Developer Reference
Visible to Intel only — GUID: GUID-C0E0BA78-F639-49AA-8980-16091B96C3AF
Sqrt
Computes a square 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 | 1.58 | 0.97 | 0.86 | 0.43 |
LA | 1.02 | 0.70 | 0.59 | 0.42 | |
EP | 1.02 | 0.51 | 0.41 | 0.26 | |
double | HA | 13.02 | 3.98 | 3.30 | 1.15 |
LA | 12.46 | 3.78 | 3.14 | 1.00 | |
EP | 11.63 | 3.45 | 2.88 | 0.71 |
Notes:
- Units - CPE (Clocks per Element)
Performance was measured on "working" interval (double precision: [ 0.0, 10000.0 ]; single precision: [ 0.0, 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 | 0.74 | 0.50 | 0.50 | 0.51 |
LA | 2.05 | 2.00 | 2.00 | 0.72 | |
EP | 3.82E+03 | 3.82E+03 | 3.82E+03 | 678.00 | |
double | HA | 0.52 | 0.52 | 0.52 | 0.54 |
LA | 1.49 | 1.38 | 1.38 | 1.13 | |
EP | 2.76E+05 | 2.76E+05 | 2.76E+05 | 2.76E+07 |
NOTE:
Units - ULP (Units in the Last Place).
Performance Graphs:
Parent topic: Root