[mythtv-users] OT: 32bit or 64bit OS
robert.macaulay at gmail.com
Mon Jun 16 21:16:21 UTC 2008
On Mon, Jun 16, 2008 at 2:39 PM, Stuart Larson <halcyon at obfus.com> wrote:
> How much RAM? I believe anything over 3.8Gig is unusable under 32-bit,
> and would need 64-bit. I don't know of any other relevant differences,
> but I don't run 64-bit anyway :)
You can use more for things like filesystem caching on a 32 bit os w/ a PAE
enabled kernel. And I believe that multiple processes each can use up to 3
gigs each. 64 bit allows a single process to get more than 3Gig, and is a
bit more efficient since enabling PAE on a 32 bit proc causes a slight
performance hit to all memory access, above or below 4Gig.
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