[R] Performance difference between 32-bit build and 64-bit bu ild on Solaris 8

[Liaw, Andy]

> From: Peter Dalgaard
[snip]
> While your setup is in place, you might want to play around with the
> higher optimization levels. GCC on AMD64 sees a quite substantial
> speedup from -O2 to -O3.

On our SLES8 amd64 boxes, I had trouble with g77 -O3 (build failed).  Have
not tried with newer GCC.

Andy
 
> -- 
>    O__  ---- Peter Dalgaard             Øster Farimagsgade 5, Entr.B
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