On Mon, 2007-10-15 at 10:48 -0400, David Roundy wrote:
I have no idea if this example will help your actual code, but it illustrates that at least in this example, it's pretty easy to gain an order of magnitude in speed. (That "func" is a weird function, by the way.)
Thanks for your reply David, Unfortunately my original problem was that System.Random.{random, randomR} is used instead of all these weird test functions that I came up with during experimentation. And I can't force anything inside StdGen so I see no way of speeding up the original program sans replacing the random number generator itself. When I did that I became about 4 times faster than with System.Random but still an order of magnitude slower than for instance by using the Java implementation (and I can confirm that (^) is *very* expensive in this context). Many thanks again, Thoralf