Developer Reference
Visible to Intel only — GUID: GUID-281C457F-D011-411B-9854-376E123AA6F1
NextAfter
Returns vector of elements containing the next representable floating-point values following the values from the elements of one vector in the direction of the corresponding elements of another vector.
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 | 6.72 | 1.11 | 0.87 | 0.62 |
LA | 2.30 | 1.11 | 0.87 | 0.62 | |
EP | 2.30 | 1.11 | 0.86 | 0.62 | |
double | HA | 10.44 | 2.77 | 2.19 | 2.02 |
LA | 10.44 | 2.77 | 2.19 | 2.02 | |
EP | 10.44 | 2.77 | 2.19 | 2.02 |
Notes:
- Units - CPE (Clocks per Element)
Performance was measured on "working" interval (double precision: [ -10000.0, 10000.0 ] for both arguments; single precision: [ -10000.0, 10000.0 ] for both argument)
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 | 0.00 | 0.00 | 0.00 | 0.00 |
LA | 0.00 | 0.00 | 0.00 | 0.00 | |
EP | 0.00 | 0.00 | 0.00 | 0.00 | |
double | HA | 0.00 | 0.00 | 0.00 | 0.00 |
LA | 0.00 | 0.00 | 0.00 | 0.00 | |
EP | 0.00 | 0.00 | 0.00 | 0.00 |
NOTE:
Units - ULP (Units in the Last Place).
Performance Graphs:
Parent topic: Miscellaneous