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timesmap
2011 Apr 19
0
doSMP package works better than perfect, at least sometimes.
...n to R, but it's clear that their
releases of packages like doSMP and foreach are important contributions to
the community.
###### Toy test code follows:######
# Toy SMP
memory.limit(3000)
require(doSMP)
require(reshape2)
getDoParWorkers()
w<- startWorkers(workerCount=3)
registerDoSMP(w)
timeSMP <- function(g, n)
# g = number of groups to process
# n = size of each group.
{
for(rep in 1:3) {
times <- NULL
dd <- data.frame(k=rep(1:g, n), x=runif(g*n))
ddSplit <- split(dd, dd$k)
tt<-system.time({
dd2 <- foreach(e=names(ddSplit), .combine=rb...