Developer Reference
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Pow3o2
Raises each element of a vector to the constant power 3/2.
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 | 2.26 | 1.11 | 0.98 | 0.73 |
LA | 1.12 | 0.76 | 0.66 | 0.58 | |
EP | 1.12 | 0.57 | 0.47 | 0.40 | |
double | HA | 9.65 | 5.11 | 4.13 | 1.68 |
LA | 5.83 | 4.09 | 3.39 | 1.33 | |
EP | 4.77 | 3.60 | 3.00 | 1.07 |
Notes:
- Units - CPE (Clocks per Element)
Performance was measured on "working" interval (double precision: [ 0.1, 10000.0 ]; single precision: [ 0.1, 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 | 2.20 | 2.40 | 2.40 | 1.30 | |
EP | 4.27E+03 | 4.27E+03 | 4.27E+03 | 696.00 | |
double | HA | 0.51 | 0.50 | 0.50 | 0.50 |
LA | 1.64 | 1.35 | 1.35 | 1.61 | |
EP | 4.03E+05 | 4.03E+05 | 4.03E+05 | 2.72E+07 |
NOTE:
Units - ULP (Units in the Last Place).
Performance Graphs:
Parent topic: Power