mesa/src/panfrost
Alyssa Rosenzweig 23968aeeb5 pan/mdg: Scalarize LUT instructions in NIR
Simpler. Small shaderdb regressions from using IR registers instead of
SSA, but that's probably what we needed for correctness (given that SSA
is violated otherwise) hence the Cc.

total instructions in shared programs: 1520220 -> 1518127 (-0.14%)
instructions in affected programs: 167437 -> 165344 (-1.25%)
helped: 662
HURT: 206
helped stats (abs) min: 1.0 max: 46.0 x̄: 3.65 x̃: 2
helped stats (rel) min: 0.18% max: 22.22% x̄: 2.43% x̃: 1.71%
HURT stats (abs)   min: 1.0 max: 7.0 x̄: 1.56 x̃: 1
HURT stats (rel)   min: 0.17% max: 8.33% x̄: 2.66% x̃: 2.33%
95% mean confidence interval for instructions value: -2.65 -2.18
95% mean confidence interval for instructions %-change: -1.45% -0.99%
Instructions are helped.

total bundles in shared programs: 649844 -> 649345 (-0.08%)
bundles in affected programs: 59278 -> 58779 (-0.84%)
helped: 577
HURT: 249
helped stats (abs) min: 1.0 max: 39.0 x̄: 1.56 x̃: 1
helped stats (rel) min: 0.26% max: 30.00% x̄: 3.13% x̃: 2.19%
HURT stats (abs)   min: 1.0 max: 12.0 x̄: 1.61 x̃: 1
HURT stats (rel)   min: 0.58% max: 25.00% x̄: 5.25% x̃: 4.00%
95% mean confidence interval for bundles value: -0.78 -0.43
95% mean confidence interval for bundles %-change: -0.98% -0.23%
Bundles are helped.

total quadwords in shared programs: 1136767 -> 1134956 (-0.16%)
quadwords in affected programs: 141780 -> 139969 (-1.28%)
helped: 744
HURT: 311
helped stats (abs) min: 1.0 max: 9.0 x̄: 3.13 x̃: 2
helped stats (rel) min: 0.14% max: 26.67% x̄: 2.77% x̃: 2.13%
HURT stats (abs)   min: 1.0 max: 8.0 x̄: 1.68 x̃: 1
HURT stats (rel)   min: 0.35% max: 10.00% x̄: 3.17% x̃: 1.69%
95% mean confidence interval for quadwords value: -1.89 -1.54
95% mean confidence interval for quadwords %-change: -1.27% -0.77%
Quadwords are helped.

total registers in shared programs: 90461 -> 90273 (-0.21%)
registers in affected programs: 2833 -> 2645 (-6.64%)
helped: 250
HURT: 82
helped stats (abs) min: 1.0 max: 2.0 x̄: 1.08 x̃: 1
helped stats (rel) min: 6.67% max: 33.33% x̄: 14.06% x̃: 12.50%
HURT stats (abs)   min: 1.0 max: 1.0 x̄: 1.00 x̃: 1
HURT stats (rel)   min: 6.67% max: 50.00% x̄: 13.90% x̃: 12.50%
95% mean confidence interval for registers value: -0.67 -0.47
95% mean confidence interval for registers %-change: -8.62% -5.69%
Registers are helped.

total threads in shared programs: 55685 -> 55686 (<.01%)
threads in affected programs: 76 -> 77 (1.32%)
helped: 20
HURT: 17
helped stats (abs) min: 1.0 max: 2.0 x̄: 1.30 x̃: 1
helped stats (rel) min: 100.00% max: 100.00% x̄: 100.00% x̃: 100.00%
HURT stats (abs)   min: 1.0 max: 2.0 x̄: 1.47 x̃: 1
HURT stats (rel)   min: 50.00% max: 50.00% x̄: 50.00% x̃: 50.00%
95% mean confidence interval for threads value: -0.47 0.52
95% mean confidence interval for threads %-change: 5.81% 56.35%
Inconclusive result (value mean confidence interval includes 0).

total spills in shared programs: 1387 -> 1379 (-0.58%)
spills in affected programs: 283 -> 275 (-2.83%)
helped: 5
HURT: 1

total fills in shared programs: 5256 -> 5176 (-1.52%)
fills in affected programs: 557 -> 477 (-14.36%)
helped: 5
HURT: 1

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19350>
2023-01-16 22:20:43 +00:00
..
ci panfrost: Remove experimental v7-only indirect draw path 2022-12-23 16:27:16 +00:00
compiler pan/bi: Add a unit test for fsat(reg.yx) 2023-01-16 15:29:38 +00:00
drm-shim panfrost: clang-format the tree 2022-12-24 02:22:57 +00:00
ds panfrost: clang-format the tree 2022-12-24 02:22:57 +00:00
include panfrost: clang-format the tree 2022-12-24 02:22:57 +00:00
lib panfrost: Remove unused debug parameter 2023-01-16 16:57:47 +00:00
midgard pan/mdg: Scalarize LUT instructions in NIR 2023-01-16 22:20:43 +00:00
perf panfrost: clang-format the tree 2022-12-24 02:22:57 +00:00
shared panfrost: clang-format the tree 2022-12-24 02:22:57 +00:00
tools panfrost: clang-format the tree 2022-12-24 02:22:57 +00:00
util panfrost: clang-format the tree 2022-12-24 02:22:57 +00:00
vulkan panvk: Fix null pointer dereference on cmd_buffer->ops 2022-12-26 12:57:07 +00:00
.clang-format panfrost: Add clang-format file 2022-12-24 02:22:57 +00:00
meson.build pan/bi: Rename panfrost/bifrost -> panfrost/compiler 2023-01-02 17:54:48 +00:00