Ian Romanick 379cf3bb87 intel/vec4: Try immediate sources for dot products too
No changes on any Gen8 or later platform because those platforms do not
use the vec4 backend.

All Haswell and earlier platforms has similar results. (Haswell shown)
total instructions in shared programs: 13484467 -> 13484431 (<.01%)
instructions in affected programs: 8540 -> 8504 (-0.42%)
helped: 33
HURT: 0
helped stats (abs) min: 1 max: 2 x̄: 1.09 x̃: 1
helped stats (rel) min: 0.31% max: 1.53% x̄: 0.49% x̃: 0.35%
95% mean confidence interval for instructions value: -1.19 -0.99
95% mean confidence interval for instructions %-change: -0.60% -0.38%
Instructions are helped.

total cycles in shared programs: 376420572 -> 376420286 (<.01%)
cycles in affected programs: 56260 -> 55974 (-0.51%)
helped: 26
HURT: 5
helped stats (abs) min: 2 max: 204 x̄: 11.85 x̃: 2
helped stats (rel) min: 0.11% max: 3.08% x̄: 0.39% x̃: 0.13%
HURT stats (abs)   min: 2 max: 6 x̄: 4.40 x̃: 6
HURT stats (rel)   min: 0.03% max: 0.35% x̄: 0.24% x̃: 0.35%
95% mean confidence interval for cycles value: -22.91 4.45
95% mean confidence interval for cycles %-change: -0.56% -0.02%
Inconclusive result (value mean confidence interval includes 0).

Reviewed-by: Matt Turner <mattst88@gmail.com>
2019-06-28 17:16:16 -07:00
2019-04-29 21:17:19 +00:00
2019-05-24 18:44:18 +00:00
2019-04-15 13:44:34 -07:00
2018-08-16 13:52:56 -07:00
2019-05-07 16:02:34 +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.html
<https://mesa3d.org/install.html>`_), but the recommended way is to use
Meson (`docs/meson.html <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 `Freenode's #dri-devel
<irc://chat.freenode.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.html <https://mesa3d.org/bugs.html>`_).


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

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

Note that Mesa uses email mailing-lists for patches submission, review and
discussions.
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