Ian Romanick
1546204cdd
nir/algebraic: sign(x)*x*x is abs(x)*x
shader-db results:
All Gen7+ platforms had similar results. (Skylake shown)
total instructions in shared programs: 15106023 -> 15105981 (<.01%)
instructions in affected programs: 300 -> 258 (-14.00%)
helped: 6
HURT: 0
helped stats (abs) min: 7 max: 7 x̄: 7.00 x̃: 7
helped stats (rel) min: 14.00% max: 14.00% x̄: 14.00% x̃: 14.00%
95% mean confidence interval for instructions value: -7.00 -7.00
95% mean confidence interval for instructions %-change: -14.00% -14.00%
Instructions are helped.
total cycles in shared programs: 566050327 -> 566050075 (<.01%)
cycles in affected programs: 2826 -> 2574 (-8.92%)
helped: 6
HURT: 0
helped stats (abs) min: 40 max: 44 x̄: 42.00 x̃: 42
helped stats (rel) min: 8.89% max: 8.94% x̄: 8.92% x̃: 8.92%
95% mean confidence interval for cycles value: -44.30 -39.70
95% mean confidence interval for cycles %-change: -8.95% -8.88%
Cycles are helped.
No changes on Gen6 or earlier.
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Thomas Helland <thomashelland90@gmail.com>
2018-10-09 13:56:42 -07:00
..
2018-10-09 08:56:00 -07:00
2018-10-09 13:56:42 -07:00
2018-10-05 18:13:25 +02:00
2016-10-04 07:43:15 -07:00
2017-03-22 17:52:06 +00:00
2017-02-20 16:30:37 +00:00
2016-09-06 15:58:55 +01:00
2018-07-21 08:50:23 +02:00
2017-07-21 08:47:56 +03:00
2018-07-09 23:02:33 -07:00
2018-07-09 23:02:33 -07:00
2018-03-25 10:42:54 -04:00
2018-08-02 10:06:44 +03:00
2018-07-23 23:16:25 +02:00
2018-08-24 11:14:15 +01:00
2018-08-24 11:14:15 +01:00
2018-04-09 08:32:45 -06:00
2018-08-23 21:47:47 -05:00
2018-04-10 10:37:46 +02:00
2018-08-10 15:15:09 -07:00
2018-08-29 14:04:02 -05:00
2018-08-29 14:04:02 -05:00
2018-03-30 14:33:03 -06:00
2016-09-12 10:48:35 +10:00
2018-03-27 08:36:37 -04:00
2018-03-30 14:33:03 -06:00
2018-08-14 17:59:02 -04:00
2018-08-29 14:04:02 -05:00
2018-09-06 16:07:50 -05:00