Address Space Limit - 2.25GB Per Process?
Address Space Limit - 2.25GB Per Process?
- Subject: Address Space Limit - 2.25GB Per Process?
- From: "Jeremy T. Fox" <email@hidden>
- Date: Thu, 31 Oct 2002 02:22:21 -0800
- Resent-date: Thu, 31 Oct 2002 17:00:21 -0800
- Resent-from: "Jeremy T. Fox" <email@hidden>
- Resent-message-id: <email@hidden>
- Resent-to: email@hidden
I tried to find the most memory I could allocate via Fortran (g77) and
I got 2.25GB (on a G4 with 512MB of physical memory). Does Mac OS X
have a limit of 2.25GB per process, or is this something strange with
Fortran and/or my machine?
For comparison, Windows has a limit of 2GB per process (tunable to 3GB
if you shell out for Advanced Server), while I believe the default on
Linux is 3GB, which can be upgraded to 3.5GB with the right patch. I
don't know about FreeBSD. Clearly 64-bit machines do not have this type
of limitation.
Jeremy, who hopes that one day Apple will support 1GB DIMMs :)
--------------------
Jeremy T. Fox
email@hidden
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