Developer Reference
Intel® oneAPI Math Kernel Library Vector Mathematics Performance and Accuracy Data
                    
                        ID
                        772989
                    
                
                
                    Date
                    12/04/2020
                
                
                    Public
                
            Tand
Computes the tangent of vector elements multiplied by π/180.
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 | 12.88 | 7.19 | 6.05 | 2.59 | 
| LA | 12.35 | 4.94 | 4.21 | 1.66 | |
| EP | 9.56 | 4.47 | 3.76 | 1.51 | |
| double | HA | 21.61 | 17.09 | 13.14 | 5.06 | 
| LA | 18.38 | 9.92 | 7.90 | 3.86 | |
| EP | 15.72 | 9.33 | 7.41 | 3.75 | |
      Notes: 
    
 
    - Units - CPE (Clocks per Element)
- Performance was measured on "working" interval (double precision: [ -1000.0, 1000.0 ]; single precision: [ -1000.0, 1000.0 ]) 
- 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 | 0.88 | 0.88 | 0.88 | 0.88 | 
| LA | 3.91 | 3.91 | 3.91 | 3.91 | |
| EP | 12.28 | 12.28 | 12.28 | 885.29 | |
| double | HA | 0.90 | 0.90 | 0.90 | 0.90 | 
| LA | 3.53 | 3.53 | 3.53 | 3.48 | |
| EP | 5.28E+03 | 5.28E+03 | 5.28E+03 | 5.28E+03 | |
      NOTE: 
    
 Units - ULP (Units in the Last Place). 
   Performance Graphs:




 Parent topic: Trigonometric Functions