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

[Andrew Coppin]

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?