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LLNL / mpiBench

MPI benchmark to test and measure collective performance
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Where is srun? #1

Open mahmoodn opened 6 years ago

mahmoodn commented 6 years ago

Hi, What is that srun? I don't see that file after make

[mahmood@rocks7 mpiBench]$ ls
crunch_mpiBench  makefile  mpiBench.c  README.md
[mahmood@rocks7 mpiBench]$ make
rm -f mpiBench *.o
mpicc  -o mpiBench mpiBench.c
mpiBench.c: In function ‘Print_Timings’:
mpiBench.c:295:9: warning: ‘MPI_Attr_get’ is deprecated (declared at /opt/openmpi/include/mpi.h:1242): MPI_Attr_get is superseded by MPI_Comm_get_attr in MPI-2.0 [-Wdeprecated-declarations]
         MPI_Attr_get(comm, dimid_key, (void*) &str, &flag); 
         ^
mpiBench.c: In function ‘main’:
mpiBench.c:935:5: warning: ‘MPI_Keyval_create’ is deprecated (declared at /opt/openmpi/include/mpi.h:1569): MPI_Keyval_create is superseded by MPI_Comm_create_keyval in MPI-2.0 [-Wdeprecated-declarations]
     MPI_Keyval_create(MPI_NULL_COPY_FN, MPI_NULL_DELETE_FN, &dimid_key, (void*) &extra_state);
     ^
mpiBench.c:935:5: warning: ‘OMPI_C_MPI_NULL_COPY_FN’ is deprecated (declared at /opt/openmpi/include/mpi.h:861): MPI_NULL_COPY_FN is deprecated in MPI-2.0 [-Wdeprecated-declarations]
mpiBench.c:935:5: warning: ‘OMPI_C_MPI_NULL_DELETE_FN’ is deprecated (declared at /opt/openmpi/include/mpi.h:857): MPI_NULL_DELETE_FN is deprecated in MPI-2.0 [-Wdeprecated-declarations]
mpiBench.c:942:5: warning: ‘MPI_Attr_put’ is deprecated (declared at /opt/openmpi/include/mpi.h:1244): MPI_Attr_put is superseded by MPI_Comm_set_attr in MPI-2.0 [-Wdeprecated-declarations]
     MPI_Attr_put(comms[0], dimid_key, (void*) &comm_desc[256*current_comm]); 
     ^
mpiBench.c:980:13: warning: ‘MPI_Attr_put’ is deprecated (declared at /opt/openmpi/include/mpi.h:1244): MPI_Attr_put is superseded by MPI_Comm_set_attr in MPI-2.0 [-Wdeprecated-declarations]
             MPI_Attr_put(comms[current_comm], dimid_key, (void*) &comm_desc[256*current_comm]); 
             ^
mpiBench.c:995:9: warning: ‘MPI_Attr_put’ is deprecated (declared at /opt/openmpi/include/mpi.h:1244): MPI_Attr_put is superseded by MPI_Comm_set_attr in MPI-2.0 [-Wdeprecated-declarations]
         MPI_Attr_put(comms[current_comm], dimid_key, (void*) &comm_desc[256*current_comm]); 
         ^
[mahmood@rocks7 mpiBench]$ ls
crunch_mpiBench  makefile  mpiBench  mpiBench.c  README.md
rmdcoding commented 6 years ago

@mahmoodn srun is a command used to submit a job to SLURM, which is a resource manager.

Here is a link to SLURM: https://slurm.schedmd.com/quickstart.html

If you don't have SLURM, or don't want to use it, you can simply run the executables with mpirun or mpiexec.