[issue9124] Mailbox module demonstrates infeasibly slow performance

2011-01-12 Thread Lennart Regebro

Lennart Regebro rege...@gmail.com added the comment:

I can confirm on Ubuntu and with other example mailboxes. Looping through the 
messages and printing the subjects takes around 200-300 times longer under 
Python 3 than under Python 2.

--
nosy: +lregebro

___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue9124
___
___
Python-bugs-list mailing list
Unsubscribe: 
http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com



[issue9124] Mailbox module demonstrates infeasibly slow performance

2011-01-12 Thread Raymond Hettinger

Changes by Raymond Hettinger rhettin...@users.sourceforge.net:


--
priority: normal - high

___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue9124
___
___
Python-bugs-list mailing list
Unsubscribe: 
http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com



[issue9124] Mailbox module demonstrates infeasibly slow performance

2011-01-12 Thread Raymond Hettinger

Raymond Hettinger rhettin...@users.sourceforge.net added the comment:

Can you confirm using the Py3.2 head?
Am curious if Antoine's optimizations helped here.

--
nosy: +pitrou, rhettinger

___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue9124
___
___
Python-bugs-list mailing list
Unsubscribe: 
http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com



[issue9124] Mailbox module demonstrates infeasibly slow performance

2011-01-12 Thread Lennart Regebro

Lennart Regebro rege...@gmail.com added the comment:

3.2 sees a small improvement when running the Steve test:

Python 2.6.6: 0.0291s

Python 3.1.2: 31.1s

Python 3.2b2+: 28.8s

This is Ubuntu 10.04 on ext3, with all Pythons compiled from source, with no 
configure attributes except a prefix.

I wonder if the differences between different unix systems can have to do with 
what the default system encoding is? Mine is UTF-8.

--

___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue9124
___
___
Python-bugs-list mailing list
Unsubscribe: 
http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com



[issue9124] Mailbox module demonstrates infeasibly slow performance

2010-07-11 Thread A.M. Kuchling

Changes by A.M. Kuchling li...@amk.ca:


--
nosy: +akuchling

___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue9124
___
___
Python-bugs-list mailing list
Unsubscribe: 
http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com



[issue9124] Mailbox module demonstrates infeasibly slow performance

2010-06-30 Thread Steve Holden

New submission from Steve Holden st...@holdenweb.com:

The attached program completes in less than half a second under Python 2.5. 
Under Python 3 it takes almost three minutes on the same system. The issue 
appears to be heavy use of decoding, at least in a Windows system, during 
creation of the mailbox toc. The disparity may be less remarkable when not 
profiling.

Further attachments will include a test data file (a Thunderbird mailbox taken 
from the same host system) and profiler outputs from the 2.5 and 3.1 runs of 
this program.

--
components: Library (Lib)
files: test_thunderbird_mailbox.py
messages: 108978
nosy: holdenweb
priority: normal
severity: normal
stage: unit test needed
status: open
title: Mailbox module demonstrates infeasibly slow performance
type: performance
versions: Python 3.1
Added file: http://bugs.python.org/file17809/test_thunderbird_mailbox.py

___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue9124
___
___
Python-bugs-list mailing list
Unsubscribe: 
http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com



[issue9124] Mailbox module demonstrates infeasibly slow performance

2010-06-30 Thread Steve Holden

Changes by Steve Holden st...@holdenweb.com:


Added file: http://bugs.python.org/file17810/test.mailbox

___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue9124
___
___
Python-bugs-list mailing list
Unsubscribe: 
http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com



[issue9124] Mailbox module demonstrates infeasibly slow performance

2010-06-30 Thread Steve Holden

Changes by Steve Holden st...@holdenweb.com:


Added file: http://bugs.python.org/file17811/test2.5.out

___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue9124
___
___
Python-bugs-list mailing list
Unsubscribe: 
http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com



[issue9124] Mailbox module demonstrates infeasibly slow performance

2010-06-30 Thread Steve Holden

Changes by Steve Holden st...@holdenweb.com:


Added file: http://bugs.python.org/file17812/test3.1.out

___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue9124
___
___
Python-bugs-list mailing list
Unsubscribe: 
http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com



[issue9124] Mailbox module demonstrates infeasibly slow performance

2010-06-30 Thread Steve Holden

Steve Holden st...@holdenweb.com added the comment:

Thread at http://aspn.activestate.com/ASPN/Mail/Message/python-dev/3873005 
refers to this issue. Posted files are already attached herewith.

--

___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue9124
___
___
Python-bugs-list mailing list
Unsubscribe: 
http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com



[issue9124] Mailbox module demonstrates infeasibly slow performance

2010-06-30 Thread Giampaolo Rodola'

Changes by Giampaolo Rodola' g.rod...@gmail.com:


--
nosy: +giampaolo.rodola

___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue9124
___
___
Python-bugs-list mailing list
Unsubscribe: 
http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com