Function Add

 

The Add function performs element by element addition of vector a and 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 0.81 0.79 1.33
LA 0.81 0.79 1.33
EP 0.81 0.79 1.33
double HA 1.56 1.54 1.66
LA 1.56 1.54 1.66
EP 1.56 1.54 1.66

Notes:
1) Units - CPE (Clocks per Element)
2) Performance was measured on "working" interval (double precision: [-10000.0 ; 10000.0] for both arguments; single precision: [-10000.0 ; 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 0.55 0.55 0.55
LA 0.55 0.55 0.55
EP 0.55 0.55 0.55
double HA 0.55 0.55 0.55
LA 0.55 0.55 0.55
EP 0.55 0.55 0.55

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

 

 

Performance Graphs:

     

 

Legal Information

Copyright © 2000-2007, Intel Corporation.