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https://github.com/microsoft/microsoft-mpi

Microsoft MPI
https://github.com/microsoft/microsoft-mpi

microsoft-mpi mpi-library ms-mpi windows-hpc

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Microsoft MPI

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README 

        
# Microsoft MPI



Microsoft MPI (MS-MPI) is a Microsoft implementation of the [Message Passing Interface standard](https://www.mpi-forum.org) for developing and running parallel applications on the Windows platform.



MS-MPI offers several benefits:



  - Ease of porting existing code that uses [MPICH](https://www.mpich.org).

  - Security based on Active Directory Domain Services.

  - High performance on the Windows operating system.

  - Binary compatibility across different types of interconnectivity options.



## Version of MPI standard 



MS-MPI is MPI 2.2 compliant with the exception of Fortran bindings errata around attributes interop between C and Fortran. MS-MPI implements a subset of features from MPI 3.1 standard:

  - Non-blocking collectives,

  - RMA,

  - MPI shared memory,

  - New datatypes,

  - Large counts,

  - Matched probe.



For the full list of APIs please see [Microsoft MPI Reference](https://docs.microsoft.com/en-us/message-passing-interface/microsoft-mpi).



## MS-MPI downloads



The following are current downloads for MS-MPI:



  - [MS-MPI v10.1.2](https://www.microsoft.com/download/details.aspx?id=100593) (new\!) - see [Release notes](microsoft-mpi-release-notes.md)

  - The MS-MPI SDK is also available on [Nuget](https://www.nuget.org/packages/msmpisdk/).



Earlier versions of MS-MPI are available from the [Microsoft Download Center](https://go.microsoft.com/fwlink/p/?linkid=390734).



##  Community resources



  - [Windows HPC MPI Forum](https://social.microsoft.com/forums/en-us/home?forum=windowshpcmpi)

  - [Contact the MS-MPI Team](mailto:[email protected])



## Microsoft high performance computing resources



  - Featured tutorial: [How to compile and run a simple MS-MPI program](https://blogs.technet.com/b/windowshpc/archive/2015/02/02/how-to-compile-and-run-a-simple-ms-mpi-program.aspx)

  - Featured guide: [Set up a Windows RDMA cluster with HPC Pack and A8 and A9 instances to run MPI applications](https://azure.microsoft.com/documentation/articles/virtual-machines-windows-hpcpack-cluster-rdma/)

  - [Microsoft High Performance Computing for Developers](https://msdn.microsoft.com/en-us/library/ff976568.aspx)

  - [Microsoft HPC Pack (Windows HPC Server) Technical Library](https://technet.microsoft.com/library/cc514029)

  - [Azure HPC Scenarios](https://www.microsoft.com/hpc)



# Building



## Prerequisites



 - [Visial Studio 2017](https://docs.microsoft.com/visualstudio/install/install-visual-studio)



   Please make sure to select the following workloads during installation:

    - .NET desktop development (required for CBT/Nuget packages)

    - Desktop development with C++ 



 - [Windows SDK](https://developer.microsoft.com/windows/downloads/windows-10-sdk)

 - [Windows WDK](https://docs.microsoft.com/windows-hardware/drivers/download-the-wdk)

 - [GFortran](http://mingw-w64.org/doku.php)

    - Update _GFORTRAN_BIN_ in Derectory.Build.props to the install location of GFortran

 - [Perl](https://www.perl.org/get.html#win32)



 Based on the installed VS/SDK/WDK versions, update _VCToolsVersion_ and _WindowsTargetPlatformVersion_ in Directory.Build.props



Note that the build system uses [CommonBuildToolSet(CBT)](https://commonbuildtoolset.github.io/). You may need to unblock __CBT.core.dll__ (under .build/CBT) depending on your security configurations. Please refer to [CBT documentation](https://commonbuildtoolset.github.io/#/getting-started) for additional details.



## Build

To build, open a __Native Tools Command Prompt for Visual Studio__ and  run ``msbuild`` from root folder.



# Contributing



This project welcomes contributions and suggestions.  Most contributions require you to agree to a

Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us

the rights to use your contribution. For details, visit https://cla.microsoft.com.



When you submit a pull request, a CLA-bot will automatically determine whether you need to provide

a CLA and decorate the PR appropriately (e.g., label, comment). Simply follow the instructions

provided by the bot. You will only need to do this once across all repos using our CLA.



This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/).

For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or

contact [[email protected]](mailto:[email protected]) with any additional questions or comments.