Re: st: RE: Memory usage in Stata 11 and 12

[roland andersson <rolandersson@gmail.com>]

So my question is the effects of this new automatic memory management
in terms of maximum size of available memory for data compared to
Stata 11 given the RAM installed.

Roland

2011/7/29 Nick Cox <njcoxstata@gmail.com>:
> No "seems" about it! Stata 12 has automatic memory management. But
> whatever limitations Windows imposes are limitations that remain.
>
> Nick
>
> On Fri, Jul 29, 2011 at 10:01 AM, roland andersson
> <rolandersson@gmail.com> wrote:
>> Thank you Jan
>>
>> This answers my first question. I was aware of the limits of 32-bit OS
>> but thought it was larger than 2.1GB. I obviously have more memory
>> available which I thought would have at least some impact as WinXP 32
>> bit can adress 4GB.
>>
>> I think there are possibilities to force Windows XP to load processes
>> during the boot-process to upper memory in a better fashion, ie the
>> /3GB parameter in boot.ini but would like an advice by someone more
>> experienced before I start experimenting.
>>
>> Now waiting for information about Stata 12 as it seems to use memory
>> differently than previous version.
>>
>> Regards
>>
>> Roland Andersson
>>
>>
>> 2011/7/29 Jan Bryla <JBR@finansraadet.dk>:
>>> See http://www.stata.com/support/faqs/win/winmemory.html as a start.
>>>
>>> /Jan
>>>
>>> -----Original Message-----
>>> From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of roland andersson
>>> Sent: 29. juli 2011 09:03
>>> To: statalist@hsphsun2.harvard.edu
>>> Subject: st: Memory usage in Stata 11 and 12
>>>
>>> I found 1 MB of memory laying around at home and upgraded my laptop
>>> Lenovo T400 from 2 GB to 3 GB RAM. However, this did not have any
>>> effect on the available memory for Stata11. I could adress 1200 MB
>>> both before and after the upgrade. I am using Windows XP 32-bit.
>>>
>>> Is there any utility for windows that can help me find a way to make
>>> more room for Stata? I know that I can use msconfig to block out some
>>> processes, but it is difficult to know what processes that is not
>>> necessary. I would rather have a utility that can decide where the
>>> processes are loaded. Another possibility would be to load Stata early
>>> during the boot process. Is that possible?
>>>
>>> I have also had the experience that Stata had less memory available
>>> after upgrading from Stata 9 to Stata 11. I wonder if Stata 12 is more
>>> efficient in memory usage? If I upgrade will I have more, or less,
>>> memory available for data, or does Stata still need uninterrupetd
>>> memoryblocks?
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