[Haskell-cafe] [ANNOUNCE] haskell-mpi-1.0.0

Thomas Schilling nominolo at googlemail.com
Tue Dec 14 03:13:18 CET 2010

Could you please add your package to the wiki section at

On 9 December 2010 21:40, Dmitry Astapov <dmitry at well-typed.com> wrote:
> Dear Haskellers,
> We are pleased to announce the release of haskell-mpi-1.0.0, a suite of
> Haskell bindings to the C MPI library and convenience APIs on top of it.
> About MPI
> ---------
> MPI, the Message Passing Interface, is a popular communications protocol for
> distributed parallel computing (http://www.mpi-forum.org/).
> MPI applications consist of independent computing processes which share
> information by message passing. It supports both point-to-point and
> collective communication operators, and manages much of the mundane aspects
> of message delivery. There are several high-quality implementations of MPI
> available, all of which conform to the standard API specification (the
> latest version of which is 2.2). The MPI specification defines interfaces
> for C, C++ and Fortran, and bindings are available for many other
> programming languages.
> About Haskell-MPI
> -----------------
> As the name suggests, Haskell-MPI provides a Haskell interface to MPI, and
> thus facilitates distributed parallel programming in Haskell. It is
> implemented on top of the C API via Haskell's foreign function interface.
> Haskell-MPI provides three different ways to access MPI's functionality:
>    * A direct binding to the C interface (see
> Control.Parallel.MPI.Internal).
>    * A convenient interface for sending arbitrary serializable Haskell data
> values as messages (see Control.Parallel.MPI.Simple).
>    * A high-performance interface for working with (possibly mutable) arrays
> of storable Haskell data types (see Control.Parallel.MPI.Fast).
> We do not currently provide exhaustive coverage of all the functions and
> types defined by MPI 2.2, although we do provide bindings to the most
> commonly used parts. In future we plan to extend coverage based on the needs
> of projects which use the library.
> The package is available from
> http://hackage.haskell.org/package/haskell-mpi. Examples and comprehensive
> testsuite are included in the source distribution.
> Code was tested on 32- and 64-bit platforms, with MPICH2 and OpenMPI. The
> Fast API shows performance comparable to C, and the Simple API is generally
> 2-7 time slower due to (de)serialization overhead and necessity to issue
> additional MPI requests behind the curtains in some cases.
> Bernie Pope started this project as a rewrite of hMPI which was written by
> Michael Weber and Hal Daume III. He was later joined by Dmitry Astapov,
> working on the library as part of Well-Typed LLP's Parallel Haskell Project.
> Development is happening on GitHub, in git://github.com/bjpop/haskell-mpi.
> Please join in!
> Sincerely yours,
> Dmitry Astapov, Bernie Pope
> --
> Dmitry Astapov
> Well-Typed LLP, http://www.well-typed.com/
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