LGamma
Computes the natural logarithm of the absolute value of gamma function for 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
|
40.40
|
44.70
|
35.15
|
41.79
|
LA
|
40.39
|
44.69
|
35.15
|
41.78
| |
EP
|
40.39
|
44.69
|
35.14
|
41.72
| |
double
|
HA
|
86.17
|
103.57
|
81.53
|
76.29
|
LA
|
86.17
|
103.48
|
81.53
|
76.29
| |
EP
|
86.15
|
103.48
|
81.53
|
76.29
| |
Notes:
- Units - CPE (Clocks per Element)
- Performance was measured on "working" interval (double precision: [ 0.00001, 1000.0 ]; single precision: [ 0.00001, 1000.0 ])
- 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:
