Developer Reference
Visible to Intel only — GUID: GUID-CA310292-A45C-4A1D-9ECD-F97A19D5AA39
TGamma
Computes the gamma function of 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 | 57.15 | 62.63 | 46.70 | 53.12 |
LA | 57.15 | 62.63 | 46.69 | 53.03 | |
EP | 57.15 | 62.35 | 46.63 | 53.02 | |
double | HA | 138.44 | 168.13 | 132.13 | 153.14 |
LA | 138.42 | 168.13 | 132.08 | 153.14 | |
EP | 138.42 | 168.13 | 132.08 | 153.11 |
Notes:
- Units - CPE (Clocks per Element)
Performance was measured on "working" interval (double precision: [ 0.00001, 171.0 ]; single precision: [ 0.00001, 35.0 ])
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 | 0.50 | 0.50 | 0.50 | 0.50 |
LA | 0.50 | 0.50 | 0.50 | 0.50 | |
EP | 0.50 | 0.50 | 0.50 | 0.50 | |
double | HA | 0.50 | 0.50 | 0.50 | 0.50 |
LA | 0.50 | 0.50 | 0.50 | 0.50 | |
EP | 0.50 | 0.50 | 0.50 | 0.50 |
NOTE:
Units - ULP (Units in the Last Place).
Performance Graphs:
Parent topic: Special