Re: New prerequisites to support multi image COARRAY in gfortran

2017-04-04 Thread Jerry DeLisle
On 04/04/2017 10:44 AM, FX wrote: >> We choose mpich as a default only because it is very stable. > > Why are why tying ourselves to one MPI implementation? > > FX > Not tying ourselves at all. This just gives users who install gcc manually with the ./configure process a default to use and

Re: New prerequisites to support multi image COARRAY in gfortran

2017-04-04 Thread Damian Rouson
  On April 4, 2017 at 9:48:23 AM, Jerry DeLisle (jvdeli...@charter.net(mailto:jvdeli...@charter.net)) wrote: > Gerald, (or who does this) > > Since shared memory parallel programming with Fortran is now a Standard > feature > of the language, we would like to support full parallelism

Re: New prerequisites to support multi image COARRAY in gfortran

2017-04-04 Thread Damian Rouson
  Resending as plain text (although now I realize my reply is at least partially redundant since reading Andre’s email): On April 4, 2017 at 10:44:09 AM, FX (fxcoud...@gmail.com(mailto:fxcoud...@gmail.com)) wrote: > > We choose mpich as a default only because it is very stable. > > Why are

Re: New prerequisites to support multi image COARRAY in gfortran

2017-04-04 Thread Andre Vehreschild
Hi FX, we don't really do. You can use other MPI implementation as well, albeit not all features are implemented in all the others. For failed images support we needed the fault tolerance support for MPI, which I see only in mpich from 3.2 on. The other MPI implementations publicy available do

Re: New prerequisites to support multi image COARRAY in gfortran

2017-04-04 Thread FX
> We choose mpich as a default only because it is very stable. Why are why tying ourselves to one MPI implementation? FX