[mpich-discuss] cpi
יוסף אלון
yos104104 at gmail.com
Wed Mar 23 11:13:17 CDT 2016
tried to cd and do this command but premission denied so i did sudo and
then he said mpicc: command not found.
cluster at elec-cluster-1 ~/mpich2/mpich-3.1/examples $* mpicc -o cpi cpi.c*
/usr/bin/ld: cannot open output file cpi: Permission denied
collect2: ld returned 1 exit status
cluster at elec-cluster-1 ~/mpich2/mpich-3.1/examples $ *sudo mpicc -o cpi
cpi.c*
[sudo] password for cluster:
sudo: mpicc: command not found
2016-03-23 18:09 GMT+02:00 sanjesh pant <spant3474 at gmail.com>:
> First compile it by using command as
> mpicc -o cpi cpi.c
> On 23 Mar 2016 21:33, "יוסף אלון" <yos104104 at gmail.com> wrote:
>
>> but i do want to run a C source code all over the nodes?
>> and allso when i run only the cpi witout .c nothing is hapning.
>> i think you the only one who can help me.
>> thank you
>>
>> 2016-03-23 17:59 GMT+02:00 Kenneth Raffenetti <raffenet at mcs.anl.gov>:
>>
>>> 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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>>
>>
>> --
>> בברכה, יוסף אלון
>> 050-4916740
>>
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>
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