Function Modf

 

The Modf function computes a truncated integer value and remaining fraction part for each vector element.

 

Performance:

 Intel(R) Xeon(R) processor 5100 Series  45nm Intel(R)
Core(TM)2 Duo processor
Intel(R) Itanium(R) 2 processor
single HA 2.77 2.78 49.03
LA 2.77 2.78 49.03
EP 2.77 2.78 49.03
double HA 5.44 5.46 54.08
LA 5.44 5.46 54.08
EP 5.44 5.46 54.08


Notes:
1) Units - CPE (Clocks per Element)
2) Performance was measured on "working" interval (double precision: [-5.0, 25.0]; single precision: [-3.0, 9.0])
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 0.00 0.00 0.00
LA 0.00 0.00 0.00
EP 0.00 0.00 0.00
double HA 0.00 0.00 0.00
LA 0.00 0.00 0.00
EP 0.00 0.00 0.00

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

 

 

Performance Graphs:

     

 

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