[MLton] Re: [Haskell-cafe] fastest Fibonacci numbers in the West
Wesley W. Terpstra
wesley@terpstra.ca
Thu, 27 Jan 2005 19:51:24 +0100
On Thu, Jan 27, 2005 at 01:33:17PM -0500, Matthew Fluet wrote:
> > Excedrin reported the bug on #sml last night. I saw it and ran a
> > couple of tests. The bug he reported was for William's version of the
> > code with an input of 99999999. I was not able to reproduce the bug
> > using the gmp-4.1.2-2 RPM on my Linux machine.
>
> Hmm... I seem to be running on gmp-4.1.2 on the Linux machines I ran the
> tests with.
I used:
ii mlton 20041109-1 Optimizing compiler for Standard ML
ii libgmp3-dev 4.1.4-5 Multiprecision arithmetic library developers
on a debian system.
> By having wesley compute exp (fib, n + 1) instead of exp (fib, n).
Yes, I counted from 1. :-)
I think a good thing to check would be a C version using libgmp.
That might help in determining if MLton has any of the blame...
--
Wesley W. Terpstra