Function Sqrt

 

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

 

Performance:

Dual-Core
 Intel(R) Xeon(R) processor 5100 Series
 45nm Intel(R)
Core(TM)2 Duo processor
Intel(R) Itanium(R) 2 processor
single HA 7.64 2.87 5.22
LA 2.74 2.53 5.22
EP 2.24 2.10 5.21
double HA 10.81 9.12 7.46
LA 9.60 9.12 7.25
EP 8.46 9.12 7.24

Notes:
1) Units - CPE (Clocks per Element)
2) Performance was measured on "working" interval (double precision: [0, 10000]
; single precision: [0, 10000])
3) Data - vectors of 1000 elements with random generated numbers.

 

Accuracy:

Dual-Core
 Intel(R) Xeon(R) processor 5100 Series
 45nm Intel(R)
Core(TM)2 Duo processor
Intel(R) Itanium(R) 2 processor
single HA 0.74 0.50 0.50
LA 2.52 2.52 0.50
EP 3.68E+03 3.68E+03 0.50
double HA 0.50 0.50 0.50
LA 1.39 0.50 0.50
EP 3.94E+05 0.50 0.50

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

 

 

Performance Graphs:

     

 

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