[Haskell-cafe] Re[2]: Haskell performance in heavy numerical computations

Brent Fulgham bfulg at pacbell.net
Tue Jul 11 01:27:19 EDT 2006

On Jul 10, 2006, at 4:23 AM, Donald Bruce Stewart wrote:
> Ah! In this case, on the debian, the benchmark has been compiled
> _without_ -fexcess-precision, that's what's causing the big slow down.
> We had to turn it on, on the gp4, but it seems the flag wasn't
> propagated to the debian/sempron builds for some reason.
> Looks like the ghc/mandelbrot benchmarks just needs to be rerun with
> -fexcess-precision in this case.

Ah!  Thanks for noticing this -- I did not catch it.

I've rerun, and the new value is more like 0.428 secs for 600.



More information about the Haskell-Cafe mailing list