performance in 64 bits machines.



On Sun, 23 Sep 2007, Steve Haflich wrote:

>   From: "P.U.Kruppa" <ulrich at pukruppa.net>
>
>   So this is what I did, but how can I find out if it uses 64-bit
>   instructions?
>
> Try (integer-length most-positive-fixnum)
60

Greetings,

Uli.

>
> This will provide a valuable hint about the implementation native word
> size, although there is of course nothing in the standard whose
> purpose is to tell you the details of data representation.  The intent
> portable language definition is to insulate you from these things.
>



Peter Ulrich Kruppa
Wuppertal
Germany