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09705747d7
Moving the add to the other end of the sequence allows it to be fused
into an FMA.
Ice Lake
total instructions in shared programs: 17173074 -> 16933147 (-1.40%)
instructions in affected programs: 7938745 -> 7698818 (-3.02%)
helped: 35583
HURT: 90
helped stats (abs) min: 1 max: 716 x̄: 6.75 x̃: 6
helped stats (rel) min: 0.10% max: 53.04% x̄: 5.29% x̃: 3.45%
HURT stats (abs) min: 1 max: 41 x̄: 2.46 x̃: 1
HURT stats (rel) min: 0.32% max: 8.33% x̄: 1.41% x̃: 0.77%
95% mean confidence interval for instructions value: -6.80 -6.65
95% mean confidence interval for instructions %-change: -5.32% -5.22%
Instructions are helped.
total cycles in shared programs: 360881386 -> 359533568 (-0.37%)
cycles in affected programs: 189489144 -> 188141326 (-0.71%)
helped: 27250
HURT: 6707
helped stats (abs) min: 1 max: 21997 x̄: 62.15 x̃: 16
helped stats (rel) min: <.01% max: 70.69% x̄: 4.04% x̃: 2.35%
HURT stats (abs) min: 1 max: 3507 x̄: 51.56 x̃: 14
HURT stats (rel) min: <.01% max: 77.26% x̄: 2.72% x̃: 1.27%
95% mean confidence interval for cycles value: -44.70 -34.68
95% mean confidence interval for cycles %-change: -2.75% -2.65%
Cycles are helped.
total spills in shared programs: 8943 -> 8829 (-1.27%)
spills in affected programs: 625 -> 511 (-18.24%)
helped: 6
HURT: 3
total fills in shared programs: 21815 -> 21719 (-0.44%)
fills in affected programs: 1653 -> 1557 (-5.81%)
helped: 7
HURT: 10
LOST: 11
GAINED: 3
Skylake and Broadwell had similar results. (Skylake shown)
total instructions in shared programs: 15271996 -> 15040882 (-1.51%)
instructions in affected programs: 7193699 -> 6962585 (-3.21%)
helped: 33985
HURT: 30
helped stats (abs) min: 1 max: 260 x̄: 6.80 x̃: 6
helped stats (rel) min: 0.10% max: 30.00% x̄: 5.54% x̃: 3.85%
HURT stats (abs) min: 1 max: 41 x̄: 4.00 x̃: 3
HURT stats (rel) min: 0.20% max: 2.16% x̄: 1.46% x̃: 1.72%
95% mean confidence interval for instructions value: -6.87 -6.72
95% mean confidence interval for instructions %-change: -5.59% -5.48%
Instructions are helped.
total cycles in shared programs: 355520785 -> 354253799 (-0.36%)
cycles in affected programs: 185869148 -> 184602162 (-0.68%)
helped: 25824
HURT: 6287
helped stats (abs) min: 1 max: 21997 x̄: 61.66 x̃: 16
helped stats (rel) min: <.01% max: 42.05% x̄: 4.18% x̃: 2.41%
HURT stats (abs) min: 1 max: 3327 x̄: 51.76 x̃: 14
HURT stats (rel) min: <.01% max: 101.62% x̄: 2.80% x̃: 1.28%
95% mean confidence interval for cycles value: -44.70 -34.21
95% mean confidence interval for cycles %-change: -2.87% -2.76%
Cycles are helped.
total spills in shared programs: 8835 -> 8818 (-0.19%)
spills in affected programs: 613 -> 596 (-2.77%)
helped: 5
HURT: 2
total fills in shared programs: 21738 -> 21744 (0.03%)
fills in affected programs: 1348 -> 1354 (0.45%)
helped: 5
HURT: 11
LOST: 0
GAINED: 12
Haswell
total instructions in shared programs: 13447102 -> 13381508 (-0.49%)
instructions in affected programs: 3770735 -> 3705141 (-1.74%)
helped: 11999
HURT: 29
helped stats (abs) min: 1 max: 409 x̄: 5.60 x̃: 3
helped stats (rel) min: 0.10% max: 20.00% x̄: 2.38% x̃: 1.87%
HURT stats (abs) min: 3 max: 750 x̄: 54.90 x̃: 3
HURT stats (rel) min: 0.12% max: 125.30% x̄: 9.96% x̃: 1.82%
95% mean confidence interval for instructions value: -5.71 -5.19
95% mean confidence interval for instructions %-change: -2.39% -2.30%
Instructions are helped.
