[Haskell-cafe] Haskell version of ray tracer code is much slower than the original ML

Andrew Coppin andrewcoppin at btinternet.com
Sat Jun 23 03:49:15 EDT 2007

Donald Bruce Stewart wrote:
> Don't use -O3 , its *worse* than -O2, and somewhere between -Onot and -O iirc,
>     ghc -O2 -funbox-strict-fields -fvia-C -optc-O2 -optc-ffast-math -fexcess-precision
> Are usually fairly good.

Is this likely to be fixed ever?

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