Re: [Haskell-cafe] saner shootout programs

11 May 2008


      jhc0033:
...
On Sun, May 11, 2008 at 1:40 PM, Don Stewart  wrote:
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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