Developer Reference
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Cosd
Computes the cosine of vector elements multiplied by π/180.
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 | 3.76 | 3.36 | 2.94 | 2.16 |
LA | 3.76 | 1.62 | 1.34 | 0.83 | |
EP | 3.76 | 1.33 | 1.08 | 0.72 | |
double | HA | 10.76 | 9.59 | 8.14 | 2.81 |
LA | 6.66 | 4.01 | 3.54 | 2.24 | |
EP | 4.16 | 3.22 | 2.63 | 1.68 |
Notes:
- Units - CPE (Clocks per Element)
Performance was measured on "working" interval (double precision: [ -10000.0, 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 | 0.50 | 0.50 | 0.50 | 0.50 |
LA | 2.03 | 2.03 | 2.03 | 2.03 | |
EP | 2.69E+03 | 2.69E+03 | 2.69E+03 | 2.69E+03 | |
double | HA | 0.50 | 0.50 | 0.50 | 0.52 |
LA | 2.82 | 2.82 | 2.82 | 2.83 | |
EP | 6.14E+07 | 6.14E+07 | 6.14E+07 | 6.14E+07 |
NOTE:
Units - ULP (Units in the Last Place).
Performance Graphs:
Parent topic: Trigonometric Functions