FW: MemoryError, can I use more?

Echavarria Gregory, Maria Angelica m.echavarriagregory at umiami.edu
Mon Feb 15 01:20:44 CET 2010


Dear Chris,

One of the machines I tested my app in is 64 bit and happened the same. The RAM consumed by the OS and other processes is already included in the 2.2 I'm telling... my app enters to work when the RAM is already consumed in ~600 MB in the 3- 32 bit machines ... in the 64 bit machine was exactly the same only that it started a little bit higher because it has windows 7... so should I understand that there is nothing I can do for my app to use up more RAM?

Thanks for your time and answer,
Angelica.


M. Angelica Echavarria-Gregory, M.Sc., E.I.
Ph.D Candidate
University of Miami
Phone 305 284-3611

________________________________
From: Chris Kaynor [ckaynor at zindagigames.com]
Sent: Friday, February 12, 2010 7:44 PM
To: Echavarria Gregory, Maria Angelica
Cc: python-list at python.org
Subject: Re: MemoryError, can I use more?

A 32 bit app can only use 4 GB of memory itself (regardless of the amount of system ram), the OS claims some of this for the system, dlls occupy some of it, etc. As such, the app can only really use a smaller subset (generally between 2 to 3 GB, depending upon the app and the OS).

Chris


On Fri, Feb 12, 2010 at 4:21 PM, Echavarria Gregory, Maria Angelica <m.echavarriagregory at umiami.edu<mailto:m.echavarriagregory at umiami.edu>> wrote:
Dear group:

I am developing a program using Python 2.5.4 in windows 32 OS. The amount of data it works with is huge. I have managed to keep memory footprint low, but have found that, independent of the physical RAM of the machine, python always gives the MemoryError message when it has occupied exactly only 2.2 GB. I have tested this in 4 different machines, all with memory of 3 to 4 GB... I'm amazed.

Could any of you please help me to figure out how to change that limit? I typed help(MemoryError) and it is a class itself, but that help told me nothing I can use...

Thanks,
Angelica.
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