InvCbrt
Computes an inverse cube root of real 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
|
16.45
|
5.75
|
4.80
|
1.43
|
LA
|
5.25
|
5.75
|
4.80
|
1.18
| |
EP
|
5.10
|
5.62
|
4.65
|
0.98
| |
double
|
HA
|
9.29
|
9.35
|
7.82
|
2.83
|
LA
|
8.40
|
8.59
|
7.27
|
2.61
| |
EP
|
8.40
|
7.95
|
6.70
|
2.03
| |
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
|
0.50
|
0.50
|
0.50
|
0.51
|
LA
|
1.55
|
1.55
|
1.55
|
2.07
| |
EP
|
889.00
|
889.00
|
889.00
|
2.76E+03
| |
double
|
HA
|
0.51
|
0.51
|
0.51
|
0.55
|
LA
|
3.00
|
3.00
|
3.00
|
1.73
| |
EP
|
9.77E+05
|
9.77E+05
|
9.77E+05
|
3.73E+06
| |
Note:
Units - ULP (Units in the Last Place).Performance Graphs:
