jhc0033: > On Sun, May 11, 2008 at 1:40 PM, Don Stewart <[EMAIL PROTECTED]> wrote: > > > n-body requires updating a global array of double values to be > > I think the array and any side-effects on it can and should be local > to the simulation procedure. > > > competitive performance-wise, though we haven't really nailed this > > benchmark yet. The current entry should be considered an older approach > > to raw performance -- typically we can get good (or better) results in > > using the ST monad. > > As I understand, a function can use ST, but still be pure. If so,
Right, its identical to the current solution, but the mutability is guaranteed not to escape the simulation scope. -- Don _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
