Ian Romanick 3aca80aabc nir: Transform expressions of b2f(a) and b2f(b) to !(a && b)
All Gen platforms had pretty similar results. (Skylake shown)
total cycles in shared programs: 532578400 -> 532578397 (<.01%)
cycles in affected programs: 2784 -> 2781 (-0.11%)
helped: 1
HURT: 1
helped stats (abs) min: 4 max: 4 x̄: 4.00 x̃: 4
helped stats (rel) min: 0.26% max: 0.26% x̄: 0.26% x̃: 0.26%
HURT stats (abs)   min: 1 max: 1 x̄: 1.00 x̃: 1
HURT stats (rel)   min: 0.08% max: 0.08% x̄: 0.08% x̃: 0.08%

v2: s/fmax/fmin/.  Noticed by Thomas Helland.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Thomas Helland <thomashelland90@gmail.com>
2018-08-04 01:12:03 -07:00
2016-08-30 16:44:00 -04:00
2017-09-06 17:48:50 +01:00
2018-08-03 18:36:11 -04:00
2018-06-16 18:09:20 +01:00
2018-08-03 18:36:11 -04:00
2018-08-03 18:36:11 -04:00
2018-08-01 20:33:00 +02:00
2018-08-02 18:00:15 +03:00

`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 status
------------

Travis:

.. image:: https://travis-ci.org/mesa3d/mesa.svg?branch=master
    :target: https://travis-ci.org/mesa3d/mesa

Appveyor:

.. image:: https://img.shields.io/appveyor/ci/mesa3d/mesa.svg
    :target: https://ci.appveyor.com/project/mesa3d/mesa

Coverity:

.. image:: https://scan.coverity.com/projects/139/badge.svg?flat=1
    :target: https://scan.coverity.com/projects/mesa


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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