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Re: st: RE: Memory usage in Stata 11 and 12
From
Nick Cox <[email protected]>
To
[email protected]
Subject
Re: st: RE: Memory usage in Stata 11 and 12
Date
Fri, 29 Jul 2011 11:01:23 +0100
As I said, my impression is that there is no difference, as nothing in
Stata 12 changes Windows, but I would want StataCorp to give the
definitive statement on that.
On Fri, Jul 29, 2011 at 10:54 AM, roland andersson
<[email protected]> wrote:
> 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 <[email protected]>:
>> 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
>> <[email protected]> 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 <[email protected]>:
>>>> See http://www.stata.com/support/faqs/win/winmemory.html as a start.
>>>>
>>>> /Jan
>>>>
>>>> -----Original Message-----
>>>> From: [email protected] [mailto:[email protected]] On Behalf Of roland andersson
>>>> Sent: 29. juli 2011 09:03
>>>> To: [email protected]
>>>> 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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>
> *
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>
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