On Thu, 2007-06-21 at 13:39 +0100, Jon Harrop wrote: > Awesome stuff! > > On Thursday 21 June 2007 12:36:27 Philip Armstrong wrote: > > On Thu, Jun 21, 2007 at 12:25:44PM +0100, Sebastian Sylvan wrote: > > >Try using floats for the vector, and strict fields (add a ! to the > > >fields in the data declaration). > > > > Because the optimisation page on the haskell wiki is very explicit > > about never using Float when you can use Double, that's why. An older > > revision used Float and it was slower than the current one. Making the > > datatypes strict also makes no difference. > > Where exactly do the !s go and what do they do?
> > >That's the simplest possible thing I can think of after about two > > >seconds of looking anyway. It appears that the ML version uses float > > >so I don't understand why you would use Double for the Haskell version > > >at all, and then think you could do any sort of valid comparisons > > >between them... > > > > OCaML floats are Doubles, at least on x86. > > Yes. OCaml doesn't have a 32-bit float storage format, apart from an > entirely-float big array. Also, the ML in OCaml doesn't stand for > metalanguage. ;-) To be technical, it should be OCAML. _______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
