Re: x86 question: Can a process have > 3GB memory?

From: Robert Love (rml@tech9.net)
Date: Thu May 09 2002 - 16:40:10 EST


On Thu, 2002-05-09 at 14:24, tchiwam wrote:

> How about other architectures ? like PowerPc.
> Last calculation I did used 11GB of ram (no swap) on a big Number
> Muncher... Would it be nice to use the same code for testing on 32
> architectures with swap ?

All 32-bit architectures have a 4GB address space, 64-bit architectures
obviously have a much bigger one (depends on the arch how many bits are
used for the address space).

PPC obviously does not have the dumb physical memory limitations x86
has, however.

Anyhow, Rik's mmap trick will work on any arch, not just x86.

        Robert Love

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