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pan/bi: Fuse fclamp_pos and fsat_signed

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Mostly interesting now that we fuse clamps.

total instructions in shared programs: 149562 -> 148927 (-0.42%)
instructions in affected programs: 37195 -> 36560 (-1.71%)
helped: 233
HURT: 0
helped stats (abs) min: 1 max: 10 x̄: 2.73 x̃: 2
helped stats (rel) min: 0.22% max: 17.39% x̄: 2.19% x̃: 1.72%
95% mean confidence interval for instructions value: -2.97 -2.48
95% mean confidence interval for instructions %-change: -2.44% -1.94%
Instructions are helped.

total tuples in shared programs: 130487 -> 130122 (-0.28%)
tuples in affected programs: 25693 -> 25328 (-1.42%)
helped: 179
HURT: 12
helped stats (abs) min: 1 max: 10 x̄: 2.11 x̃: 2
helped stats (rel) min: 0.26% max: 25.00% x̄: 2.52% x̃: 1.70%
HURT stats (abs)   min: 1 max: 1 x̄: 1.00 x̃: 1
HURT stats (rel)   min: 0.61% max: 0.68% x̄: 0.65% x̃: 0.66%
95% mean confidence interval for tuples value: -2.15 -1.68
95% mean confidence interval for tuples %-change: -2.74% -1.91%
Tuples are helped.

total clauses in shared programs: 27827 -> 27761 (-0.24%)
clauses in affected programs: 1407 -> 1341 (-4.69%)
helped: 56
HURT: 0
helped stats (abs) min: 1 max: 4 x̄: 1.18 x̃: 1
helped stats (rel) min: 1.79% max: 14.29% x̄: 6.11% x̃: 5.26%
95% mean confidence interval for clauses value: -1.32 -1.03
95% mean confidence interval for clauses %-change: -7.00% -5.23%
Clauses are helped.

total quadwords in shared programs: 118563 -> 118248 (-0.27%)
quadwords in affected programs: 19859 -> 19544 (-1.59%)
helped: 144
HURT: 16
helped stats (abs) min: 1 max: 10 x̄: 2.30 x̃: 2
helped stats (rel) min: 0.29% max: 16.00% x̄: 2.65% x̃: 2.13%
HURT stats (abs)   min: 1 max: 1 x̄: 1.00 x̃: 1
HURT stats (rel)   min: 0.47% max: 2.00% x̄: 0.80% x̃: 0.76%
95% mean confidence interval for quadwords value: -2.27 -1.66
95% mean confidence interval for quadwords %-change: -2.67% -1.93%
Quadwords are helped.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11327>
This commit is contained in:
Alyssa Rosenzweig 2021-06-10 20:37:35 -04:00 • committed by Marge Bot
parent 295e65bb50
commit 0c4de24f15
1 changed files with 5 additions and 0 deletions
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5
src/panfrost/bifrost/bifrost_nir_algebraic.py
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@ -31,6 +31,11 @@ c = 'c'
algebraic_late = [
# Canonical form. The scheduler will convert back if it makes sense.
(('fmul', a, 2.0), ('fadd', a, a)),
# Fuse Mali-specific clamps
(('fmin', ('fmax', a, -1.0), 1.0), ('fsat_signed', a)),
(('fmax', ('fmin', a, 1.0), -1.0), ('fsat_signed', a)),
(('fmax', a, 0.0), ('fclamp_pos', a)),
]