Developer Reference
Visible to Intel only — GUID: GUID-0F05DA4C-BAB5-4DF1-86A1-DA64C046C823
Inv
Performs element-by-element inversion of the real vector.
Performance:
Intel® Xeon® Processor E5-2680 | Intel® Xeon® Processor E5-2699 v3 | Intel® Xeon® Processor E5-2699 v4 | Intel® Xeon® Gold 6148 Processor | ||
---|---|---|---|---|---|
single | HA | 8.07 | 1.69 | 0.98 | 0.31 |
LA | 0.86 | 0.59 | 0.51 | 0.30 | |
EP | 0.67 | 0.49 | 0.37 | 0.22 | |
double | HA | 8.41 | 6.83 | 3.12 | 0.83 |
LA | 2.96 | 2.44 | 2.11 | 0.83 | |
EP | 2.60 | 2.00 | 1.75 | 0.57 |
Notes:
- Units - CPE (Clocks per Element)
Performance was measured on "working" interval (double precision: [ 0.0001, 10000.0 ]; single precision: [ 0.0001, 10000.0 ])
Data - vectors of 1000 elements with random generated numbers.
All data was collected with 64-bit libraries.
Accuracy:
Intel® Xeon® Processor E5-2680 | Intel® Xeon® Processor E5-2699 v3 | Intel® Xeon® Processor E5-2699 v4 | Intel® Xeon® Gold 6148 Processor | ||
---|---|---|---|---|---|
single | HA | 0.50 | 0.50 | 0.50 | 0.51 |
LA | 2.35 | 1.92 | 1.92 | 0.51 | |
EP | 4.99E+03 | 4.99E+03 | 4.99E+03 | 655.00 | |
double | HA | 0.50 | 0.50 | 0.50 | 0.52 |
LA | 1.34 | 0.51 | 0.51 | 0.52 | |
EP | 2.40E+05 | 2.40E+05 | 2.40E+05 | 1.38E+07 |
NOTE:
Units - ULP (Units in the Last Place).
Performance Graphs:
Parent topic: Root