Re: Populating a dictionary, fast

Steven D'Aprano wrote:
(2) More memory will help avoid paging. If you can't get more memory,
try
more virtual memory. It will still be slow, but at least the
operating
system doesn't have to try moving blocks around as much.

Based on his previous post, it would seem he has 7GB of RAM (with about

5GB free) and 2GB of swap. I don't think RAM is the issue.

Maybe there's something wrong with his specific Python installation.
What version is it and was it compiled by him?


This version:

$ python
Python 2.3.4 (#1, May 2 2007, 19:18:17)
[GCC 3.4.6 20060404 (Red Hat 3.4.6-8)] on linux2
Type "help", "copyright", "credits" or "license" for more information.


$ rpm -qi python
Name : python Relocations: (not relocatable)
Version : 2.3.4 Vendor: CentOS
Release : 14.4 Build Date: Wed 02 May 2007 07:20:29 PM EDT
Install Date: Mon 04 Jun 2007 05:48:29 PM EDT Build Host: builder6
Group : Development/Languages Source RPM: python-2.3.4-14.4.src.rpm
Size : 21137194 License: PSF - see LICENSE
Signature : DSA/SHA1, Sat 05 May 2007 09:33:49 AM EDT, Key ID a53d0bab443e1821
URL : http://www.python.org/

$ uname -a
Linux xxx 2.6.9-22.ELsmp #1 SMP Sat Oct 8 21:32:36 BST 2005 x86_64 x86_64 x86_64 GNU/Linux


We've also tried it on this version (on a different machine):

$ python
Python 2.4.3 (#1, Mar 14 2007, 19:01:42)
[GCC 4.1.1 20070105 (Red Hat 4.1.1-52)] on linux2
Type "help", "copyright", "credits" or "license" for more information.

$ rpm -qi python
Name : python Relocations: (not relocatable)
Version : 2.4.3 Vendor: CentOS
Release : 19.el5 Build Date: Wed 14 Mar 2007 11:06:42 PM UTC
Install Date: Mon 29 Oct 2007 07:03:16 PM UTC Build Host: builder6
Group : Development/Languages Source RPM: python-2.4.3-19.el5.src.rpm
Size : 22087600 License: PSF - see LICENSE
Signature : DSA/SHA1, Wed 04 Apr 2007 12:26:58 AM UTC, Key ID a8a447dce8562897
URL : http://www.python.org/
Summary : An interpreted, interactive, object-oriented programming language.

$ uname -a
Linux yyy 2.6.18-8.el5 #1 SMP Thu Mar 15 19:46:53 EDT 2007 x86_64 x86_64 x86_64 GNU/Linux


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