Developer Reference
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Pow
Computes a to power b for elements of two real vectors.
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 | 10.07 | 10.18 | 8.54 | 2.82 |
LA | 10.07 | 4.51 | 3.71 | 2.61 | |
EP | 4.87 | 3.18 | 2.75 | 1.69 | |
double | HA | 18.80 | 19.71 | 16.62 | 6.47 |
LA | 18.20 | 11.42 | 9.44 | 5.42 | |
EP | 10.77 | 10.39 | 8.58 | 3.39 |
Notes:
- Units - CPE (Clocks per Element)
Performance was measured on "working" interval (double precision: [ 5.0, 100.0 ] for both arguments; single precision: [ 0.1, 10.0 ] for both arguments)
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 | 0.57 | 0.57 | 0.57 | 0.52 |
LA | 2.33 | 1.17 | 1.17 | 0.93 | |
EP | 1.77E+03 | 1.77E+03 | 1.77E+03 | 64.00 | |
double | HA | 0.50 | 0.50 | 0.50 | 0.61 |
LA | 0.97 | 0.99 | 0.99 | 0.98 | |
EP | 6.28E+07 | 6.28E+07 | 6.28E+07 | 2.02E+07 |
NOTE:
Units - ULP (Units in the Last Place).
Performance Graphs:
Parent topic: Power