total cycles in shared programs: 376342236 -> 375690458 (-0.17%)
cycles in affected programs: 155699021 -> 155047243 (-0.42%)
helped: 8397
HURT: 2876
helped stats (abs) min: 1 max: 20248 x̄: 109.87 x̃: 18
helped stats (rel) min: <.01% max: 40.71% x̄: 2.23% x̃: 1.49%
HURT stats (abs) min: 1 max: 15414 x̄: 94.15 x̃: 22
HURT stats (rel) min: <.01% max: 432.49% x̄: 3.15% x̃: 1.41%
95% mean confidence interval for cycles value: -67.64 -48.00
95% mean confidence interval for cycles %-change: -0.99% -0.74%
Cycles are helped.
total spills in shared programs: 23134 -> 23184 (0.22%)
spills in affected programs: 1675 -> 1725 (2.99%)
helped: 13
HURT: 11
total fills in shared programs: 34550 -> 34686 (0.39%)
fills in affected programs: 1421 -> 1557 (9.57%)
helped: 13
HURT: 11
LOST: 0
GAINED: 11
Ivy Bridge
total instructions in shared programs: 12019642 -> 11987285 (-0.27%)
instructions in affected programs: 1532236 -> 1499879 (-2.11%)
helped: 5522
HURT: 110
helped stats (abs) min: 1 max: 312 x̄: 6.22 x̃: 3
helped stats (rel) min: 0.16% max: 20.00% x̄: 2.46% x̃: 1.88%
HURT stats (abs) min: 1 max: 750 x̄: 18.07 x̃: 3
HURT stats (rel) min: 0.09% max: 125.30% x̄: 3.42% x̃: 1.15%
95% mean confidence interval for instructions value: -6.25 -5.24
95% mean confidence interval for instructions %-change: -2.43% -2.26%
Instructions are helped.
total cycles in shared programs: 180214667 -> 179761900 (-0.25%)
cycles in affected programs: 31448723 -> 30995956 (-1.44%)
helped: 7191
HURT: 2838
helped stats (abs) min: 1 max: 17680 x̄: 88.47 x̃: 17
helped stats (rel) min: <.01% max: 50.45% x̄: 2.16% x̃: 1.40%
HURT stats (abs) min: 1 max: 15540 x̄: 64.63 x̃: 24
HURT stats (rel) min: 0.02% max: 435.17% x̄: 3.10% x̃: 1.51%
95% mean confidence interval for cycles value: -53.34 -36.95
95% mean confidence interval for cycles %-change: -0.81% -0.53%
Cycles are helped.
total spills in shared programs: 3599 -> 3642 (1.19%)
spills in affected programs: 1180 -> 1223 (3.64%)
helped: 12
HURT: 2
total fills in shared programs: 4031 -> 4162 (3.25%)
fills in affected programs: 876 -> 1007 (14.95%)
helped: 12
HURT: 2
LOST: 6
GAINED: 5
Sandy Bridge
total instructions in shared programs: 10850686 -> 10822890 (-0.26%)
instructions in affected programs: 1247986 ->
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| .gitlab-ci | ||
| bin | ||
| build-support | ||
| docs | ||
| doxygen | ||
| include | ||
| scons | ||
| scripts | ||
| src | ||
| .dir-locals.el | ||
| .editorconfig | ||
| .gitattributes | ||
| .gitignore | ||
| .gitlab-ci.yml | ||
| .mailmap | ||
| .travis.yml | ||
| Android.common.mk | ||
| Android.mk | ||
| appveyor.yml | ||
| CleanSpec.mk | ||
| common.py | ||
| meson.build | ||
| meson_options.txt | ||
| README.rst | ||
| REVIEWERS | ||
| SConstruct | ||
| VERSION | ||
`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.