[mpich-discuss] installing and using MPI_PUBLISH_NAME and MPI_LOOKUP_NAME with mpich2
Bernard Secher - SFME/LGLS
bernard.secher at cea.fr
Mon Jun 20 03:38:18 CDT 2011
The problem occures after I launch only the first executable:
mpiexec -np 2 -nameserver is209011 testMPI2
Bernard
Pavan Balaji a écrit :
>
> Can you tell me the mpiexec command line you are using for the two
> executables?
>
> -- Pavan
>
> On 06/17/2011 01:53 AM, Bernard Secher - SFME/LGLS wrote:
>> Hi Pavan,
>>
>> I can run my application on system with a shared file-system, but also
>> on system without shared file-system.
>>
>> The usage is to perform coupling between parallel programs with more
>> than 1 process.
>>
>> My test program uses the same executable, but it can be different
>> executables.
>>
>> Bernard
>>
>> Pavan Balaji a écrit :
>>> Hi Bernard,
>>>
>>> You didn't answer my first question. Can you please let us know about
>>> this:
>>>
>>> >> 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:
>>>
>>> With respect to the test program, what's the exact usage? It looks
>>> like it needs to be run with more than 1 process. You mentioned that
>>> there are two applications? Are both using the same executable (with
>>> different input arguments)?
>>>
>>> -- Pavan
>>>
>>> On 06/16/2011 04:12 AM, Bernard Secher - SFME/LGLS 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
>>>>>
>>>>
>>>>
>>>> --
>>>>
>>>> _\\|//_
>>>> (' 0 0 ')
>>>> ____ooO (_) Ooo______________________________________________________
>>>> Bernard Sécher DEN/DM2S/SFME/LGLS mailto :bsecher at cea.fr
>>>> CEA Saclay, Bât 454, Pièce 114 Phone : 33 (0)1 69 08 73 78
>>>> 91191 Gif-sur-Yvette Cedex, France Fax : 33 (0)1 69 08 10 87
>>>> ------------Oooo---------------------------------------------------
>>>> oooO ( )
>>>> ( ) ) /
>>>> \ ( (_/
>>>> \_)
>>>>
>>>>
>>>> Ce messageélectronique et tous les fichiers attachés qu'il contient
>>>> sont confidentiels et destinés exclusivementà l'usage de la personne
>>>> à laquelle ils sont adressés. Si vous avez reçu ce message par erreur,
>>>> merci d'en avertir immédiatement sonémetteur et de ne pas en conserver
>>>> de copie.
>>>>
>>>> This e-mail and any files transmitted with it are confidential and
>>>> intended solely for the use of the individual to whom they are
>>>> addressed.
>>>> If you have received this e-mail in error please inform the sender
>>>> immediately, without keeping any copy thereof.
>>>>
>>>
>>
>>
>> --
>>
>> _\\|//_
>> (' 0 0 ')
>> ____ooO (_) Ooo______________________________________________________
>> Bernard Sécher DEN/DM2S/SFME/LGLS mailto :bsecher at cea.fr
>> CEA Saclay, Bât 454, Pièce 114 Phone : 33 (0)1 69 08 73 78
>> 91191 Gif-sur-Yvette Cedex, France Fax : 33 (0)1 69 08 10 87
>> ------------Oooo---------------------------------------------------
>> oooO ( )
>> ( ) ) /
>> \ ( (_/
>> \_)
>>
>>
>> Ce messageélectronique et tous les fichiers attachés qu'il contient
>> sont confidentiels et destinés exclusivementà l'usage de la personne
>> à laquelle ils sont adressés. Si vous avez reçu ce message par erreur,
>> merci d'en avertir immédiatement sonémetteur et de ne pas en conserver
>> de copie.
>>
>> This e-mail and any files transmitted with it are confidential and
>> intended solely for the use of the individual to whom they are
>> addressed.
>> If you have received this e-mail in error please inform the sender
>> immediately, without keeping any copy thereof.
>>
>
--
_\\|//_
(' 0 0 ')
____ooO (_) Ooo______________________________________________________
Bernard Sécher DEN/DM2S/SFME/LGLS mailto : bsecher at cea.fr
CEA Saclay, Bât 454, Pièce 114 Phone : 33 (0)1 69 08 73 78
91191 Gif-sur-Yvette Cedex, France Fax : 33 (0)1 69 08 10 87
------------Oooo---------------------------------------------------
oooO ( )
( ) ) /
\ ( (_/
\_)
Ce message électronique et tous les fichiers attachés qu'il contient
sont confidentiels et destinés exclusivement à l'usage de la personne
à laquelle ils sont adressés. Si vous avez reçu ce message par erreur,
merci d'en avertir immédiatement son émetteur et de ne pas en conserver
de copie.
This e-mail and any files transmitted with it are confidential and
intended solely for the use of the individual to whom they are addressed.
If you have received this e-mail in error please inform the sender
immediately, without keeping any copy thereof.
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