Thanks for your reply. I did install mpich_3.2-7_amd64.deb before. When I
tried your simple mpi example, I can not even compile it and the the error
is:
hello.c: In function ‘main’:
hello.c:3:5: warning: implicit declaration of function ‘MPI_Init’
[-Wimplicit-function-declaration]
MPI_Init(NULL, NULL);
^~~~~~~~
hello.c:3:14: error: ‘NULL’ undeclared (first use in this function)
MPI_Init(NULL, NULL);
^~~~
hello.c:3:14: note: each undeclared identifier is reported only once for
each function it appears in
hello.c:7:5: warning: implicit declaration of function ‘MPI_Comm_size’
[-Wimplicit-function-declaration]
MPI_Comm_size(MPI_COMM_WORLD, &world_size);
^~~~~~~~~~~~~
hello.c:7:19: error: ‘MPI_COMM_WORLD’ undeclared (first use in this
function)
MPI_Comm_size(MPI_COMM_WORLD, &world_size);
^~~~~~~~~~~~~~
hello.c:11:5: warning: implicit declaration of function ‘MPI_Comm_rank’
[-Wimplicit-function-declaration]
MPI_Comm_rank(MPI_COMM_WORLD, &world_rank);
^~~~~~~~~~~~~
hello.c:14:25: error: ‘MPI_MAX_PROCESSOR_NAME’ undeclared (first use in
this function)
char processor_name[MPI_MAX_PROCESSOR_NAME];
^~~~~~~~~~~~~~~~~~~~~~
hello.c:16:5: warning: implicit declaration of function
‘MPI_Get_processor_name’ [-Wimplicit-function-declaration]
MPI_Get_processor_name(processor_name, &name_len);
^~~~~~~~~~~~~~~~~~~~~~
hello.c:19:5: warning: implicit declaration of function ‘printf’
[-Wimplicit-function-declaration]
printf("Hello world from processor %s, rank %d"
^~~~~~
hello.c:19:5: warning: incompatible implicit declaration of built-in
function ‘printf’
hello.c:19:5: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
hello.c:24:5: warning: implicit declaration of function ‘MPI_Finalize’
[-Wimplicit-function-declaration]
MPI_Finalize();
^~~~~~~~~~~~
<builtin>: recipe for target 'hello.o' failed
make: *** [hello.o] Error 1
Not sure if this is because of I didn't install mpi package correctly which
was installed by ubuntu software manager.
On Friday, October 27, 2017 at 12:57:55 PM UTC-5, Timo Heister wrote:
>
> Well, do you have more than one MPI library installed? If yes, you
> need to address that by removing one of them.
>
> You can check if a simple hello world MPI program compiles and runs
> correctly. See for example
>
> https://urldefense.proofpoint.com/v2/url?u=http-3A__mpitutorial.com_tutorials_mpi-2Dhello-2Dworld_&d=DwIBaQ&c=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4&r=4k7iKXbjGC8LfYxVJJXiaYVu6FRWmEjX38S7JmlS9Vw&m=xqP0pwi1MCtRPItXgJGYSlWmAdkua1-iL_svoI2Icgg&s=uE9uaCa2RV_G7HtjV6sxyfx9GduRM9wHUH-EOF3VvNM&e=
>
>
> On Thu, Oct 26, 2017 at 6:38 PM, Michael <micha...@gmail.com <javascript:>>
> wrote:
> > Hi,
> >
> > Test 4 failed after make test. I make my research and find the following
> > answer:
> >
> >
> https://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_msg_dealii_mV-2DjuFpnybA_DSBP4DArCQAJ&d=DwIBaQ&c=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4&r=4k7iKXbjGC8LfYxVJJXiaYVu6FRWmEjX38S7JmlS9Vw&m=xqP0pwi1MCtRPItXgJGYSlWmAdkua1-iL_svoI2Icgg&s=b_s_RUQD1qLw_eZ_t42IRcNKemfVWZIUnPr0jIQTF5c&e=
>
> >
> > I guess it may be caused by different version of MPI. And I get the
> > following return of suggested command:
> >
> >
> ************************************************************************************************
>
>
> > mpirun -n 2 ./mpi.debug
> > Hi from 0/1
> > Hi from 0/1
> > ERROR: process does not see nproc=2!
> > ERROR: process does not see nproc=2!
> > -------------------------------------------------------
> > Primary job terminated normally, but 1 process returned
> > a non-zero exit code.. Per user-direction, the job has been aborted.
> > -------------------------------------------------------
> >
> --------------------------------------------------------------------------
> > mpirun detected that one or more processes exited with non-zero status,
> thus
> > causing
> > the job to be terminated. The first process to do so was:
> >
> > Process name: [[18180,1],0]
> > Exit code: 255
> >
> ************************************************************************************************
>
>
> > mpiexec -n 2 ./mpi.debug
> > Hi from 0/1
> > Hi from 0/1
> > ERROR: process does not see nproc=2!
> > ERROR: process does not see nproc=2!
> > -------------------------------------------------------
> > Primary job terminated normally, but 1 process returned
> > a non-zero exit code.. Per user-direction, the job has been aborted.
> > -------------------------------------------------------
> >
> --------------------------------------------------------------------------
> > mpiexec detected that one or more processes exited with non-zero status,
> > thus causing
> > the job to be terminated. The first process to do so was:
> >
> > Process name: [[18211,1],0]
> > Exit code: 255
> >
> ************************************************************************************************
>
>
> > which mpirun
> > /usr/bin/mpirun
> >
> ************************************************************************************************
>
>
> > which mpiexec
> > /usr/bin/mpiexec
> >
> ************************************************************************************************
>
>
> >
> > Please tell me how to solve this(how to choose the correct mpi
> compiler)? Do
> > I need to reinstall dealii and trilinos? Thanks!
> >
> > --
> > The deal.II project is located at
> https://urldefense.proofpoint.com/v2/url?u=http-3A__www.dealii.org_&d=DwIBaQ&c=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4&r=4k7iKXbjGC8LfYxVJJXiaYVu6FRWmEjX38S7JmlS9Vw&m=xqP0pwi1MCtRPItXgJGYSlWmAdkua1-iL_svoI2Icgg&s=UIJ0hYC1YEmLHJ5Djjsj_XcW_2LGt7Q5raqDotwhhac&e=
>
> > For mailing list/forum options, see
> >
> https://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_forum_dealii-3Fhl-3Den&d=DwIBaQ&c=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4&r=4k7iKXbjGC8LfYxVJJXiaYVu6FRWmEjX38S7JmlS9Vw&m=xqP0pwi1MCtRPItXgJGYSlWmAdkua1-iL_svoI2Icgg&s=JKE6aBeInND4IfgBW9RSAgN9OCmcy2saC2mphp8BAMM&e=
>
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>
> .
>
>
>
> --
> Timo Heister
> http://www.math.clemson.edu/~heister/
>
--
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