Pow2o3
Raises each element of a vector to the constant power 2/3.
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
|
15.11
|
5.66
|
4.75
|
1.26
|
LA
|
11.44
|
3.60
|
3.13
|
1.05
| |
EP
|
10.00
|
3.35
|
2.80
|
0.87
| |
double
|
HA
|
25.58
|
8.89
|
7.36
|
2.70
|
LA
|
7.76
|
8.31
|
7.01
|
2.43
| |
EP
|
6.71
|
7.67
|
6.53
|
1.82
| |
Notes:
- Units - CPE (Clocks per Element)
- Performance was measured on "working" interval (double precision: [ 0.1, 10000.0 ]; single precision: [ 0.1, 10000.0 ])
- 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
|
0.51
|
0.51
|
0.51
|
0.57
|
LA
|
1.60
|
1.60
|
1.60
|
1.70
| |
EP
|
811.00
|
812.00
|
812.00
|
1.54E+03
| |
double
|
HA
|
0.51
|
0.51
|
0.51
|
0.53
|
LA
|
1.23
|
1.23
|
1.23
|
1.72
| |
EP
|
9.89E+06
|
9.89E+06
|
9.89E+06
|
1.09E+07
| |
Note:
Units - ULP (Units in the Last Place).Performance Graphs:
