Function Log10

 

The Log10 function computes a denary logarithm of real 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 10.76 10.45 5.15
LA 9.54 8.53 5.14
EP 5.34 5.30 5.14
double HA 18.82 16.85 6.19
LA 18.82 16.81 6.18
EP 18.82 16.81 6.18

Notes:
1) Units - CPE (Clocks per Element)
2) Performance was measured on "working" interval (double precision: [0.1, 10000.0]; single precision: [0.1, 10000.0])
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 0.57 0.57 0.50
LA 0.60 0.60 0.50
EP 62.50 62.50 0.50
double HA 0.50 0.50 0.50
LA 0.50 0.50 0.50
EP 0.50 0.55 0.50


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

 

 

Performance Graphs:

     

 

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