Mailinglist Archive: opensuse (686 mails)

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Re: [opensuse] 64 bit vs 32 bit RAM consumption
On 7/23/2013 11:40 AM, Anton Aylward wrote:
If you have 4G of RAM or less the real question is 'why bother?'

The main advantage of 64-bit is the address space. For CAD, games and such
and massively multi-user servers where there is more than 64G of
memory, yes 64-bit addressing counts.




Doesn't PAE play into this some how?
http://en.wikipedia.org/wiki/Physical_Address_Extension

My understanding is that PAE improvements allow 32bit code to handle up to 6gig
of memory
and still closely match 64bit performance, and under linux PAE support could
handle
up to 64gig of memory with a 32bit processor.

At one time the PAE kernel was the OpenSuse default, maybe it still is for
32bit processors.


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