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CHANGELOG.md

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News

v1.4.1 - 2024-05-03

  • Permit stores put! methods to cast the value being placed to the type appropriate for the given store.
  • Added examples to the documentation that were lost around the time of the rewrite for v0.5 in 2018.

v1.4.0 - 2023-08-07

  • Implement a DelayQueue, i.e. a QueueStore with latency between the store and take events.
  • Bugfix to QueueStore and StackStore for take events on empty stores.

v1.3.0 - 2023-08-07

  • Implement ordered versions of Store, namely QueueStore and StackStore.

v1.2.0 - 2023-08-06

  • Priorities can now be non-integer.
  • Relax some of the previous deprecations, implement Base.lock and Base.trylock, and document the differences in blocking and yield-ness of Base and ConcurrentSim methods.

v1.1.0 - 2023-08-02

  • Start using Base's API: Base.unlock, Base.islocked, Base.isready, Base.put!, Base.take!. Deprecate put, release. Moreover, consider using Base.take! instead of Base.get (which was not deprecated yet, as we decide which semantics to follow). Lastly, Base.lock and Base.trylock are not implement -- they are superficially similar to request and tryrequest, but have to be explicitly @yield-ed.
  • Implement tryrequest (similar to Base.trylock). However, consider also using Base.isready and request instead of tryrequest.

v1.0.0 - 2023-05-03

  • Rename from SimJulia.jl to ConcurrentSim.jl

Changelog of SimJulia.jl before the renaming

  • v0.8.2 (2021)
    • implementation of Store based on a Dict
  • v0.8.1 (2021)
    • some minor bug fixes
    • uses ResumableFunctions v0.6 or higher
  • v0.8 (2019)
    • adds support for Julia v1.2.
  • v0.7 (2018)
    • adds support for Julia v1.0
  • v0.6 (2018)
    • adds support for Julia v0.7.
    • the @oldprocess macro and the produce / consume functions are removed because they are no longer supported.
  • v0.5 (2018)
    • The old way of making processes is deprecated in favor of the semi-coroutine approach as implemented in ResumableFunctions. The @process macro replaces the @coroutine macro. The old @process macro is temporarily renamed @oldprocess and will be removed when the infrastructure supporting the produce and the consume functions is no longer available in Julia. (DONE)
    • This version no longer integrates a continuous time solver. A continuous simulation framework based on DISCO and inspired by the standalone QSS solver using ConcurrentSim as its discrete-event engine can be found in the repository QuantizedStateSystems (WIP):
    • Documentation is automated with Documenter.jl (WIP: Overview and Tutorial OK).
  • v0.4.1 (2017)
    • the @resumable and @yield macros are put in a separate package ResumableFunctions:
    • Users have to take into account the following syntax change: @yield return arg is replaced by @yield arg.
  • v0.4 (2017) only supports Julia v0.6 and above. It is a complete rewrite: more julian and less pythonic. The discrete event features are on par with v0.3 (SimPy v3) and following features are added:
    • Scheduling of events can be done with Base.Dates.Datetime and Base.Dates.Period
    • Two ways of making Processes are provided:
      • using the existing concept of Tasks
      • using a novel finite-statemachine approach
    • A continuous time solver based on the standalone QSS solver is implemented. Only non-stiff systems can be solved efficiently.
  • v0.3 (2015) synchronizes the API with SimPy v3 and is Julia v0.3, v0.4 and v0.5 compatible:
    • Documentation is available at readthedocs.
    • The continuous time solver is not implemented.
  • v0.2 (2014) introduces a continuous time solver inspired by the Simula library DISCO and is Julia v0.2 and v0.3 compatible.
  • v0.1 (2013) is a Julia clone of SimPy v2 and is Julia v0.2 compatible.