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ParaMonte: Plain Powerful Parallel Monte Carlo Library
======================================================
  
ParaMonte is a serial/parallel library of Monte Carlo routines for sampling mathematical objective functions 
of arbitrary-dimensions, in particular, the posterior distributions of Bayesian models in data science, Machine Learning, 
and scientific inference, with the design goal of unifying the **automation** (of Monte Carlo simulations), 
**user-friendliness** (of the library), **accessibility** (from multiple programming environments), 
**high-performance** (at runtime), and **scalability** (across many parallel processors).  

For more information on the installation, usage, and examples, visit: https://www.cdslab.org/paramonte  
  
  
ParaMonte design goals  
======================  

ParaMonte has been developed while bearing the following design goals in mind:  

-   **Full automation** of all Monte Carlo simulations to the highest levels possible to ensure the highest level of user-friendliness 
    of the library and minimal time investment requirements for building, running, and post-processing of simulation models.  

-   **Interoperability** of the core library with as many programming languages as currently possible, 
    including C/C++, Fortran, MATLAB, Python, with ongoing efforts to support other popular programming languages.  

-   **High-Performance** meticulously-low-level implementation of the library to ensure the fastest-possible Monte Carlo simulations.  

-   **Parallelizability** of all simulations via two-sided and one-sided MPI/Coarray 
    communications while requiring zero-parallel-coding efforts by the user.  

-   **Zero-dependence** on external libraries to ensure hassle-free ParaMonte library builds and ParaMonte simulation runs.  

-   **Fully-deterministic reproducibility** and automatically-enabled restart functionality 
    for all simulations up to 16 digits of precision as requested by the user.  

-   **Comprehensive-reporting and post-processing** of each simulation and its results, as well as their automatic storage in 
    external files to ensure the simulation results will be comprehensible and reproducible at any time in the distant future.  

  
Installation  
============  

The ParaMonte library installation/build process is fully automated for all of the supported programming languages. 
The pre-built ready-to-use libraries are also available on [the release page of the ParaMonte library on GitHub](https://github.com/cdslaborg/paramonte/releases). 
Each prebuilt ParaMonte library automatically ships with a full-fledged set of example codes and build scripts.  

For more information and quick-start in the programming language of your choice, visit the [ParaMonte library homepage](https://www.cdslab.org/paramonte).  

  
Dependencies  
============  

Beyond an optional MPI runtime library for parallel simulations, the ParaMonte kernel has **zero dependency** on external third-party libraries or packages.  

  
Parallelism  
===========  

The ParaMonte library relies on the Message Passing Interface (MPI) standard for inter-processor communications. 
To run a parallel simulation, you will have to have a compatible MPI runtime library installed on your system. 
In most cases, ParaMonte will automatically install the required missing libraries on your system (with your permission). 
These automatic checks and installations happen when you download, and use the library, for the first time, in your MATLAB environment. 
If the automatic installation is unsuccessful, you can also install the libraries manually on your system. 
On Windows and Linux operating systems, we highly recommend downloading and installing the [Intel MPI runtime libraries](https://software.intel.com/en-us/mpi-library), 
which is available to the public free of charge. On macOS, we recommend [Open-MPI](https://www.open-mpi.org/) since the Intel MPI library does not support macOS. 
For more information, visit [https://www.cdslab.org/paramonte/](https://www.cdslab.org/paramonte/).  

+   On **Windows** and **Linux** operating systems, we highly recommend downloading and installing the 
    [Intel MPI runtime libraries](https://software.intel.com/en-us/mpi-library), 
    which is available to the public free of charge.  
+   On **macOS**, we recommend [Open-MPI](https://www.open-mpi.org/) since the Intel MPI library does not support macOS. 
    For more information, visit [https://www.cdslab.org/paramonte/](https://www.cdslab.org/paramonte/).  

  
Citing ParaMonte  
================  

The ParaMonte library is an honor-ware and its currency is acknowledgment and citations.  
  
As per the ParaMonte library license agreement terms, if you use any parts of this library for any purposes, 
kindly acknowledge the use of the ParaMonte library in your work (education/research/industry/development/...) 
by citing the ParaMonte library's main publications as listed in [ACKNOWLEDGMENT.md](https://github.com/cdslaborg/paramonte/blob/master/ACKNOWLEDGMENT.md).  

