Acospi
Computes the inverse cosine of vector elements divided by π.
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
|
3.55
|
2.74
|
2.68
|
1.79
|
LA
|
2.81
|
1.98
|
1.78
|
1.21
| |
EP
|
2.79
|
1.87
|
1.59
|
0.91
| |
double
|
HA
|
9.98
|
7.43
|
6.83
|
3.84
|
LA
|
8.23
|
7.12
|
6.02
|
3.70
| |
EP
|
6.21
|
4.82
|
4.27
|
2.59
| |
Notes:
- Units - CPE (Clocks per Element)
- Performance was measured on "working" interval (double precision: [ -1.0, 1.0 ]; single precision: [ -1.0, 1.0 ])
- 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
|
0.79
|
0.79
|
0.79
|
0.95
|
LA
|
2.46
|
2.46
|
2.46
|
2.46
| |
EP
|
531.57
|
531.57
|
531.57
|
531.57
| |
double
|
HA
|
0.80
|
0.80
|
0.80
|
0.80
|
LA
|
2.23
|
2.23
|
2.23
|
2.23
| |
EP
|
4.85E+06
|
4.85E+06
|
4.85E+06
|
4.48E+06
| |
Note:
Units - ULP (Units in the Last Place).Performance Graphs:
