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RE: st: set mem


From   "David Harrison" <david.harrison@icnarc.org>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: set mem
Date   Thu, 9 Mar 2006 08:34:43 -0000

I suspect this may be because one line of Fred's code has spilled over
two lines in his message. The following should all be on one line:

di in green "Maximum value of memory allowed by OS is " in
yellow"`memtest'm"

After setting up the command (the usual way would be to save it as
memtest.ado, although running it as a do file will make it work
temporarily), the command is just:

. memtest

David

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Andy Choi
Sent: 09 March 2006 07:32
To: statalist@hsphsun2.harvard.edu
Subject: Re: st: set mem

I ran this ado file.  Its still unclear how I could obtain the
information it should provide such as the maximum allowable memory.
After the do file, I tried the following commands:

. memtest
Maximum value of memory allowed by OS is invalid syntax . memtest
r(osmem_m) Maximum value of memory allowed by OS is invalid syntax .
memtest r(memory) Maximum value of memory allowed by OS is invalid
syntax


--- Fred Wolfe <fwolfe@arthritis-research.org> wrote:

> At 04:42 PM 3/8/2006, you wrote:
> >I have found discrepancies on the maximum memory allowed using the 
> >set mem command despite equal amounts of RAM on various computers. Is

> >there is a direct correlation between RAM on your computer and the 
> >memory allocated using the set mem command?
> >
> >Any recommendations on how to maximize set mem?
> 
> 
> I have a program that tests how much memory is available. I have not 
> sent it SSC. It is posted below.
> 
> I have a few other programs, though not necessarily the most modern 
> that do some useful things for memory.
> 
> One is called -resetmem- that allows you to reset memory without 
> clearing out current memory. It also will reduce memory automatically 
> so as not to waste memory. If there is some interest in it I can send 
> it to Kit to post on the archives.
> 
> Bill Gould, who knows so many things, thinks programs like this are a 
> bad idea because if something goes wrong you can lose your data. But 
> that's true with many programs. I've never had a problem.
> Caveat ...
> 
> Fred
> 
> *! memtest.ado v1.0.2 fw 3/30/04 determines maximum allowable memory 
> *! and current memory. Allowable value in mb is returned in r(osmem_m)

> *! keywords: memory program define memtest, rclass
>     version 8.2
>     preserve
>     clear
>     qui query memory
>     local oldmem = `r(memory)'
>     local memtest = 2000
>     while `memtest' > 100 {
>     cap set mem `memtest'm
>     if _rc == 0 {
>        di in green "Maximum value of memory allowed by OS is " in 
> yellow"`memtest'm"
>        continue, break
>     }
>     local memtest = `memtest' - 100
>     }
>     return scalar osmem_m = `memtest'
>     set mem `oldmem'k
>     restore
> end
> 
> 
> 
> Fred Wolfe
> National Data Bank for Rheumatic Diseases Wichita, Kansas
> Tel (316) 263-2125     Fax (316) 263-0761
> fwolfe@arthritis-research.org
> 
> 
> *
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> 


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