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v2: After some review discussion with Alyssa, the replacements now correct account for cases where (b+c) >= bitsize. v3: Use a temporary to simplify the Python code quite a bit. Suggested by Jason. Haswell and all Gen8+ platforms had similar results. (Ice Lake shown) total instructions in shared programs: 16251155 -> 16249576 (<.01%) instructions in affected programs: 232627 -> 231048 (-0.68%) helped: 547 HURT: 1 helped stats (abs) min: 1 max: 15 x̄: 2.89 x̃: 3 helped stats (rel) min: 0.04% max: 7.84% x̄: 1.14% x̃: 1.06% HURT stats (abs) min: 2 max: 2 x̄: 2.00 x̃: 2 HURT stats (rel) min: 0.12% max: 0.12% x̄: 0.12% x̃: 0.12% 95% mean confidence interval for instructions value: -3.12 -2.65 95% mean confidence interval for instructions %-change: -1.20% -1.06% Instructions are helped. total cycles in shared programs: 365924392 -> 365372103 (-0.15%) cycles in affected programs: 59207053 -> 58654764 (-0.93%) helped: 497 HURT: 34 helped stats (abs) min: 1 max: 29300 x̄: 1118.16 x̃: 16 helped stats (rel) min: <.01% max: 10.59% x̄: 1.82% x̃: 1.82% HURT stats (abs) min: 2 max: 424 x̄: 101.03 x̃: 63 HURT stats (rel) min: 0.07% max: 46.17% x̄: 4.72% x̃: 2.06% 95% mean confidence interval for cycles value: -1426.41 -653.77 95% mean confidence interval for cycles %-change: -1.66% -1.15% Cycles are helped. total spills in shared programs: 8870 -> 8871 (0.01%) spills in affected programs: 104 -> 105 (0.96%) helped: 0 HURT: 1 Ivy Bridge and all pre-Gen7 platforms had similar results. (Ivy Bridge shown) total instructions in shared programs: 11956236 -> 11955635 (<.01%) instructions in affected programs: 94110 -> 93509 (-0.64%) helped: 106 HURT: 0 helped stats (abs) min: 1 max: 14 x̄: 5.67 x̃: 4 helped stats (rel) min: 0.12% max: 4.71% x̄: 1.96% x̃: 0.76% 95% mean confidence interval for instructions value: -6.62 -4.72 95% mean confidence interval for instructions %-change: -2.27% -1.64% Instructions are helped. total cycles in shared programs: 179296340 -> 178788044 (-0.28%) cycles in affected programs: 51009603 -> 50501307 (-1.00%) helped: 82 HURT: 7 helped stats (abs) min: 5 max: 27820 x̄: 6199.00 x̃: 16 helped stats (rel) min: 0.30% max: 8.16% x̄: 2.58% x̃: 3.11% HURT stats (abs) min: 2 max: 8 x̄: 3.14 x̃: 2 HURT stats (rel) min: 0.02% max: 1.40% x̄: 0.34% x̃: 0.10% 95% mean confidence interval for cycles value: -7649.38 -3773.00 95% mean confidence interval for cycles %-change: -2.71% -1.99% Cycles are helped. Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> [v2] Reviewed-by: Jason Ekstrand <jason@jlekstrand.net> |
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| CleanSpec.mk | ||
| common.py | ||
| meson.build | ||
| meson_options.txt | ||
| README.rst | ||
| REVIEWERS | ||
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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 & 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.