Developer Reference
Visible to Intel only — GUID: GUID-BAFC161E-2442-42AC-BFD5-5E031D26ED10
Cos
Computes a cosine of real vector elements.
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 | 3.44 | 3.10 | 2.61 | 1.81 |
LA | 2.62 | 1.92 | 1.66 | 0.95 | |
EP | 2.14 | 1.61 | 1.34 | 0.83 | |
double | HA | 8.61 | 7.95 | 6.92 | 2.95 |
LA | 6.88 | 4.45 | 3.89 | 1.61 | |
EP | 4.23 | 3.10 | 2.73 | 1.61 |
Notes:
- Units - CPE (Clocks per Element)
Performance was measured on "working" interval (double precision: [ -10000, 10000.0 ]; single precision: [ -10000.0, 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 | 0.59 | 0.59 | 0.59 | 0.59 |
LA | 1.54 | 1.54 | 1.54 | 1.54 | |
EP | 2.53E+03 | 2.53E+03 | 2.53E+03 | 2.53E+03 | |
double | HA | 0.50 | 0.50 | 0.50 | 0.51 |
LA | 2.83 | 2.83 | 2.83 | 2.83 | |
EP | 6.14E+07 | 6.14E+07 | 6.14E+07 | 2.83 |
NOTE:
Units - ULP (Units in the Last Place).
Performance Graphs:
Parent topic: Trigonometric Functions