[mpich-discuss] installing and using MPI_PUBLISH_NAME andMPI_LOOKUP_NAME with mpich2

[Bernard Secher - SFME/LGLS]

My test program work very well with opnempi, but I want to use mpich2 
too, if it is possible...

How can I use mpd  with mpich2 ?

Leon Yuhanov a écrit :
> hey,ditch hydra. use mpd its easier for quick simple stuff. move onto lam-mpi or open-mpi after that.
>
>
> Bernard Secher - SFME/LGLS <bernard.secher at cea.fr> wrote:
>
> When I tried to use hydra_nameserver I get the followinf error message 
> when I launch my application:
>
> [secher at is209011 essai]$ [mpiexec at is209011] HYDU_sock_read 
> (/data/tmplgls/secher/mpich2-1.3.2p1-src/src/pm/hydra/utils/sock/sock.c:223): 
> read errno (Input/output error)
> [mpiexec at is209011] control_cb 
> (/data/tmplgls/secher/mpich2-1.3.2p1-src/src/pm/hydra/pm/pmiserv/pmiserv_cb.c:249): 
> assert (!closed) failed
> [mpiexec at is209011] HYDT_dmxu_poll_wait_for_event 
> (/data/tmplgls/secher/mpich2-1.3.2p1-src/src/pm/hydra/tools/demux/demux_poll.c:77): 
> callback returned error status
> [mpiexec at is209011] HYD_pmci_wait_for_completion 
> (/data/tmplgls/secher/mpich2-1.3.2p1-src/src/pm/hydra/pm/pmiserv/pmiserv_pmci.c:206): 
> error waiting for event
> [mpiexec at is209011] main 
> (/data/tmplgls/secher/mpich2-1.3.2p1-src/src/pm/hydra/ui/mpich/mpiexec.c:404): 
> process manager error waiting for completion
>
> What is wrong
>
> My application is just a little test program. I have attached it to this 
> message.
>
> Bernard
>
> Pavan Balaji a écrit :
>   
>> [please keep mpich-discuss cc'ed]
>>
>> On 06/16/2011 02:18 AM, Bernard Secher - SFME/LGLS wrote:
>>     
>>> How can I use the default publish mechanism? My Publish/lookup is
>>> hapenning between two different applications. Is there an option to give
>>> to mpiexec for that ?
>>>       
>> Do you have a shared file-system? If yes, you don't need to modify 
>> anything. It should just work. If no, then read below:
>>
>>     
>>> If I use the pmi option, the mpiexec -nameserver -help give the
>>> following message:
>>> -nameserver: Nameserver to use for publish/lookup (format is host:port)
>>>
>>> I don't understand what I have to do with this option.
>>> First I launch the hydra_nameserver . Do I give some options to
>>> hydra_nameserver ? Do I give some options then, to the two mpiexec to
>>> launch my two applications?
>>>       
>> There are no options required for hydra_nameserver. The two mpiexec's 
>> will need the -nameserver {hostname} option, where {hostname} is the 
>> name of the host where the nameserver is running.
>>
>>  -- Pavan
>>
>>     
>
>
>   


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