Exp2
Computes the base 2 exponential 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
|
2.79
|
2.68
|
2.21
|
0.57
|
LA
|
2.79
|
2.68
|
2.21
|
0.57
| |
EP
|
2.79
|
2.68
|
2.21
|
0.57
| |
double
|
HA
|
5.62
|
4.47
|
3.75
|
1.26
|
LA
|
5.62
|
4.47
|
3.75
|
1.26
| |
EP
|
5.62
|
4.47
|
3.75
|
1.26
| |
Notes:
- Units - CPE (Clocks per Element)
- Performance was measured on "working" interval (double precision: [ -707.0, 707.0 ]; single precision: [ -87.0, 87.0 ])
- 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
|
0.62
|
0.62
|
0.62
|
0.62
|
LA
|
0.62
|
0.62
|
0.62
|
0.62
| |
EP
|
0.62
|
0.62
|
0.62
|
0.62
| |
double
|
HA
|
0.75
|
0.75
|
0.75
|
0.75
|
LA
|
0.75
|
0.75
|
0.75
|
0.75
| |
EP
|
0.75
|
0.75
|
0.75
|
0.75
| |
Note:
Units - ULP (Units in the Last Place).Performance Graphs:
