simjs
SimJS updated with ES2015 and updated toolchain
Last updated 4 years ago by btelles .
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simjs-updated

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SimJS updated with ES2015 and updated toolchain

SIM.JS Updated is a general-purpose Discrete Event Simulation library written entirely in JavaScript.

The original implementation was written in 2011, and can be found at http://www.simjs.com

Note, the documentation on that site is slightly out of date. We're using standard ES2015 classes and idioms now, which should improve code readability. The documentation in the git repository has been updated though, and you should use that as your reference.

SIM.JS is a library for modeling discrete time event systems:

  • The library provides constructs to create Entities which are the active actors in the system and encapsulate the state and logic of the system operations.

  • The entities contend for resources, which can be Facilities (services that are requested by entities; facilities have a maximum limit on number of concurrent users) and Buffers (resources that can store finite amount of tokens; entities store or retrieve tokens from the buffers).

  • The entities communicate by waiting on Events or by sending Messages.

  • Statistics recording and analysis capability is provided by Data Series (collection of discrete, time-independent observations), Time Series (collection of discrete, time-dependent observations) and Population (the behavior of population growth and decline).

  • SIM.JS also provides a random number generation library to generate seeded random variates from various distributions, including uniform, exponential, normal, gamma, pareto and others.

SIM.JS is written in idiomatic EcmaScript 2015 JavaScript. The library is written in event-based design paradigm: the changes in system states are notified via callback functions. The design takes advantage of the powerful feature sets of JavaScript: prototype based inheritance, first-class functions, closures, anonymous functions, runtime object modifications and so on. Of course, a knowledge of these principles is not required (a lot of this is behind the scenes), but we do certainly hope that using SIM.JS will be a pleasurable experience for the amateur as well as the experienced JavaScript programmer.

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  • 2.0.3                                ...           latest (4 years ago)

6 Versions

  • 2.0.3                                ...           4 years ago
  • 2.0.2                                ...           4 years ago
  • 2.0.1                                ...           4 years ago
  • 2.0.0                                ...           4 years ago
  • 1.0.1                                ...           6 years ago
  • 1.0.0                                ...           6 years ago
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