Developer Reference
Visible to Intel only — GUID: GUID-D1E861E4-B9D4-4F22-AFB4-38C1C704C582
CdfNorm
Computes the cumulative normal distribution function values 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 | 5.20 | 4.34 | 3.81 | 2.38 |
LA | 3.63 | 3.40 | 2.95 | 2.05 | |
EP | 3.63 | 3.25 | 2.82 | 1.99 | |
double | HA | 13.69 | 11.13 | 9.70 | 6.29 |
LA | 9.90 | 7.91 | 7.08 | 4.55 | |
EP | 7.78 | 6.93 | 6.06 | 3.58 |
Notes:
- Units - CPE (Clocks per Element)
Performance was measured on "working" interval (double precision: [ -32.0, 8.0 ]; single precision: [ -8.0, 5.0 ])
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 | 0.75 | 0.75 | 0.75 | 0.75 |
LA | 1.27 | 1.24 | 1.24 | 1.24 | |
EP | 34.60 | 34.60 | 34.60 | 34.60 | |
double | HA | 0.75 | 0.75 | 0.75 | 0.75 |
LA | 1.47 | 1.47 | 1.47 | 1.47 | |
EP | 1.46E+06 | 1.46E+06 | 1.46E+06 | 1.46E+06 |
NOTE:
Units - ULP (Units in the Last Place).
Performance Graphs:
Parent topic: Special