Function Div

 

The Div function performs element by element division of real vector a by real vector b.

 

Performance:

 
 Intel(R) Xeon(R) processor 5100 Series  45nm Intel(R)
Core(TM)2 Duo Processor
Intel(R) Itanium(R) 2 processor
single HA 4.35 3.18 4.63
LA 2.45 2.42 4.63
EP 1.95 1.94 4.63
double HA 9.45 7.52 5.57
LA 9.45 7.49 5.37
EP 9.45 7.49 5.37

Notes:
1) Units - CPE (Clocks per Element)
2) Performance was measured on "working" interval (double precision: [0.0001, 10000.0] for both arguments; single precision: [0.0001, 10000.0] for both arguments)
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 0.50 0.50 0.50
LA 3.52 3.52 0.50
EP 4.96E+03 4.96E+03 0.50
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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