Int vs Word performance?
marlowsd at gmail.com
Fri Feb 27 11:39:21 EST 2009
Claus Reinke wrote:
> PS. perhaps on newer 64 bit machines, explicitly selecting
> 32 bits can offer savings? I'd certainly expect selecting
> 64 bits on a 32 bit machine to lead to slowdowns.
Unlikely, I'd have thought. We implement all the explicitly sized integral
types by zero-extending or sign-extending to the size of an Int/Word.
That's why there are no primitive types or operations for Word8#, Word16#, etc.
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