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Shader-db results: The one shader hurt for instructions is a compute shader that had both spills and fills hurt. v2: Fix typo in comment noticed by Caio. v3: Fix inverted condition in brw_nir.c. Noticed by Lionel. Skylake, Broadwell, and Haswell had similar results. (Skylake shown) total instructions in shared programs: 15072761 -> 15047884 (-0.17%) instructions in affected programs: 895539 -> 870662 (-2.78%) helped: 3623 HURT: 1 helped stats (abs) min: 1 max: 181 x̄: 6.89 x̃: 4 helped stats (rel) min: 0.10% max: 25.00% x̄: 3.93% x̃: 3.20% HURT stats (abs) min: 92 max: 92 x̄: 92.00 x̃: 92 HURT stats (rel) min: 1.92% max: 1.92% x̄: 1.92% x̃: 1.92% 95% mean confidence interval for instructions value: -7.10 -6.63 95% mean confidence interval for instructions %-change: -4.03% -3.82% Instructions are helped. total cycles in shared programs: 369738930 -> 369535732 (-0.05%) cycles in affected programs: 68027851 -> 67824653 (-0.30%) helped: 2609 HURT: 1035 helped stats (abs) min: 1 max: 4508 x̄: 181.44 x̃: 77 helped stats (rel) min: <.01% max: 71.31% x̄: 9.14% x̃: 5.47% HURT stats (abs) min: 1 max: 33336 x̄: 261.04 x̃: 20 HURT stats (rel) min: <.01% max: 47.61% x̄: 2.93% x̃: 1.47% 95% mean confidence interval for cycles value: -96.43 -15.09 95% mean confidence interval for cycles %-change: -6.07% -5.36% Cycles are helped. total spills in shared programs: 10158 -> 10159 (<.01%) spills in affected programs: 166 -> 167 (0.60%) helped: 1 HURT: 1 total fills in shared programs: 22105 -> 22116 (0.05%) fills in affected programs: 837 -> 848 (1.31%) helped: 4 HURT: 1 Ivy Bridge total instructions in shared programs: 12021190 -> 11990256 (-0.26%) instructions in affected programs: 910561 -> 879627 (-3.40%) helped: 3344 HURT: 18 helped stats (abs) min: 1 max: 99 x̄: 9.29 x̃: 6 helped stats (rel) min: 0.11% max: 31.18% x̄: 5.19% x̃: 3.31% HURT stats (abs) min: 2 max: 20 x̄: 7.89 x̃: 6 HURT stats (rel) min: 0.70% max: 2.59% x̄: 1.63% x̃: 1.70% 95% mean confidence interval for instructions value: -9.49 -8.91 95% mean confidence interval for instructions %-change: -5.32% -4.98% Instructions are helped. total cycles in shared programs: 179077826 -> 178570196 (-0.28%) cycles in affected programs: 63205667 -> 62698037 (-0.80%) helped: 2767 HURT: 620 helped stats (abs) min: 1 max: 7531 x̄: 217.58 x̃: 88 helped stats (rel) min: <.01% max: 75.86% x̄: 9.59% x̃: 6.09% HURT stats (abs) min: 1 max: 31255 x̄: 152.27 x̃: 11 HURT stats (rel) min: <.01% max: 36.36% x̄: 2.77% x̃: 0.58% 95% mean confidence interval for cycles value: -173.94 -125.81 95% mean confidence interval for cycles %-change: -7.68% -6.97% Cycles are helped. Sandy Bridge total instructions in shared programs: 10852569 -> 10843758 (-0.08%) instructions in affected programs: 235803 -> 226992 (-3.74%) helped: 800 HURT: 0 helped stats (abs) min: 1 max: 88 x̄: 11.01 x̃: 8 helped stats (rel) min: 0.11% max: 23.08% x̄: 4.69% x̃: 3.36% 95% mean confidence interval for instructions value: -11.93 -10.10 95% mean confidence interval for instructions %-change: -4.99% -4.39% Instructions are helped. total cycles in shared programs: 154732047 -> 154608941 (-0.08%) cycles in affected programs: 4063110 -> 3940004 (-3.03%) helped: 606 HURT: 253 helped stats (abs) min: 1 max: 2524 x̄: 227.93 x̃: 62 helped stats (rel) min: 0.02% max: 39.24% x̄: 4.36% x̃: 1.81% HURT stats (abs) min: 1 max: 1966 x̄: 59.36 x̃: 11 HURT stats (rel) min: 0.02% max: 67.10% x̄: 3.22% x̃: 0.67% 95% mean confidence interval for cycles value: -170.49 -116.13 95% mean confidence interval for cycles %-change: -2.61% -1.65% Cycles are helped. No change on Iron Lake or GM45. Signed-off-by: Ian Romanick <ian.d.romanick@intel.com> Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> |
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| README.rst | ||
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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 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.