Function Sqrt

 

The Sqrt function computes a square root of complex 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 59.60 30.85 11.17
LA 24.54 23.35 11.17
EP 24.54 23.35 11.17
double HA 179.62 164.15 15.19
LA 177.76 162.24 15.19
EP 177.76 162.24 15.19

Notes:
1) Units - CPE (Clocks per Element)
2) Performance was measured on "working" interval (double precision: [0.01, 20.00] × [0.01, 20.00]
; single precision: [0.01, 20.00] × [0.01, 20.00])
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 0.51 0.51 0.68
LA 2.32 2.32 0.68
EP 2.32 2.32 0.75
double HA 0.50 0.50 0.50
LA 0.50 0.50 0.50
EP 0.50 0.50 0.50

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

 

 

Performance Graphs:

     

 

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