ANN: Simulation package SimPy -- release 2.0 beta
kgmuller
kgmuller at xs4all.nl
Sun Nov 2 19:47:26 CET 2008
We are happy to announce the release of SimPy 2.0 beta, a major release.
Download from:
https://sourceforge.net/project/showfiles.php?group_id=62366&release_id=6374
17
Feedback (errors found, proposals for changes, etc.) is
requested, using the SimPy Users Mailing List
(mailto:simpy-users <at>lists.sourceforge.net).
The new version has been largely developed by
What is SimPy?
--------------
SimPy is a process-based discrete-event simulation language
based on standard Python and released under the GNU LGPL.
It provides the modeller with components of a simulation
model. These include processes, for active components like
customers, messages, and vehicles, and resources, for
passive components that form limited capacity congestion
points like servers, checkout counters, and tunnels. It
also provides monitor variables to aid in gathering
statistics.
What is new in SimPy 2.0?
-------------------------
In addition to its existing API, SimPy now also has an
object oriented API.
The additional API
- allows running SimPy in parallel on multiple processors
or multi-core CPUs, using Parallel Python.
- supports better structuring of SimPy programs,
- allows easy extension of model classes by sub-classing,
thus providing a capability for developing application
libraries,
- allows subclassing of class *Simulation* and thus
provides users with the capability of creating new
simulation modes/libraries like *SimulationTrace*, and
- reduces the total amount of SimPy code, thereby making
it easier to maintain.
Note that the OO API is in addition to the old API.
SimPy 2.0 is fully backward compatible.
SimPy's documentation has been restructured and processed
by the Sphinx documentation generation tool. This has
generated one coherent, well structured document which can
be easily browsed. A search capability is included.
Acknowledgments
---------------
SimPy 2.0 has been primarily developed by Stefan Scherfke
and Ontje Lünsdorf, starting from SimPy 1.9. Their work
has resulted in a most elegant combination of an object
oriented API with the existing API, maintaining full
backward compatibility. It has been quite easy to
integrate their product into the existing SimPy code
and documentation environment.
Thanks, guys, for this great job! SimPy 2.0 is dedicated to you!
The many contributions of the SimPy user and developer
communities are of course also gratefully acknowledged.
Download, test, enjoy and give us feedback!
Happy SimPying!
Klaus Muller Tony Vignaux
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