Function Exp

 

The Exp function computes an exponential 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 7.87 6.12 4.24
LA 6.96 6.12 4.24
EP 4.60 4.34 4.22
double HA 9.61 13.69 6.59
LA 9.24 10.81 6.29
EP 8.74 8.40 6.29

Notes:
1) Units - CPE (Clocks per Element)
2) Performance was measured on "working" interval (double precision: [-707.0, 707.0]; single precision: [-87.0, 87.0])
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 0.52 0.52 0.51
LA 1.46 1.46 0.51
EP 2.07E+03 2.07E+03 0.51
double HA 0.51 0.51 0.51
LA 2.61 2.61 0.52
EP 2.67E+07 2.67E+07 0.52

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

 

 

Performance Graphs:

     

 

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