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mesa/src/compiler
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Ian Romanick 4425f4786a nir: Transform expressions of b2f(a) and b2f(b) to !(a || b) 
All Gen6+ platforms had similar results. (Skylake shown)
total instructions in shared programs: 14276961 -> 14276892 (<.01%)
instructions in affected programs: 3215 -> 3146 (-2.15%)
helped: 28
HURT: 0
helped stats (abs) min: 1 max: 6 x̄: 2.46 x̃: 2
helped stats (rel) min: 0.47% max: 9.52% x̄: 4.34% x̃: 1.92%
95% mean confidence interval for instructions value: -2.87 -2.06
95% mean confidence interval for instructions %-change: -5.73% -2.95%
Instructions are helped.

total cycles in shared programs: 532577068 -> 532578400 (<.01%)
cycles in affected programs: 121864 -> 123196 (1.09%)
helped: 35
HURT: 30
helped stats (abs) min: 2 max: 268 x̄: 42.34 x̃: 22
helped stats (rel) min: 0.12% max: 12.14% x̄: 3.22% x̃: 1.86%
HURT stats (abs)   min: 2 max: 246 x̄: 93.80 x̃: 36
HURT stats (rel)   min: 0.09% max: 13.63% x̄: 4.47% x̃: 2.58%
95% mean confidence interval for cycles value: -5.02 46.01
95% mean confidence interval for cycles %-change: -0.99% 1.65%
Inconclusive result (value mean confidence interval includes 0).

Iron Lake and GM45 had similar results. (Iron Lake shown)
total instructions in shared programs: 7781299 -> 7781342 (<.01%)
instructions in affected programs: 22300 -> 22343 (0.19%)
helped: 13
HURT: 40
helped stats (abs) min: 2 max: 3 x̄: 2.85 x̃: 3
helped stats (rel) min: 1.15% max: 7.69% x̄: 3.72% x̃: 3.33%
HURT stats (abs)   min: 2 max: 2 x̄: 2.00 x̃: 2
HURT stats (rel)   min: 0.26% max: 1.30% x̄: 0.47% x̃: 0.43%
95% mean confidence interval for instructions value: 0.23 1.39
95% mean confidence interval for instructions %-change: -1.18% 0.07%
Inconclusive result (%-change mean confidence interval includes 0).

total cycles in shared programs: 177878928 -> 177879332 (<.01%)
cycles in affected programs: 383298 -> 383702 (0.11%)
helped: 7
HURT: 43
helped stats (abs) min: 2 max: 18 x̄: 10.00 x̃: 10
helped stats (rel) min: 0.17% max: 4.81% x̄: 2.62% x̃: 3.40%
HURT stats (abs)   min: 2 max: 38 x̄: 11.02 x̃: 12
HURT stats (rel)   min: 0.08% max: 1.54% x̄: 0.25% x̃: 0.09%
95% mean confidence interval for cycles value: 5.21 10.95
95% mean confidence interval for cycles %-change: -0.51% 0.21%
Inconclusive result (%-change mean confidence interval includes 0).

v2: s/fmin/fmax/.  Noticed by Thomas Helland.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Thomas Helland <thomashelland90@gmail.com>
2018-08-04 01:12:03 -07:00
..
glsl glsl: use util_snprintf() 2018-08-02 10:06:44 +03:00
nir nir: Transform expressions of b2f(a) and b2f(b) to !(a || b) 2018-08-04 01:12:03 -07:00
spirv compiler/spirv: add XFB and GeometryStreams capability check support 2018-07-31 13:33:28 +02:00
.gitignore nir/spirv: Remove a duplicate spirv2nir from .gitignore 2016-10-04 07:43:15 -07:00
Android.glsl.gen.mk Android: clean-up trailing '\' in make variables 2017-03-22 17:52:06 +00:00
Android.glsl.mk android: glsl: build shader cache sources 2017-02-20 16:30:37 +00:00
Android.mk Android: glsl: add rules to generate ir_expression*.h header files 2016-09-06 15:58:55 +01:00
Android.nir.gen.mk Android: fix a missing nir_intrinsics.h error 2018-07-21 08:50:23 +02:00
Android.nir.mk android: fix libmesa_nir build 2017-07-21 08:47:56 +03:00
blob.c compiler/blob: Add blob_skip_bytes 2018-07-09 23:02:33 -07:00
blob.h compiler/blob: Add blob_skip_bytes 2018-07-09 23:02:33 -07:00
builtin_type_macros.h glsl_types: vec8/vec16 support 2018-03-25 10:42:54 -04:00
glsl_types.cpp glsl: use util_snprintf() 2018-08-02 10:06:44 +03:00
glsl_types.h nir: add 16bit type information to glsl types 2018-07-23 23:16:25 +02:00
Makefile.am autotools: Include new meson files 2018-04-20 20:26:56 -07:00
Makefile.glsl.am glsl: fold glcpp-test-cr-lf.sh into glcpp-test.sh 2018-06-21 12:09:39 +01:00
Makefile.nir.am nir: Fix a typo in src/compiler/Makefile.nir.am 2018-04-09 08:32:45 -06:00
Makefile.sources nir/linker: Add the start of a pure-NIR linker for XFB 2018-07-31 13:33:37 +02:00
Makefile.spirv.am spirv: autotools: add vtn_gather_types_c.py in distribution tarball 2018-04-10 10:37:46 +02:00
meson.build meson: remove dummy_cpp 2018-04-24 14:08:15 -07:00
nir_types.cpp nir/types: Add a wrapper to access gl_type 2018-07-31 13:33:37 +02:00
nir_types.h nir/types: Add a wrapper to access gl_type 2018-07-31 13:33:37 +02:00
SConscript spirv: Fix building with SCons 2018-03-30 14:33:03 -06:00
SConscript.glsl mesa: Remove prog_hash_table.c 2016-09-12 10:48:35 +10:00
SConscript.nir nir: mako all the intrinsics 2018-03-27 08:36:37 -04:00
SConscript.spirv spirv: Fix building with SCons 2018-03-30 14:33:03 -06:00
shader_enums.c nir/spirv: implement BuiltInWorkDim 2018-07-15 07:51:13 +02:00
shader_enums.h nir/spirv: implement BuiltInWorkDim 2018-07-15 07:51:13 +02:00
shader_info.h compiler/spirv: add XFB and GeometryStreams capability check support 2018-07-31 13:33:28 +02:00