Developer Reference
Visible to Intel only — GUID: GUID-DCF61079-9A68-463A-B684-238918C440F3
Cbrt
Computes a cube root 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 | 5.63 | 6.12 | 5.12 | 1.27 |
LA | 5.38 | 5.69 | 4.76 | 1.07 | |
EP | 5.38 | 5.62 | 4.65 | 0.87 | |
double | HA | 27.09 | 9.37 | 7.81 | 2.71 |
LA | 24.47 | 8.63 | 7.27 | 2.39 | |
EP | 20.16 | 7.89 | 6.60 | 1.82 |
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 | 0.61 |
LA | 2.49 | 2.49 | 2.49 | 1.39 | |
EP | 281.00 | 281.00 | 281.00 | 1.69E+03 | |
double | HA | 0.50 | 0.50 | 0.50 | 0.52 |
LA | 1.42 | 1.42 | 1.42 | 1.58 | |
EP | 1.62E+07 | 1.62E+07 | 1.62E+07 | 1.69E+07 |
NOTE:
Units - ULP (Units in the Last Place).
Performance Graphs:
Parent topic: Root