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From |
Mauro Mastrogiacomo <M.Mastrogiacomo@cpb.nl> |

To |
"'statalist@hsphsun2.harvard.edu'" <statalist@hsphsun2.harvard.edu> |

Subject |
RE: st: RE: Memory usage in Stata 11 and 12 |

Date |
Fri, 29 Jul 2011 12:12:34 +0200 |

Nick, relate to this. You say that stata 12 now has an automatic memory management. I am about to activate Stata 12 also. Say that in Stata 12 you set the memory to 900m (to use a big file for instance), and that after some manipulations in your do file you manage to reduce the needed memory, does stata 12 automatically manage to reduce the memory that is being reserved? The allocation of large memory with set mem is problematic when users access stata from a server, as the unused reserved memory might prevent other users to allocate memory also. Mauro -----Original Message----- From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Nick Cox Sent: vrijdag 29 juli 2011 12:01 To: statalist@hsphsun2.harvard.edu Subject: Re: st: RE: Memory usage in Stata 11 and 12 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 <rolandersson@gmail.com> 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 <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? >> * >> * For searches and help try: >> * http://www.stata.com/help.cgi?search >> * http://www.stata.com/support/statalist/faq >> * http://www.ats.ucla.edu/stat/stata/ >> > > * > * For searches and help try: > * http://www.stata.com/help.cgi?search > * http://www.stata.com/support/statalist/faq > * http://www.ats.ucla.edu/stat/stata/ > * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/ -- ================================================================================ Dit bericht kan informatie bevatten die niet voor u is bestemd. Indien u niet de geadresseerde bent of dit bericht abusievelijk aan u is toegezonden, wordt u verzocht dat aan de afzender te melden en het bericht te verwijderen. De Staat aanvaardt geen aansprakelijkheid voor schade, van welke aard ook, die verband houdt met risico's verbonden aan het elektronisch verzenden van berichten. This message may contain information that is not intended for you. If you are not the addressee or if this message was sent to you by mistake, you are requested to inform the sender and delete the message. The State accepts no liability for damage of any kind resulting from the risks inherent in the electronic transmission of messages. ================================================================================ * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**Follow-Ups**:**Re: st: RE: Memory usage in Stata 11 and 12***From:*Nick Cox <njcoxstata@gmail.com>

**References**:**st: Memory usage in Stata 11 and 12***From:*roland andersson <rolandersson@gmail.com>

**st: RE: Memory usage in Stata 11 and 12***From:*Jan Bryla <JBR@finansraadet.dk>

**Re: st: RE: Memory usage in Stata 11 and 12***From:*roland andersson <rolandersson@gmail.com>

**Re: st: RE: Memory usage in Stata 11 and 12***From:*Nick Cox <njcoxstata@gmail.com>

**Re: st: RE: Memory usage in Stata 11 and 12***From:*roland andersson <rolandersson@gmail.com>

**Re: st: RE: Memory usage in Stata 11 and 12***From:*Nick Cox <njcoxstata@gmail.com>

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