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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
web: http://benpfaff.org