[Haskell-cafe] Haskell version of ray tracer code is much slower
than the original ML
Mark T.B. Carroll
mark at ixod.org
Thu Jun 21 15:29:17 EDT 2007
Philip Armstrong <phil at kantaka.co.uk> writes:
> Why on earth would you use -fexcess-precision if you're using Floats?
> The excess precision only apples to Doubles held in registers on x86
> IIRC. (If you spill a Double from a register to memory, then you lose
> the extra precision bits in the process).
Some googling suggests that point 2 on
might have been what I was thinking of.
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