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1279f12c84
At this point, using the per-register granularity will only help in conjuction with fragment shader discard (which is implemented using f1). v2: Loop restructuring and code cleanups. Suggested by Curro. v3: Only apply Wa on Gfx12.5+. Suggested by Curro. v4: Also apply to implicit flag reads. Suggested by Curro. This version affects a *lot* more shaders (10,936 on Meteor Lake shader-db versus 4,482 before). The results are still very much in the 🤷 territory. v5: Add missing dependency. I thought I got them all the previous time. :( Noticed by Curro. shader-db: Lunar Lake total cycles in shared programs: 886315282 -> 886391040 (<.01%) cycles in affected programs: 204907250 -> 204983008 (0.04%) helped: 1 / HURT: 6716 LOST: 0 GAINED: 1 Meteor Lake and DG2 had similar results. (Meteor Lake shown) total cycles in shared programs: 883774789 -> 883921507 (0.02%) cycles in affected programs: 481836784 -> 481983502 (0.03%) helped: 4 / HURT: 10936 LOST: 3 GAINED: 7 fossil-db: Lunar Lake Totals: Cycle count: 32600441334 -> 32601862658 (+0.00%); split: -0.00%, +0.00% Totals from 90283 (11.44% of 789260) affected shaders: Cycle count: 17265933202 -> 17267354526 (+0.01%); split: -0.00%, +0.01% Meteor Lake and DG2 had similar results. (Meteor Lake shown) Totals: Cycle count: 26477292677 -> 26480321805 (+0.01%); split: -0.00%, +0.01% Max dispatch width: 8010440 -> 8010984 (+0.01%) Totals from 132952 (14.71% of 903925) affected shaders: Cycle count: 15349555348 -> 15352584476 (+0.02%); split: -0.00%, +0.02% Max dispatch width: 1085416 -> 1085960 (+0.05%) Reviewed-by: Francisco Jerez <currojerez@riseup.net> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35415> |
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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.rst <https://docs.mesa3d.org/install.html>`_), but the recommended way is to use Meson (`docs/meson.rst <https://docs.mesa3d.org/meson.html>`_): .. code-block:: sh $ meson setup build $ ninja -C build/ $ sudo ninja -C build/ 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://docs.mesa3d.org/bugs.html>`_). Contributing ------------ Contributions are welcome, and step-by-step instructions can be found in our documentation (`docs/submittingpatches.rst <https://docs.mesa3d.org/submittingpatches.html>`_). Note that Mesa uses gitlab for patches submission, review and discussions.