snow (version 0.1-1)

snow-rand: Uniform Random Number Generation in SNOW Clusters

Description

Initialize independent uniform random number streams on the nodes in a SNOW cluster.

Usage

clusterSetupSPRNG (cl, seed = round(2^32 * runif(1)),
                   prngkind = "default", para = 0)

Arguments

cl

cluster object

seed

integer seed for SPRNG

prngkind

character string naming generator type

para

additional parameters for the generator

Details

clusterSetupSPRNG loads the rsprng package and initializes separate streams on each node. For further details see the documentation of init.sprng. The generator on the master is not affected.

For more details see http://www.stat.uiowa.edu/~luke/R/cluster/cluster.html.

Examples

clusterSetupSPRNG(cl)
clusterSetupSPRNG(cl, seed=1234)