On Mon, Jul 18, 2011 at 6:01 PM, John Clements <cleme...@brinckerhoff.org> wrote: > Does the first one somehow have to check some things that the second one > doesn't?
Yes, how long the vector is going to be. Try: (for/vector #:length (* 100 sr) ([i (in-range (* 100 sr))]) 0.243) which is just as a fast as the `vector-set!' code on my machine. -- sam th sa...@ccs.neu.edu _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/dev