Developer Reference
Visible to Intel only — GUID: GUID-FFAD592C-C0F3-401F-8540-EBC21C30B349
ErfcInv
Computes the inverse 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 | 6.02 | 6.00 | 5.61 | 2.63 |
LA | 3.10 | 2.96 | 2.63 | 1.53 | |
EP | 2.69 | 2.92 | 2.49 | 0.91 | |
double | HA | 19.67 | 21.22 | 17.76 | 6.79 |
LA | 13.70 | 15.61 | 13.13 | 5.15 | |
EP | 7.70 | 8.19 | 6.89 | 3.07 |
Notes:
- Units - CPE (Clocks per Element)
Performance was measured on "working" interval (double precision: [ 0.00001, 1.99999 ]; single precision: [ 0.00001, 1.99999 ])
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 | 0.54 |
LA | 2.69 | 2.69 | 2.69 | 2.35 | |
EP | 1.03E+03 | 1.03E+03 | 1.03E+03 | 2.31E+03 | |
double | HA | 0.50 | 0.50 | 0.50 | 0.51 |
LA | 2.36 | 2.36 | 2.36 | 1.42 | |
EP | 6.17E+07 | 6.17E+07 | 6.17E+07 | 6.17E+07 |
NOTE:
Units - ULP (Units in the Last Place).
Performance Graphs:
Parent topic: Special