Developer Reference
Visible to Intel only — GUID: GUID-915095CB-D077-4B31-8295-69B1B6A1E385
Erfc
Computes the complementary error function value 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 | 22.19 | 4.16 | 3.71 | 2.35 |
LA | 15.30 | 3.33 | 2.89 | 2.03 | |
EP | 13.62 | 3.11 | 2.71 | 2.03 | |
double | HA | 13.50 | 10.59 | 9.19 | 6.12 |
LA | 13.50 | 7.79 | 6.84 | 4.39 | |
EP | 13.50 | 6.68 | 5.81 | 3.46 |
Notes:
- Units - CPE (Clocks per Element)
Performance was measured on "working" interval (double precision: [ -5.0, 25.0 ]; single precision: [ -3.0, 9.0 ])
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 | 1.34 | 1.34 | 1.34 | 1.34 | |
EP | 330.00 | 329.00 | 329.00 | 1.34 | |
double | HA | 0.75 | 0.75 | 0.75 | 0.75 |
LA | 0.75 | 1.37 | 1.37 | 1.37 | |
EP | 0.75 | 5.59E+06 | 5.59E+06 | 5.59E+06 |
NOTE:
Units - ULP (Units in the Last Place).
Performance Graphs:
Parent topic: Special