Function Sqrt

 

The Sqrt function computes a square root of real vector elements.

 

Performance:

 Intel(R) Xeon(R) processor 5100 Series  45nm Intel(R)
Core(TM)2 Duo Processor
Intel(R) Itanium(R) 2 processor
single HA 5.46 3.29 5.14
LA 2.51 2.50 5.14
EP 2.07 2.05 5.14
double HA 17.34 8.87 7.38
LA 13.90 8.87 7.17
EP 13.90 8.87 7.17

Notes:
1) Units - CPE (Clocks per Element)
2) Performance was measured on "working" interval (double precision: [0.0, 10000.0]; single precision: [0.0, 10000.0])
3) Data - vectors of 1000 elements with random generated numbers.

 

Accuracy:

 Intel(R) Xeon(R) processor 5100 Series  45nm Intel(R)
Core(TM)2 Duo Processor
Intel(R) Itanium(R) 2 processor
single HA 0.67 0.50 0.50
LA 2.57 2.57 0.50
EP 3.78E+03 3.78E+03 0.50
double HA 0.50 0.50 0.50
LA 1.41 1.41 0.50
EP 1.41 1.41 0.50

Note: Units - ULP (Units in The Last Place).

 

 

Performance Graphs:

     

 

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