Developer Reference
Intel® oneAPI Math Kernel Library Vector Mathematics Performance and Accuracy Data
                    
                        ID
                        772989
                    
                
                
                    Date
                    12/04/2020
                
                
                    Public
                
            Tanpi
Computes the tangent of vector elements multiplied 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 | 12.97 | 6.72 | 5.67 | 1.91 | 
| LA | 3.16 | 2.55 | 2.04 | 1.57 | |
| EP | 2.93 | 2.37 | 1.88 | 1.45 | |
| double | HA | 21.56 | 14.57 | 11.68 | 4.82 | 
| LA | 8.69 | 7.16 | 5.20 | 3.55 | |
| EP | 8.61 | 7.11 | 4.44 | 3.04 | |
      Notes: 
    
 
    - Units - CPE (Clocks per Element)
- Performance was measured on "working" interval (double precision: [ -300.0, 300.0 ]; single precision: [ -300.0, 300.0 ]) 
- 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 | 1.00 | 1.00 | 1.00 | 0.96 | 
| LA | 3.18 | 3.18 | 3.18 | 3.95 | |
| EP | 639.99 | 639.99 | 639.99 | 852.78 | |
| double | HA | 1.00 | 1.00 | 1.00 | 0.85 | 
| LA | 3.34 | 3.34 | 3.34 | 3.60 | |
| EP | 1.36E+06 | 1.36E+06 | 1.36E+06 | 2.66E+07 | |
      NOTE: 
    
 Units - ULP (Units in the Last Place). 
   Performance Graphs:




 Parent topic: Trigonometric Functions