hi there, all!

Matthew Flaschen matthew.flaschen at gatech.edu
Tue Jan 27 09:14:41 UTC 2009

Gilles Gravier wrote:
> 64 bits doesn't give you "better computation power". It gives you more
> addressing space. That's all.
> The price you have to pay is that for every operation you tend to have
> to move around twice the amount of data than with 32 bits.

It's not true that every data structure is twice as big.  Only longs and
pointers are twice as big.  Everything smaller is unchanged.  See

However, I agree that many use cases do have worse performance.

Matt Flaschen

More information about the ubuntu-users mailing list