CHANGES FROM VERSION 1.9.1: SimPy

Authors:	Tony Vignaux <Vignaux@users.sourceforge.net> Klaus Muller <Muller@users.sourceforge.net>
SimPy version:	1.9.1
SimPy Web-site:	http://simpy.sourceforge.net/
SimPy wiki:	http://www.mcs.vuw.ac.nz/cgi-bin/wiki/SimPy
Python-Version:	2.3+
Revision:	1.1.1.16
Date:	2008-03-15

This document addresses the difference between SimPy versions 1.9 and version 1.9.1 in terms of changes and additions.

Repairs

This bug-fix release cures the following bugs:

Excessive production of circular garbage, due to a circular reference between Process instances and event notices. This led to large memory requirements.
Runtime error for preempts of proceeses holding multiple Resource objects.