I tried the online demo. A simple x <- rnorm(1000) was VERY slow (it took a couple of seconds). Any idea why? It did not seem to be initial-class-loading one-ti

I tried the online demo. A simple x <- rnorm(1000) was VERY slow (it took a couple of seconds). Any idea why? It did not seem to be initial-class-loading one-time issues; the slowness persisted upon retrying.