ANN: Release of simulation package SimPy 1.6.1
kgmuller at xs4all.nl
Mon Nov 21 16:27:40 CET 2005
It is our pleasure to announce the release of version 1.6.1 of the SimPy
discrete event simulation package. Download from
What is SimPy?
SimPy (= Simulation in Python) is an object-oriented, process-based
discrete-event simulation language based on standard Python. It is released
under the GNU Lesser GPL (LGPL). SimPy provides the modeler with components
of a simulation model including 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. Random variates are provided by the standard Python
SimPy is in use at many universities, research institutes and in industry.
What is new?
- Addition of Tally data collection class as an alternative
to Monitor. It is intended for collecting very large data sets (50000
observations or more)
more efficiently in storage space and time than Monitor.
- Addition of function setHistogram to class Monitor for initializing
- Addition of function allEventTimes (returns event times of all scheduled
- Change of Resource to work with Tally (new Resource
API is backwards-compatible with 1.6).
- Revised function allEventNotices() for debugging/teaching purposes. It
a pretty-printed string with event times and names of process instances.
Nature/purpose of this release?
SimPy 1.6.1 is a minor sub-release of version 1.6. It does not add any new
but just provides support to efficient simulation data collection of large
numbers of observations.
Enjoy, and don't forget to give us you feedback!
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