[mpich-discuss] cpi
Kenneth Raffenetti
raffenet at mcs.anl.gov
Wed Mar 23 10:59:33 CDT 2016
The executable MPICH builds (and you want to run) is "cpi" in the
examples. cpi.c is a C source code file and is not executable. I suggest
you read more on how to build and execute C programs if you still have
questions.
Ken
On 03/23/2016 10:43 AM, יוסף אלון wrote:
> what do you mean?
>
>
> 2016-03-23 17:42 GMT+02:00 Kenneth Raffenetti <raffenet at mcs.anl.gov
> <mailto:raffenet at mcs.anl.gov>>:
>
> cpi.c is a source file, not an executable.
>
> On 03/23/2016 10:41 AM, יוסף אלון wrote:
>
> when i do this i reciev:
>
> cluster at elec-cluster-1 ~ $ *_mpiexec -n 5 -f machinefile
> ./mpich2/mpich-3.1/examples/cpi.c_*
> [proxy:0:0 at elec-cluster-1] HYDU_create_process
> (/home/cluster/mpich2/mpich-3.1/src/pm/hydra/utils/launch/launch.c:75):
> execvp error on file ./mpich2/mpich-3.1/examples/cpi.c
> (Permission denied)
>
> ===================================================================================
> = BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES
> = PID 2895 RUNNING AT 147.161.4.200
> = EXIT CODE: 255
> = CLEANING UP REMAINING PROCESSES
> = YOU CAN IGNORE THE BELOW CLEANUP MESSAGES
> ===================================================================================
> [proxy:0:1 at elec-cluster-2] HYDU_create_process
> (/home/cluster/mpich2/mpich-3.1/src/pm/hydra/utils/launch/launch.c:75):
> execvp error on file ./mpich2/mpich-3.1/examples/cpi.c
> (Permission denied)
> [proxy:0:4 at elec-cluster-5] HYDU_create_process
> (/home/cluster/mpich2/mpich-3.1/src/pm/hydra/utils/launch/launch.c:75):
> ===================================================================================
> = BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES
> = PID 7382 RUNNING AT 147.161.4.201
> = EXIT CODE: 255
> = CLEANING UP REMAINING PROCESSES
> = YOU CAN IGNORE THE BELOW CLEANUP MESSAGES
> ===================================================================================
>
> 2016-03-23 17:34 GMT+02:00 Kenneth Raffenetti
> <raffenet at mcs.anl.gov <mailto:raffenet at mcs.anl.gov>
> <mailto:raffenet at mcs.anl.gov <mailto:raffenet at mcs.anl.gov>>>:
>
> The error in your first message was that mpiexec was unable
> to find
> the file "./examples/cpi".
>
> The error in your second message is that mpiexec was unable
> to find
> your "machinefile".
>
> Please make sure you are giving the correct paths to these
> files in
> your mpiexec command.
>
> Ken
>
> On 03/23/2016 10:20 AM, יוסף אלון wrote:
>
> i am not using a share network and i have it on the
> place in all
> nodes.
> and thus file are located in same place on every node.
> i tried to run like this allso
> תמונה מוטבעת 1
>
> 2016-03-23 17:06 GMT+02:00 Kenneth Raffenetti
> <raffenet at mcs.anl.gov <mailto:raffenet at mcs.anl.gov>
> <mailto:raffenet at mcs.anl.gov <mailto:raffenet at mcs.anl.gov>>
> <mailto:raffenet at mcs.anl.gov
> <mailto:raffenet at mcs.anl.gov> <mailto:raffenet at mcs.anl.gov
> <mailto:raffenet at mcs.anl.gov>>>>:
>
>
>
> Are you executing your commands from a shared network
> filesystem? If
> not, have you copied your MPI installation and cpi
> binaries
> into the
> same location on all the machines in your cluster?
>
> Ken
>
> On 03/23/2016 09:47 AM, יוסף אלון wrote:
>
>
> hiii
>
> i am new here and i have a 18 node cluster
> that works
> pretty
> good when i
> execute the command:
>
> *mpiexec -f machinefile -n 18 hostname
> * and the folowing output:
> elec-cluster-1
> elec-cluster-2
> elec-cluster-3
> elec-cluster-5
> elec-cluster-4
> elec-cluster-6
> elec-cluster-7
> elec-cluster-9
> elec-cluster-8
> elec-cluster-10
> elec-cluster-11
> elec-cluster-13
> elec-cluster-14
> elec-cluster-15
> elec-cluster-16
> elec-cluster-12
> elec-cluster-18
> elec-cluster-17
>
> when i execute the command:
> *mpiexec -n 5 -f machinefile ./examples/cpi*
>
> nothing is seems to work and i receive:
>
> [proxy:0:0 at elec-cluster-1] HYDU_create_process
>
>
> (/home/cluster/mpich2/mpich-3.1/src/pm/hydra/utils/launch/launch.c:75):
> execvp error on file ./examples/cpi (No such
> file or
> directory)
>
>
>
> ===================================================================================
> = BAD TERMINATION OF ONE OF YOUR APPLICATION
> PROCESSES
> = PID 2806 RUNNING AT 147.161.4.200
> = EXIT CODE: 255
> = CLEANING UP REMAINING PROCESSES
> = YOU CAN IGNORE THE BELOW CLEANUP MESSAGES
>
>
> ===================================================================================
> [proxy:0:2 at elec-cluster-3] HYDU_create_process
>
>
> (/home/cluster/mpich2/mpich-3.1/src/pm/hydra/utils/launch/launch.c:75):
> execvp error on file ./examples/cpi (No such
> file or
> directory)
> [proxy:0:3 at elec-cluster-4] HYDU_create_process
>
>
> (/home/cluster/mpich2/mpich-3.1/src/pm/hydra/utils/launch/launch.c:75):
>
>
> ===================================================================================
> = BAD TERMINATION OF ONE OF YOUR APPLICATION
> PROCESSES
> = PID 6718 RUNNING AT 147.161.4.202
> = EXIT CODE: 255
> = CLEANING UP REMAINING PROCESSES
> = YOU CAN IGNORE THE BELOW CLEANUP MESSAGES
>
>
> ===================================================================================
>
> i dont know what to do?
> another think is how to run and compile a c
> program?
>
> --
> בברכה, יוסף אלון
> 050-4916740
>
>
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