Developer Reference
Intel® oneAPI Math Kernel Library Vector Mathematics Performance and Accuracy Data
                    
                        ID
                        772989
                    
                
                
                    Date
                    12/04/2020
                
                
                    Public
                
            Sqrt
Computes a square root of complex 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 | 58.54 | 21.14 | 15.38 | 8.65 | 
| LA | 12.06 | 8.94 | 7.20 | 4.26 | |
| EP | 12.05 | 8.89 | 7.14 | 4.26 | |
| double | HA | 128.21 | 159.74 | 114.35 | 117.09 | 
| LA | 32.00 | 27.07 | 20.37 | 12.44 | |
| EP | 32.00 | 27.03 | 20.37 | 12.44 | |
      Notes: 
    
 
    - Units - CPE (Clocks per Element)
- Performance was measured on "working" interval (double precision: [ 0.01, 20.0 ] × [ 0.01, 20.0 ]; single precision: [ 0.01, 20.0 ] × [ 0.01, 20.0 ]) 
- 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 | 0.50 | 0.50 | 0.50 | 
| LA | 1.97 | 1.97 | 1.97 | 1.97 | |
| EP | 1.97 | 1.97 | 1.97 | 1.97 | |
| double | HA | 0.50 | 0.50 | 0.50 | 0.50 | 
| LA | 2.05 | 2.05 | 2.05 | 1.47 | |
| EP | 2.05 | 2.05 | 2.05 | 1.47 | |
      NOTE: 
    
 Units - ULP (Units in the Last Place). 
   Performance Graphs:




 Parent topic: Root