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The principle is the same as the load_ssbo_uniform_block_intel. Whenever we see a uniform offset, load the data only once in GRFs to reduce register pressure. Iris shader-db run on DG2 : total instructions in shared programs: 23001325 -> 23094969 (0.41%) instructions in affected programs: 1775989 -> 1869633 (5.27%) helped: 764 HURT: 2097 helped stats (abs) min: 1 max: 102 x̄: 6.96 x̃: 2 helped stats (rel) min: 0.03% max: 16.91% x̄: 1.36% x̃: 0.63% HURT stats (abs) min: 1 max: 2461 x̄: 47.19 x̃: 7 HURT stats (rel) min: <.01% max: 199.34% x̄: 5.91% x̃: 2.60% 95% mean confidence interval for instructions value: 25.43 40.03 95% mean confidence interval for instructions %-change: 3.60% 4.33% Instructions are HURT. total loops in shared programs: 5847 -> 5847 (0.00%) loops in affected programs: 0 -> 0 helped: 0 HURT: 0 total cycles in shared programs: 839329852 -> 845491482 (0.73%) cycles in affected programs: 130229434 -> 136391064 (4.73%) helped: 1098 HURT: 2228 helped stats (abs) min: 1 max: 130102 x̄: 1340.64 x̃: 22 helped stats (rel) min: <.01% max: 64.25% x̄: 4.03% x̃: 0.71% HURT stats (abs) min: 1 max: 185309 x̄: 3426.24 x̃: 87 HURT stats (rel) min: <.01% max: 92.85% x̄: 8.12% x̃: 3.82% 95% mean confidence interval for cycles value: 1342.16 2362.97 95% mean confidence interval for cycles %-change: 3.70% 4.52% Cycles are HURT. total spills in shared programs: 10768 -> 11856 (10.10%) spills in affected programs: 9717 -> 10805 (11.20%) helped: 25 HURT: 28 total fills in shared programs: 13720 -> 16258 (18.50%) fills in affected programs: 12016 -> 14554 (21.12%) helped: 25 HURT: 28 total sends in shared programs: 1034790 -> 1031266 (-0.34%) sends in affected programs: 33416 -> 29892 (-10.55%) helped: 1005 HURT: 0 helped stats (abs) min: 1 max: 22 x̄: 3.51 x̃: 3 helped stats (rel) min: 1.69% max: 60.00% x̄: 15.20% x̃: 14.08% 95% mean confidence interval for sends value: -3.72 -3.29 95% mean confidence interval for sends %-change: -15.82% -14.57% Sends are helped. LOST: 26 GAINED: 183 shader-db on a number of VK/DX titles on DG2 : PERCENTAGE DELTAS Shaders Instrs Cycles age_of_wonders_III 1928 +0.02% -0.19% PERCENTAGE DELTAS Shaders Instrs Cycles Subgroup size Send messages Spill count Fill count Max live registers Max dispatch width assassins_creed_odyssey 2119 +1.12% -0.42% -0.03% -0.29% -9.10% -4.26% -0.64% +0.65% PERCENTAGE DELTAS Shaders Instrs Cycles Spill count Fill count Max live registers aztec_ruins_high 269 -0.05% -0.45% -0.29% -7.27% -0.33% PERCENTAGE DELTAS Shaders Instrs Cycles Max live registers Max dispatch width dark_souls_3_dxvk_g2 1420 +0.09% +0.24% +0.21% +0.12% (stats look bad, but it's just one shader affected) PERCENTAGE DELTAS Shaders Instrs Cycles Spill count Fill count Scratch Memory Size Max live registers fallout_4_dxvk_g2 1638 +0.67% +8.32% +16.02% +7.17% +100.00% +0.48% PERCENTAGE DELTAS Shaders Instrs Cycles Send messages Spill count Fill count Max live registers Max dispatch width red_dead_redemption2 5969 +0.16% -0.04% -0.04% +0.01% +0.05% -0.20% +0.04% PERCENTAGE DELTAS Shaders Instrs Cycles Send messages Max live registers Max dispatch width rise_of_the_tomb_raider_g2 12129 +2.19% +1.36% -1.23% -0.36% +2.04% PERCENTAGE DELTAS Shaders Instrs Cycles Send messages Max live registers shooter-game 693 +0.07% -0.89% -0.09% -0.09% PERCENTAGE DELTAS Shaders Instrs Cycles Send messages Max live registers Max dispatch width talos_g2 1140 +0.37% +3.80% -0.86% -0.67% +0.19% PERCENTAGE DELTAS Shaders Instrs Cycles Max live registers Max dispatch width total_war_warhammer2 477 +0.25% +0.66% -0.17% +0.10% PERCENTAGE DELTAS Shaders Instrs Cycles Send messages Max live registers Max dispatch width witcher_3_dxvk_g2 1074 +0.75% -10.45% -0.15% -0.16% -0.16% PERCENTAGE DELTAS Shaders Instrs Cycles Send messages Max live registers wolfenstein_youngblood 1111 +0.52% +0.66% -0.59% -0.03% Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Reviewed-by: Kenneth Graunke <kenneth@whitecape.org> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23477> |
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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://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.