On Sat, Sep 11, 2010 at 4:16 PM, Daniel Fischer <daniel.is.fisc...@web.de> wrote: > ... > I don't pretend to understand at the processor level why f4's loop is > faster that f2's and f3's, but I've observed on several occasions that > parameter order plays a big rôle for performance. Apart from the rule to > order them in increasing order of variation, on my box, getting Int# > parameters first (in the core) is better (in particular, getting them > before Double# parameters, doesn't seem to make so much difference for > lists or boxed types in general), so that might explain the difference. > ...
Thanks, I'll keep that in mind. Bas _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
