e103afe7be
Perf A/B testing on DG2: no changes
Perf A/B testing on BMG: +2.1% Blackops3, +1.5% Cyberpunk
DG2 stats (mostly insignificant):
Assassins Creed Valhalla:
Totals from 1169 (55.67% of 2100) affected shaders:
Instrs: 509237 -> 509215 (-0.00%)
Cycle count: 30614325 -> 30607419 (-0.02%); split: -0.03%, +0.00%
Non SSA regs after NIR: 83434 -> 85909 (+2.97%)
Blackops 3:
Totals from 1045 (64.63% of 1617) affected shaders:
Instrs: 527312 -> 527310 (-0.00%)
Cycle count: 496912222 -> 496902846 (-0.00%); split: -0.00%, +0.00%
Non SSA regs after NIR: 106883 -> 109095 (+2.07%)
Cyberpunk:
Totals from 706 (56.03% of 1260) affected shaders:
Instrs: 345976 -> 345974 (-0.00%); split: -0.00%, +0.00%
Cycle count: 9775138 -> 9775472 (+0.00%); split: -0.00%, +0.00%
Max live registers: 40295 -> 40297 (+0.00%)
Non SSA regs after NIR: 93245 -> 94718 (+1.58%)
Fortnite:
Totals from 4210 (55.98% of 7521) affected shaders:
Instrs: 2205471 -> 2205469 (-0.00%)
Cycle count: 91451040 -> 91450956 (-0.00%); split: -0.00%, +0.00%
Non SSA regs after NIR: 952354 -> 961664 (+0.98%)
LNL stats (notable changes):
Assassins Creed Valhalla:
Totals from 1684 (83.57% of 2015) affected shaders:
Instrs: 774305 -> 764501 (-1.27%); split: -1.27%, +0.01%
Cycle count: 58845842 -> 58699250 (-0.25%); split: -0.98%, +0.73%
Spill count: 625 -> 638 (+2.08%)
Fill count: 1490 -> 1503 (+0.87%)
Scratch Memory Size: 41984 -> 44032 (+4.88%)
Max live registers: 196424 -> 197561 (+0.58%); split: -0.10%, +0.68%
Blackops 3:
Totals from 1125 (76.53% of 1470) affected shaders:
Instrs: 781749 -> 773275 (-1.08%); split: -1.08%, +0.00%
Subgroup size: 22896 -> 22912 (+0.07%)
Cycle count: 659864454 -> 654641032 (-0.79%); split: -1.10%, +0.31%
Max live registers: 116772 -> 116854 (+0.07%); split: -0.01%, +0.08%
Non SSA regs after NIR: 172648 -> 168260 (-2.54%); split: -2.55%, +0.01%
Control:
Totals from 378 (51.50% of 734) affected shaders:
Instrs: 148184 -> 147544 (-0.43%)
Cycle count: 6905200 -> 6913366 (+0.12%); split: -0.30%, +0.42%
Max live registers: 41271 -> 41281 (+0.02%)
Non SSA regs after NIR: 44964 -> 43868 (-2.44%); split: -2.45%, +0.01%
Cyberpunk:
Totals from 1141 (92.46% of 1234) affected shaders:
Instrs: 636744 -> 629333 (-1.16%)
Subgroup size: 24256 -> 24272 (+0.07%)
Cycle count: 24952258 -> 24801298 (-0.60%); split: -1.39%, +0.78%
Max live registers: 125848 -> 126855 (+0.80%); split: -0.00%, +0.80%
Non SSA regs after NIR: 127399 -> 119837 (-5.94%); split: -5.95%, +0.02%
Fortnite:
Totals from 5497 (83.52% of 6582) affected shaders:
Instrs: 4072831 -> 4041852 (-0.76%); split: -0.77%, +0.01%
Subgroup size: 103296 -> 103312 (+0.02%)
Cycle count: 133046874 -> 132789242 (-0.19%); split: -0.67%, +0.48%
Spill count: 7218 -> 7254 (+0.50%); split: -0.33%, +0.83%
Fill count: 11724 -> 11749 (+0.21%); split: -0.34%, +0.55%
Scratch Memory Size: 591872 -> 599040 (+1.21%)
Max live registers: 816530 -> 818522 (+0.24%); split: -0.01%, +0.26%
