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Re: MPI compiler

From: Tim Prince <n8tm at aol dot com>
To: fortran at gcc dot gnu dot org
Date: Fri, 07 Sep 2012 17:44:52 -0400
Subject: Re: MPI compiler
References: <1102509133.40268.1347052202135.JavaMail.root@zem1.utdallas.edu>
Reply-to: tprince at computer dot org

On 9/7/2012 5:10 PM, Ernesto Oropeza wrote:

Hello,

I wonder if there is a (gfortran) MPI compiler. If yes, where can we find it?

Most major MPI versions (except commercial ones for Windows) support gfortran. Read their docs and FAQs. With open source MPI, you normally build the MPI from source code, using gfortran and its companion gcc, creating the MPI compiler wrappers (mpif77/mpif90). Those are not MPI compilers; they simply set library and include paths and use the gfortran you provide. Your favorite linux distro probably has a pre-built OpenMPI or the like, possibly so out of date that you should follow the normal build route. Intel MPI for linux includes a wrapper mpif90 which uses gfortran. Needless to say, we shouldn't pursue this until you have made a decision on OS (Windows/linux/32/64-bit). People who don't specify what they want tend to avoid the beaten path (no one in their right mind would want MPI on Windows XP32, for example).

--
Tim Prince

References:
- MPI compiler
  - From: Ernesto Oropeza

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