Hi Irvine, Irvine Short wrote:
Hi All
We're thinking of buying a very big Intel box for scientific computing here.
Anyone have any opinions as to how FreeBSD would match up to an Intel server with over 8GB RAM and 4CPUs? The particular machine we're looking at will go up to 24GB RAM.
I was under the impression that any 32 bit application could not in itself address more than 4GB of data. Is this the case?
Cheers,
this question is frequently asked.
FreeBSD on ia32 does not support more than 4 GB of memory. On Alpha it is actually only 2 GB.
The general problem with ia32 and > 4 GB RAM is, that Intel designed two different implementations to address up to 36 or 32 GB. Search the mailinglist archives for more specific information.
I don't know if the support for ia32 for more than 4 GB RAM will come with 5.x - but I don't think so (at least for the first releases). Someone please correct me if I'm wrong.
Hope that helps
Marc
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