[mpich-discuss] Not able to run MPI program parallely...

[Albert Spade]

Hi Pavan,

As you said I installed new mpiexec. Now I am getting this error.
Whether I have to do this new mpiexec changes to all the remaining four
nodes?
Here is my partial screenshot:
-----------------------------------
[root at beowulf bin]# cd bin/
[root at beowulf bin]# ls
hydra_nameserver  hydra_pmi_proxy  mpiexec.hydra
hydra_persist     mpiexec          mpirun
[root at beowulf bin]# pwd
/opt/mpich2-1.4.1p1/bin/bin
[root at beowulf bin]# mpiexec -n 4 /opt/mpich2-1.4.1p1/examples/./cpi
-bash: mpiexec: command not found
[root at beowulf bin]# ls
hydra_nameserver  hydra_pmi_proxy  mpiexec.hydra
hydra_persist     mpiexec          mpirun
[root at beowulf bin]# mpiexec -n 4 /opt/mpich2-1.4.1p1/examples/./cpi
-bash: mpiexec: command not found
[root at beowulf bin]# PATH=/opt/mpich2-1.4.1p1/bin/bin/:$PATH
[root at beowulf bin]# export PATH
[root at beowulf bin]# which mpiexec
/opt/mpich2-1.4.1p1/bin/bin/mpiexec
[root at beowulf bin]# mpiexec -n 4 /opt/mpich2-1.4.1p1/examples/./cpi
Process 0 of 4 is on beowulf.master
Process 1 of 4 is on beowulf.master
Process 2 of 4 is on beowulf.master
Process 3 of 4 is on beowulf.master
pi is approximately 3.1415926544231239, Error is 0.0000000008333307
wall clock time = 0.000260
[root at beowulf bin]# mpiexec -f /root/hosts -n 4
/opt/mpich2-1.4.1p1/examples/./cpi
bash: /opt/mpich2-1.4.1p1/bin/bin//hydra_pmi_proxy: No such file or
directory
bash: /opt/mpich2-1.4.1p1/bin/bin//hydra_pmi_proxy: No such file or
directory
bash: /opt/mpich2-1.4.1p1/bin/bin//hydra_pmi_proxy: No such file or
directory
^C[mpiexec at beowulf.master] Sending Ctrl-C to processes as requested
[mpiexec at beowulf.master] Press Ctrl-C again to force abort
[mpiexec at beowulf.master] HYD_pmcd_pmiserv_send_signal
(./pm/pmiserv/pmiserv_cb.c:166): assert (!closed) failed
[mpiexec at beowulf.master] ui_cmd_cb (./pm/pmiserv/pmiserv_pmci.c:79): unable
to send signal downstream
[mpiexec at beowulf.master] HYDT_dmxu_poll_wait_for_event
(./tools/demux/demux_poll.c:77): callback returned error status
[mpiexec at beowulf.master] HYD_pmci_wait_for_completion
(./pm/pmiserv/pmiserv_pmci.c:205): error waiting for event
[mpiexec at beowulf.master] main (./ui/mpich/mpiexec.c:437): process manager
error waiting for completion
[root at beowulf bin]#


On Wed, May 2, 2012 at 12:32 AM, Pavan Balaji <balaji at mcs.anl.gov> wrote:

>
> On 05/01/2012 02:01 PM, Albert Spade wrote:
>
>> Thanks alot for your help.
>> Can you please tell me how can I recompile with this new mpiexec?? As in
>> ui folder  I found mpiexec.c and mpiexec.h.
>> So whether first I have to compile mpiexec.c and create mpiexec. And
>> then use this mpiexec to compile my cpi.c program?
>> Sorry for my simple query. I am new to the field of clusters and MPI.
>>
>
> ./configure --prefix=`pwd`/install && make && make install
>
> You'll find the new mpiexec in `pwd`/install/bin
>
>
>  -- Pavan
>
> --
> Pavan Balaji
> http://www.mcs.anl.gov/~balaji
>
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