On Thu, 17 Feb 2005 01:07:18 +0000 (GMT), Ronan Cunniffe
<rcunniff at stp.dias.ie> wrote:
>> The only reason to use a 64-bit OS for number-crunching is if the
> application specifically takes advantage of the 64-bitness. If you don't
> know that it does, it probably doesn't. If the app's working dataset is
> less than 2GB, it probably doesn't. If it does, it probably doesn't
> matter much. Just say N.
>I think the biggest reason to switch to 64bit architecture is the
larger amount of possible physical memory. I'm working in a numerics
group at the moment, and that is the only real driver pushing towards
switching to 64bit (realistic problems push memory requirements easily
above 2GB).
Michael
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