library(doParallel)
registerDoParallel()

x <- iris[which(iris[,5] != "setosa"), c(1,5)]
trials <- 10000
ptime <- system.time({
    r <- foreach(icount(trials), .combine=cbind) %do% {
          ind <- sample(100, 100, replace=TRUE)
        result1 <- glm(x[ind,2]~x[ind,1], family=binomial(logit))
            coefficients(result1)
          }
})[3]
ptime