spMC (version 0.3.2)

setCores: Set the number of CPU cores for HPC

Description

The function set the number of CPU cores for parallel computation by the use of OpenMP library (http://openmp.org/). If the package was not complied with the library OpenMP (>= 3.0), this function is disabled.

Usage

setCores(n)

Value

The total number of CPU cores in use will be returned and a message will be displayed. If the package was not complied with the library OpenMP (>= 3.0), the value one will be returned.

Rdversion

1.1

Details

When the package is loaded, only one CPU core is used.

References

SunTM ONE Studio 8 (2003) OpenMP API User's Guide. Sun Microsystems Inc., Santa Clara, U.S.A.

Examples

#Display the number of CPU cores in use
setCores()

#Set 2 CPU cores for parallel computation
setCores(2)

#Set 1 CPU core for serial computation
setCores(1)