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On Thu, Sep 29, 2005 at 10:40:47PM +1000, O Plameras wrote:

> This means that there is going to be minimal improvements from
> a 32-bit to 64-bit PCs. 

Since all your pointers are now twice as large, any data structure
that uses linked lists (or trees) is now also twice as large.
Since memory chips are not any faster on 64 bit architectures,
most of your programs will run slower.

Thankfully, AMD supports 32 bit pointers by running in back-compatibility
mode so you can still have fast programs with small data structures.

        - Tel

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