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Re: your PSPP presentation

From: Ben Pfaff
Subject: Re: your PSPP presentation
Date: Thu, 02 Nov 2006 07:00:20 -0800
User-agent: Gnus/5.110006 (No Gnus v0.6) Emacs/21.4 (gnu/linux)

John Darrington <address@hidden> writes:

> On Wed, Nov 01, 2006 at 09:09:03PM -0800, Ben Pfaff wrote:
>      For most purposes, cases should be limited only by the amount of
>      disk space you have available, with a hard limit of about 2
>      billion cases.  Increased RAM will speed up operations, if you
>      allow PSPP to use that RAM with SET WORKSPACE.
>      Variables are limited by your machine's memory, again with a hard
>      limit of about 2 billion variables.  Each variable should require
>      less than 1 kB of RAM, although large numbers of value labels
>      increase memory requirements.
>      I should add these figures to the documentation.
> The 2 billion (approx) limit, is just the size of 2^31 .  

Yes, and we could raise it to 2^63, even on a 32-bit machine,
without much trouble if it ever becomes a problem for anyone.
Ben Pfaff 
email: address@hidden

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