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read-only mirror of https://gitlab.freedesktop.org/mesa/mesa
133ef9f94b
Only use LDS for VGPR spilling if we can use addtid access, to avoid having a VGPR addr. Limit to single wave workgroups, to avoid needing the wave_id for the offset. If we have a scratch stack pointer, don't use LDS at all. Limit LDS spilling to not reduce occupancy further. Note that in theory, this can still limit occupancy of other shaders running on the CU at the same time, but that's unlikely and impossible to know at this point. Removes all scratch usage in emulated FSR4 and parallel_rdp. Besides that, only a single GoW shader is affected. Foz-DB Navi31: Totals from 9 (0.01% of 114641) affected shaders: Instrs: 68863 -> 68830 (-0.05%); split: -0.07%, +0.02% CodeSize: 416108 -> 416000 (-0.03%); split: -0.05%, +0.02% LDS: 2048 -> 45056 (+2100.00%) Scratch: 261888 -> 220672 (-15.74%) Latency: 727951 -> 657155 (-9.73%); split: -9.73%, +0.00% InvThroughput: 418644 -> 383269 (-8.45%) VClause: 1506 -> 1200 (-20.32%) Copies: 10651 -> 10624 (-0.25%) VALU: 48700 -> 48684 (-0.03%) SALU: 6200 -> 6199 (-0.02%); split: -0.05%, +0.03% VMEM: 4139 -> 3589 (-13.29%) VOPD: 580 -> 574 (-1.03%) Reviewed-by: Daniel Schürmann <daniel@schuermann.dev> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/36367> |
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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.