Date: Wed, 21 Feb 1996 09:26:25 -0600
Reply-To: Jonathan Fry <jon@SPSS.COM>
Sender: "SPSSX(r) Discussion" <SPSSX-L@UGA.CC.UGA.EDU>
From: Jonathan Fry <jon@SPSS.COM>
Organization: SPSS Inc.
Subject: Re: Examine procedure gives "Not enough memory" error in SPSSWIN
Quan Nguyen wrote:
> I want to examine the value of the house by county (using 1990 PUMS).
> The data file is about 100 MB. The computer is a 486 DX4-120; it has
> 16M of physical memory and 80M of virtual mem. Here's the problem:
> When I try to run the command, it would stop about halfway into
> reading the cases and complain that the maximum amount of memory that
> can be dynamically allocated has been reached and that I need to run
> the command with more workspace memory.
> Has anyone run into a problem running an examine procedure on a
> dataset this size and on a similarly configured computer?
> I had called tech support but did not get my problem resolved. One
> person told me to leave workspace memory at 512k and set mxmemory at
> 32000k. Another told me that this is not correct and that I should
> set workspace memory at 3072k and mxmemory at 14000k. Hmmm. In any
> case, neither was correct. I've tried running this same procedure on
> a UNIX machine with the command "spss -m -s 40m" and it worked
> flawlessly. What gives?
The Unix command quoted means this run needs 40 megabytes or less of
working memory. That if failed with MXMEMORY set to 32000K means it
needs more than 32000K. Try setting MXMEMORY to 40960K.