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aa322a37fc
This kills helper invocations to ensure that subsequent memory accesses don't fetch unused memory and unnecessary branch divergence from helper invocations is eliminated. shader-db results: total instructions in shared programs: 3840580 -> 3841531 (0.02%) instructions in affected programs: 278416 -> 279367 (0.34%) helped: 0 HURT: 744 HURT stats (abs) min: 1 max: 16 x̄: 1.28 x̃: 1 HURT stats (rel) min: 0.05% max: 8.51% x̄: 0.75% x̃: 0.39% 95% mean confidence interval for instructions value: 1.22 1.34 95% mean confidence interval for instructions %-change: 0.67% 0.83% Instructions are HURT. total nops in shared programs: 866716 -> 867667 (0.11%) nops in affected programs: 72851 -> 73802 (1.31%) helped: 0 HURT: 744 HURT stats (abs) min: 1 max: 16 x̄: 1.28 x̃: 1 HURT stats (rel) min: 0.17% max: 33.33% x̄: 2.84% x̃: 1.82% 95% mean confidence interval for nops value: 1.22 1.34 95% mean confidence interval for nops %-change: 2.59% 3.08% Nops are HURT. total last-baryf in shared programs: 139806 -> 139864 (0.04%) last-baryf in affected programs: 11772 -> 11830 (0.49%) helped: 0 HURT: 58 HURT stats (abs) min: 1 max: 1 x̄: 1.00 x̃: 1 HURT stats (rel) min: 0.40% max: 5.26% x̄: 0.60% x̃: 0.47% 95% mean confidence interval for last-baryf value: 1.00 1.00 95% mean confidence interval for last-baryf %-change: 0.42% 0.78% Last-baryf are HURT. total last-helper in shared programs: 1508295 -> 935561 (-37.97%) last-helper in affected programs: 1192594 -> 619860 (-48.02%) helped: 7816 HURT: 3 helped stats (abs) min: 1 max: 1095 x̄: 73.28 x̃: 34 helped stats (rel) min: 0.42% max: 100.00% x̄: 71.91% x̃: 100.00% HURT stats (abs) min: 1 max: 11 x̄: 4.67 x̃: 2 HURT stats (rel) min: 0.80% max: 1.44% x̄: 1.03% x̃: 0.86% 95% mean confidence interval for last-helper value: -75.64 -70.86 95% mean confidence interval for last-helper %-change: -72.67% -71.10% Last-helper are helped. fossil-db results: Totals: Instrs: 55172795 -> 55189122 (+0.03%) CodeSize: 108952746 -> 108984452 (+0.03%) NOPs: 11536680 -> 11553007 (+0.14%) (ss)-stall: 4166810 -> 4166581 (-0.01%) (sy)-stall: 15890324 -> 15884974 (-0.03%) last-baryf: 659588 -> 659633 (+0.01%) last-helper: 25742996 -> 12601636 (-51.05%); split: -51.05%, +0.00% Cat0: 12294891 -> 12311218 (+0.13%) Totals from 39576 (25.22% of 156916) affected shaders: Instrs: 24200008 -> 24216335 (+0.07%) CodeSize: 44968736 -> 45000442 (+0.07%) NOPs: 5854965 -> 5871292 (+0.28%) (ss)-stall: 2357830 -> 2357601 (-0.01%) (sy)-stall: 6166670 -> 6161320 (-0.09%) last-baryf: 590330 -> 590375 (+0.01%) last-helper: 24160432 -> 11019072 (-54.39%); split: -54.39%, +0.00% Cat0: 6205561 -> 6221888 (+0.26%) Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24433> |
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| README.rst | ||
| 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.rst <https://mesa3d.org/install.html>`_), but the recommended way is to use Meson (`docs/meson.rst <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 `OFTC's #dri-devel <irc://irc.oftc.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.rst <https://mesa3d.org/bugs.html>`_). Contributing ------------ Contributions are welcome, and step-by-step instructions can be found in our documentation (`docs/submittingpatches.rst <https://mesa3d.org/submittingpatches.html>`_). Note that Mesa uses gitlab for patches submission, review and discussions.