On Mon, May 9, 2011 at 11:19 PM, Robby Findler <ro...@eecs.northwestern.edu> wrote: > Even without typed racket, this: > > (define (my-sqrt y) > (let loop [(x (/ y 2.0))]
> is much faster than this: > > (define (my-sqrt y) > (let loop [(x (/ y 2))] Yes, this is one of the optimizations TR does. :) As to why TR is so much faster on this program: this is exactly the sort of program that TR excels at -- generic arithmetic on floats, which we can turn into fast machine instructions. You won't find a better case for TR than this, except if you add complex numbers. -- sam th sa...@ccs.neu.edu _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users
