Ian Romanick 54e8d2268d nir: Narrow some dot product operations ... On vector platforms, this helps elide some constant loads. v2: Reorder the transformations. No changes on Broadwell or Skylake. Haswell total instructions in shared programs: 13093793 -> 13060163 (-0.26%) instructions in affected programs: 1277532 -> 1243902 (-2.63%) helped: 13216 HURT: 95 helped stats (abs) min: 1 max: 18 x̄: 2.56 x̃: 2 helped stats (rel) min: 0.21% max: 20.00% x̄: 3.63% x̃: 2.78% HURT stats (abs) min: 1 max: 6 x̄: 1.77 x̃: 1 HURT stats (rel) min: 0.09% max: 5.56% x̄: 1.25% x̃: 1.19% 95% mean confidence interval for instructions value: -2.57 -2.49 95% mean confidence interval for instructions %-change: -3.65% -3.54% Instructions are helped. total cycles in shared programs: 409580819 -> 409268463 (-0.08%) cycles in affected programs: 71730652 -> 71418296 (-0.44%) helped: 9898 HURT: 2352 helped stats (abs) min: 2 max: 16014 x̄: 37.08 x̃: 16 helped stats (rel) min: <.01% max: 35.55% x̄: 6.26% x̃: 4.50% HURT stats (abs) min: 2 max: 276 x̄: 23.25 x̃: 6 HURT stats (rel) min: <.01% max: 40.00% x̄: 3.54% x̃: 1.97% 95% mean confidence interval for cycles value: -33.19 -17.80 95% mean confidence interval for cycles %-change: -4.50% -4.26% Cycles are helped. total fills in shared programs: 82059 -> 82052 (<.01%) fills in affected programs: 21 -> 14 (-33.33%) helped: 7 HURT: 0 Sandy Bridge and Ivy Bridge had similar results (Ivy Bridge shown) total instructions in shared programs: 11811851 -> 11780605 (-0.26%) instructions in affected programs: 1155007 -> 1123761 (-2.71%) helped: 12304 HURT: 95 helped stats (abs) min: 1 max: 18 x̄: 2.55 x̃: 2 helped stats (rel) min: 0.21% max: 20.00% x̄: 3.69% x̃: 2.86% HURT stats (abs) min: 1 max: 6 x̄: 1.77 x̃: 1 HURT stats (rel) min: 0.09% max: 5.56% x̄: 1.25% x̃: 1.19% 95% mean confidence interval for instructions value: -2.56 -2.48 95% mean confidence interval for instructions %-change: -3.71% -3.59% Instructions are helped. total cycles in shared programs: 257618409 -> 257316805 (-0.12%) cycles in affected programs: 71999580 -> 71697976 (-0.42%) helped: 9155 HURT: 2380 helped stats (abs) min: 2 max: 16014 x̄: 38.44 x̃: 16 helped stats (rel) min: <.01% max: 35.75% x̄: 6.39% x̃: 4.62% HURT stats (abs) min: 2 max: 290 x̄: 21.14 x̃: 4 HURT stats (rel) min: <.01% max: 41.55% x̄: 3.14% x̃: 1.33% 95% mean confidence interval for cycles value: -34.32 -17.97 95% mean confidence interval for cycles %-change: -4.55% -4.29% Cycles are helped. GM45 and Iron Lake had nearly identical results (Iron Lake shown) total instructions in shared programs: 7886750 -> 7879944 (-0.09%) instructions in affected programs: 373781 -> 366975 (-1.82%) helped: 3715 HURT: 47 helped stats (abs) min: 1 max: 8 x̄: 1.86 x̃: 1 helped stats (rel) min: 0.22% max: 16.67% x̄: 2.88% x̃: 2.06% HURT stats (abs) min: 1 max: 6 x̄: 2.55 x̃: 2 HURT stats (rel) min: 1.09% max: 5.00% x̄: 1.93% x̃: 2.35% 95% mean confidence interval for instructions value: -1.85 -1.77 95% mean confidence interval for instructions %-change: -2.91% -2.73% Instructions are helped. total cycles in shared programs: 178114636 -> 178095452 (-0.01%) cycles in affected programs: 7227666 -> 7208482 (-0.27%) helped: 3349 HURT: 301 helped stats (abs) min: 2 max: 90 x̄: 6.55 x̃: 4 helped stats (rel) min: <.01% max: 14.18% x̄: 0.95% x̃: 0.63% HURT stats (abs) min: 2 max: 42 x̄: 9.13 x̃: 10 HURT stats (rel) min: 0.01% max: 11.19% x̄: 1.22% x̃: 1.50% 95% mean confidence interval for cycles value: -5.52 -4.99 95% mean confidence interval for cycles %-change: -0.81% -0.73% Cycles are helped. Signed-off-by: Ian Romanick <ian.d.romanick@intel.com> Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com> [v1]		2018-03-08 15:26:26 -08:00
..
glsl	nir: Generalize nir_intrinsic_vote_eq	2018-03-07 12:13:47 -08:00
nir	nir: Narrow some dot product operations	2018-03-08 15:26:26 -08:00
spirv	spirv: handle AMD_gcn_shader extended instructions	2018-03-07 23:09:58 +01:00
.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 missing generation of vtn_gather_types.c	2017-12-13 16:20:15 -06:00
Android.nir.mk	android: fix libmesa_nir build	2017-07-21 08:47:56 +03:00
blob.c	blob: Don't set overrun if reading 0 bytes at end of data	2017-10-31 23:36:54 -07:00
blob.h	blob: Use intptr_t instead of ssize_t	2017-10-13 15:02:34 -07:00
builtin_type_macros.h	glsl: Add 16-bit types	2017-12-06 08:57:18 +01:00
glsl_types.cpp	glsl: Fix memory leak with known glsl_type instances	2018-03-07 14:33:34 +02:00
glsl_types.h	glsl: Fix memory leak with known glsl_type instances	2018-03-07 14:33:34 +02:00
Makefile.am	automake: small cleanup after the meson.build inclusion	2018-01-25 17:06:29 +00:00
Makefile.glsl.am	glsl: automake: export abs_builddir for the tests	2017-03-28 15:31:22 +01:00
Makefile.nir.am	spirv: Makefile.nir.am: include vtn_gather_types_c.py script in tarball dist	2017-12-20 17:44:35 +01:00
Makefile.sources	spirv: fix autotools builds	2018-03-08 10:45:56 +11:00
meson.build	meson: Add build option for tools	2018-02-08 11:24:42 -08:00
nir_types.cpp	nir: Add a helper to get the uvec4 type.	2018-01-03 14:25:23 -08:00
nir_types.h	nir: add image and sampler type to glsl_get_bit_size()	2018-01-23 09:44:37 +11:00
SConscript	glsl: Generate ir_expression_operation.h from Python	2016-08-30 16:28:00 -07:00
SConscript.glsl	mesa: Remove prog_hash_table.c	2016-09-12 10:48:35 +10:00
SConscript.nir	glsl: Generate ir_expression_operation.h from Python	2016-08-30 16:28:00 -07:00
shader_enums.c	compiler: Add two new system values for subgroups	2018-03-07 12:13:47 -08:00
shader_enums.h	compiler: Add two new system values for subgroups	2018-03-07 12:13:47 -08:00
shader_info.h	spirv: handle AMD_gcn_shader extended instructions	2018-03-07 23:09:58 +01:00