Non SSA regs after NIR: 1610296 -> 1560284 (-3.11%); split: -3.11%, +0.00%
Hitman3:
Totals from 4713 (92.39% of 5101) affected shaders:
Instrs: 2731598 -> 2698224 (-1.22%)
Cycle count: 186422098 -> 185472640 (-0.51%); split: -1.12%, +0.61%
Spill count: 3244 -> 3242 (-0.06%)
Fill count: 9937 -> 9933 (-0.04%)
Max live registers: 585035 -> 589801 (+0.81%); split: -0.00%, +0.82%
Non SSA regs after NIR: 347681 -> 324314 (-6.72%); split: -6.73%, +0.01%
Hogwarts Legacy:
Totals from 930 (59.81% of 1555) affected shaders:
Instrs: 464146 -> 459526 (-1.00%); split: -1.00%, +0.01%
Subgroup size: 19104 -> 19120 (+0.08%)
Cycle count: 24062460 -> 24078964 (+0.07%); split: -0.49%, +0.56%
Spill count: 2068 -> 1964 (-5.03%); split: -5.22%, +0.19%
Fill count: 2342 -> 2205 (-5.85%); split: -6.40%, +0.56%
Scratch Memory Size: 147456 -> 141312 (-4.17%)
Max live registers: 112384 -> 112787 (+0.36%); split: -0.08%, +0.44%
Non SSA regs after NIR: 80293 -> 79161 (-1.41%); split: -1.72%, +0.32%
Metro Exodus:
Totals from 29755 (78.62% of 37846) affected shaders:
Instrs: 11495578 -> 11492951 (-0.02%); split: -0.02%, +0.00%
Subgroup size: 644688 -> 644704 (+0.00%)
Cycle count: 301572068 -> 301548054 (-0.01%); split: -0.03%, +0.02%
Max live registers: 3369504 -> 3370454 (+0.03%); split: -0.00%, +0.03%
Non SSA regs after NIR: 2476561 -> 2396090 (-3.25%); split: -3.27%, +0.02%
Red Dead Redemption 2:
Totals from 4161 (78.61% of 5293) affected shaders:
Instrs: 2428782 -> 2409032 (-0.81%); split: -0.82%, +0.00%
Subgroup size: 85344 -> 85360 (+0.02%)
Cycle count: 8514984142 -> 8533415324 (+0.22%); split: -0.02%, +0.23%
Spill count: 4659 -> 4674 (+0.32%); split: -0.02%, +0.34%
Fill count: 11236 -> 11231 (-0.04%); split: -0.19%, +0.14%
Scratch Memory Size: 398336 -> 397312 (-0.26%)
Max live registers: 473946 -> 475798 (+0.39%); split: -0.08%, +0.47%
Non SSA regs after NIR: 616820 -> 567706 (-7.96%); split: -8.09%, +0.12%
Rise Of The Tomb Raider:
Totals from 68 (46.58% of 146) affected shaders:
Instrs: 28209 -> 27801 (-1.45%)
Subgroup size: 1584 -> 1600 (+1.01%)
Cycle count: 16182992 -> 16249364 (+0.41%); split: -0.97%, +1.38%
Max live registers: 7320 -> 7296 (-0.33%); split: -0.38%, +0.05%
Non SSA regs after NIR: 8438 -> 8207 (-2.74%); split: -2.82%, +0.08%
Spiderman Remastered:
Totals from 6403 (93.87% of 6821) affected shaders:
Instrs: 5662713 -> 5597949 (-1.14%); split: -1.28%, +0.14%
Cycle count: 282861519016 -> 279806958122 (-1.08%); split: -1.26%, +0.18%
Spill count: 61150 -> 60754 (-0.65%); split: -1.13%, +0.48%
Fill count: 162597 -> 163190 (+0.36%); split: -0.84%, +1.21%
Scratch Memory Size: 5834752 -> 5804032 (-0.53%); split: -0.70%, +0.18%
Max live registers: 901926 -> 903820 (+0.21%); split: -0.01%, +0.22%
Non SSA regs after NIR: 555053 -> 521016 (-6.13%); split: -6.14%, +0.01%
Signed-off-by: Rohan Garg <rohan.garg@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35252>
`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.