Diego, did you update your code to check all MPI calls are successful ? (e.g. test ierr is MPI_SUCCES after each MPI call)
can you write a short program that reproduce the same issue ? if not, is your program and input data public ally available ? Cheers, Gilles On Thursday, September 3, 2015, Diego Avesani <diego.aves...@gmail.com> wrote: > Dear Nick, Dear all, > > I use mpi. > > I recompile everything, every time. > > I do not understand what I shall do. > > Thanks again > > Diego > > Diego > > > On 3 September 2015 at 16:52, Nick Papior <nickpap...@gmail.com > <javascript:_e(%7B%7D,'cvml','nickpap...@gmail.com');>> wrote: > >> When you change environment, that is change between OpenMPI and Intel >> MPI, or compiler, it is recommended that you recompile everything. >> >> use mpi >> >> is a module, you cannot mix these between compilers/environments, sadly >> the Fortran specification does not enforce a strict module format which is >> why this is necessary. >> >> >> >> 2015-09-03 14:43 GMT+00:00 Diego Avesani <diego.aves...@gmail.com >> <javascript:_e(%7B%7D,'cvml','diego.aves...@gmail.com');>>: >> >>> Dear Jeff, Dear all, >>> I normaly use "USE MPI" >>> >>> This is the answar fro intel HPC forum: >>> >>> *If you are switching between intel and openmpi you must remember not to >>> mix environment. You might use modules to manage this. As the data types >>> encodings differ, you must take care that all objects are built against the >>> same headers.* >>> >>> Could someone explain me what are these modules and how I can use them? >>> >>> Thanks >>> >>> Diego >>> >>> Diego >>> >>> >>> On 2 September 2015 at 19:07, Jeff Squyres (jsquyres) < >>> jsquy...@cisco.com <javascript:_e(%7B%7D,'cvml','jsquy...@cisco.com');>> >>> wrote: >>> >>>> Can you reproduce the error in a small example? >>>> >>>> Also, try using "use mpi" instead of "include 'mpif.h'", and see if >>>> that turns up any errors. >>>> >>>> >>>> > On Sep 2, 2015, at 12:13 PM, Diego Avesani <diego.aves...@gmail.com >>>> <javascript:_e(%7B%7D,'cvml','diego.aves...@gmail.com');>> wrote: >>>> > >>>> > Dear Gilles, Dear all, >>>> > I have found the error. Some CPU has no element to share. It was a my >>>> error. >>>> > >>>> > Now I have another one: >>>> > >>>> > Fatal error in MPI_Isend: Invalid communicator, error stack: >>>> > MPI_Isend(158): MPI_Isend(buf=0x137b7b4, count=1, INVALID DATATYPE, >>>> dest=0, tag=0, comm=0x0, request=0x7fffe8726fc0) failed >>>> > >>>> > In this case with MPI does not work, with openMPI it works. >>>> > >>>> > Could you see some particular information from the error message? >>>> > >>>> > Diego >>>> > >>>> > >>>> > Diego >>>> > >>>> > >>>> > On 2 September 2015 at 14:52, Gilles Gouaillardet < >>>> gilles.gouaillar...@gmail.com >>>> <javascript:_e(%7B%7D,'cvml','gilles.gouaillar...@gmail.com');>> wrote: >>>> > Diego, >>>> > >>>> > about MPI_Allreduce, you should use MPI_IN_PLACE if you want the same >>>> buffer in send and recv >>>> > >>>> > about the stack, I notice comm is NULL which is a bit surprising... >>>> > at first glance, type creation looks good. >>>> > that being said, you do not check MPIdata%iErr is MPI_SUCCESS after >>>> each MPI call. >>>> > I recommend you first do this, so you can catch the error as soon it >>>> happens, and hopefully understand why it occurs． >>>> > >>>> > Cheers, >>>> > >>>> > Gilles >>>> > >>>> > >>>> > On Wednesday, September 2, 2015, Diego Avesani < >>>> diego.aves...@gmail.com >>>> <javascript:_e(%7B%7D,'cvml','diego.aves...@gmail.com');>> wrote: >>>> > Dear all, >>>> > >>>> > I have notice small difference between OPEN-MPI and intel MPI. >>>> > For example in MPI_ALLREDUCE in intel MPI is not allowed to use the >>>> same variable in send and receiving Buff. >>>> > >>>> > I have written my code in OPEN-MPI, but unfortunately I have to run >>>> in on a intel-MPI cluster. >>>> > Now I have the following error: >>>> > >>>> > atal error in MPI_Isend: Invalid communicator, error stack: >>>> > MPI_Isend(158): MPI_Isend(buf=0x1dd27b0, count=1, INVALID DATATYPE, >>>> dest=0, tag=0, comm=0x0, request=0x7fff9d7dd9f0) failed >>>> > >>>> > >>>> > This is ho I create my type: >>>> > >>>> > CALL MPI_TYPE_VECTOR(1, Ncoeff_MLS, Ncoeff_MLS, >>>> MPI_DOUBLE_PRECISION, coltype, MPIdata%iErr) >>>> > CALL MPI_TYPE_COMMIT(coltype, MPIdata%iErr) >>>> > ! >>>> > CALL MPI_TYPE_VECTOR(1, nVar, nVar, coltype, MPI_WENO_TYPE, >>>> MPIdata%iErr) >>>> > CALL MPI_TYPE_COMMIT(MPI_WENO_TYPE, MPIdata%iErr) >>>> > >>>> > >>>> > do you believe that is here the problem? >>>> > Is also this the way how intel MPI create a datatype? >>>> > >>>> > maybe I could also ask to intel MPI users >>>> > What do you think? >>>> > >>>> > Diego >>>> > >>>> > >>>> > _______________________________________________ >>>> > users mailing list >>>> > us...@open-mpi.org >>>> <javascript:_e(%7B%7D,'cvml','us...@open-mpi.org');> >>>> > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users >>>> > Link to this post: >>>> http://www.open-mpi.org/community/lists/users/2015/09/27523.php >>>> > >>>> > _______________________________________________ >>>> > users mailing list >>>> > us...@open-mpi.org >>>> <javascript:_e(%7B%7D,'cvml','us...@open-mpi.org');> >>>> > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users >>>> > Link to this post: >>>> http://www.open-mpi.org/community/lists/users/2015/09/27524.php >>>> >>>> >>>> -- >>>> Jeff Squyres >>>> jsquy...@cisco.com <javascript:_e(%7B%7D,'cvml','jsquy...@cisco.com');> >>>> For corporate legal information go to: >>>> http://www.cisco.com/web/about/doing_business/legal/cri/ >>>> >>>> _______________________________________________ >>>> users mailing list >>>> us...@open-mpi.org <javascript:_e(%7B%7D,'cvml','us...@open-mpi.org');> >>>> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users >>>> Link to this post: >>>> http://www.open-mpi.org/community/lists/users/2015/09/27525.php >>> >>> >>> >>> _______________________________________________ >>> users mailing list >>> us...@open-mpi.org <javascript:_e(%7B%7D,'cvml','us...@open-mpi.org');> >>> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users >>> Link to this post: >>> http://www.open-mpi.org/community/lists/users/2015/09/27527.php >>> >> >> >> >> -- >> Kind regards Nick >> >> _______________________________________________ >> users mailing list >> us...@open-mpi.org <javascript:_e(%7B%7D,'cvml','us...@open-mpi.org');> >> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users >> Link to this post: >> http://www.open-mpi.org/community/lists/users/2015/09/27528.php >> > >
