.14%
95% mean confidence interval for instructions value: -1.58 1.58
95% mean confidence interval for instructions %-change: -3.70% 3.08%
Inconclusive result (value mean confidence interval includes 0).

total bytes in shared programs: 42196 -> 42186 (-0.02%)
bytes in affected programs: 7768 -> 7758 (-0.13%)
helped: 8
HURT: 5
helped stats (abs) min: 2.0 max: 18.0 x̄: 7.25 x̃: 4
helped stats (rel) min: 0.13% max: 7.26% x̄: 2.02% x̃: 0.97%
HURT stats (abs)   min: 6.0 max: 18.0 x̄: 9.60 x̃: 6
HURT stats (rel)   min: 0.82% max: 6.32% x̄: 2.37% x̃: 1.02%
95% mean confidence interval for bytes value: -7.02 5.48
95% mean confidence interval for bytes %-change: -2.30% 1.63%
Inconclusive result (value mean confidence interval includes 0).

total halfregs in shared programs: 1926 -> 1769 (-8.15%)
halfregs in affected programs: 1395 -> 1238 (-11.25%)
helped: 71
HURT: 0
helped stats (abs) min: 1.0 max: 10.0 x̄: 2.21 x̃: 2
helped stats (rel) min: 1.92% max: 52.63% x̄: 15.33% x̃: 11.76%
95% mean confidence interval for halfregs value: -2.69 -1.73
95% mean confidence interval for halfregs %-change: -17.98% -12.68%
Halfregs are helped.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18804>
2022-10-14 01:37:39 +00:00
2022-10-08 16:36:36 -05:00
2022-10-12 19:26:01 +00:00
2022-09-12 05:58:12 +00:00
2022-01-19 15:17:17 +00:00
2022-10-07 18:38:45 +00:00
2022-10-01 03:17:33 +00:00
2022-08-03 17:16:14 +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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