Visit [the ParaMonte library homepage](https://www.cdslab.org/paramonte/notes/overview/preface/#how-to-acknowledge-the-use-of-the-paramonte-library-in-your-work) 
to access the PDF version of these files free of charge.  

  
License  
=======  

[MIT License](https://github.com/cdslaborg/paramonte/blob/master/LICENSE.md)  

**What does this license mean?**  

Essentially, all we are asking from the users or developers is to  

>   explicitly acknowledge the use of this library or any concepts or parts of it in their education, research, or software (free or commercial).  

This is a free software, so help us keep it freely available to the public by redistributing the library and contributing to it. 
If you have questions or concerns about the license, do not hesitate to contact us (shahmoradi@utexas.edu).  

  
Authors and contributors  
========================  

+   [Amir Shahmoradi](https://www.cdslab.org/people/#amir-shahmoradi)  
    +   astrophysicist/bioinformatician by training (and a science-lover in general),  
    +   Ph.D. in computational physics/bioinformatics from the University of Texas at Austin,  
    +   currently a faculty member of Physics and Data Science at The University of Texas at Arlington,  
    +   with teaching/research experience/background in computational and data sciences, statistics, 
        data analysis, and modeling, stochastic processes, Monte Carlo Methods, Bayesian probability theory, 
        high energy physics, astronomy and astrophysics, computational physics, Molecular Dynamics simulations, 
        biomedical science and MRI data analysis, bioinformatics and evolutionary biology (viral evolution, 
        protein dynamics, and interactions),  
    +   contact: [shahmoradi@utexas.edu](mailto:"shahmoradi@utexas.edu")  

+   [Fatemeh Bagheri](https://www.linkedin.com/in/fbagheri)  
    +   physicist / cosmologist by training,  
    +   currently a UTA Physics member,  
    +   deep philosophical thinker,  
    +   contact: [Fatemeh.Bagheri@uta.edu](mailto:"Fatemeh.Bagheri@uta.edu")  

+   [Shashank Kumbhare](https://www.cdslab.org/people/#shashank-kumbhare)  
    +   physicist / Computational Data Scientist,  
    +   currently a UTA Physics member,  
    +   contact: [shashankkumbhare8@gmail.com](mailto:"shashankkumbhare8@gmail.com")  

+   [Joshua Osborne](https://www.cdslab.org/people/#joshua-alexander-osborne)  
    +   physicist / Computational Data Scientist by training,  
    +   currently a UTA Physics member,  
    +   contact: [joshuaalexanderosborne@gmail.com](mailto:"joshuaalexanderosborne@gmail.com")  

  
Example usage instructions  
==========================  

+   For complete organized up-to-date instructions, visit: [cdslab.org/pm](https://www.cdslab.org/paramonte)  

+   For a quick look into *language-specific* README.md instructions, visit:  
    +   **C**: [https://github.com/cdslaborg/paramonte/tree/master/src/interface/C](https://github.com/cdslaborg/paramonte/tree/master/src/interface/C)  
    +   **C++**: [https://github.com/cdslaborg/paramonte/tree/master/src/interface/C++](https://github.com/cdslaborg/paramonte/tree/master/src/interface/C++)  
    +   **Fortran**: [https://github.com/cdslaborg/paramonte/tree/master/src/interface/Fortran](https://github.com/cdslaborg/paramonte/tree/master/src/interface/Fortran)  
    +   **MATLAB**: [https://github.com/cdslaborg/paramonte/tree/master/src/interface/MATLAB](https://github.com/cdslaborg/paramonte/tree/master/src/interface/MATLAB)  
    +   **Python**: [https://github.com/cdslaborg/paramonte/tree/master/src/interface/Python](https://github.com/cdslaborg/paramonte/tree/master/src/interface/Python)  


**For more information**, visit [cdslab.org/pm](https://www.cdslab.org/paramonte) or contact Amir Shahmoradi: [shahmoradi@utexas.edu](mailto:"shahmoradi@utexas.edu")