Function Modf

 

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

 

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 2.86 2.83 49.10
LA 2.86 2.83 49.10
EP 2.86 2.83 49.10
double HA 5.47 5.40 54.16
LA 5.47 5.40 54.16
EP 5.47 5.40 54.16


Notes:
1) Units - CPE (Clocks per Element)
2) Performance was measured on "working" interval (double precision: [-10000.0, 10000.0]; single precision: [
-10000.0, 10000.0])
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 0.00 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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