[Haskell-cafe] Re: Haskell performance in heavy numerical
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.
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