[mpich-discuss] I can not make MPI recognizes a dual core

[Yessica Brinkmann]

Very thanks for your interest.
When I write smpd -start the system response to me:
OpenSCManager failed: Denied access. (error 5)

I see the MPICH2 Installer's Guide too.
I will thanks any help.
Yessica Brinkmann

2010/5/21 Gus Correa <gus at ldeo.columbia.edu>:
> Hi
>
> Sorry, I am not familiar to the MPICH2 launching mechanism
> in Windows.
> I only run MPI programs on Linux.
> I think it is smpd, but the MPICH developers may help more.
>
> It may well be that you need only to do
> "smpd -start"
> before you run the
> "mpiexec ..."
> command.
> However, this is just a guess.
>
> Or, you probably can find more reliable information in the
> MPICH2 Installer's Guide, pages 23-24,
> You can download it from this link:
>
> http://www.mcs.anl.gov/research/projects/mpich2/documentation/index.php?s=docs
>
> You may also find the User Guide there, for more information.
>
> I hope this helps.
> Gus Correa
>
> Yessica Brinkmann wrote:
>>
>> Very thanks for your response. I am using windows 7 and I execute at
>> windows comman line mpiexec -np 2 my_program.exe that you say to me,
>> at the MPICH2\bin directory.
>> The system response to me:
>> Please specify an authentication passphrase for smpd:
>> And then I write the authentication passphrase that I write on the
>> MPICH instalation and the system response to me:
>> Error while connectig to host, No se puede establecer una conexión ya
>> que el equipo de destino denegó expresamente dicha conexión (10061)
>> Connect on sock(host=User-PC, port=8676) failed, exhaused all end
>> points Unable to connect to 'User-PC:8678', sock error: Error = -1
>> I will thanks you very much any help.
>> Thanks,
>> Yessica Brinkmann
>>
>> 2010/5/21 Yessica Brinkmann <yessica.brinkmann at gmail.com>:
>>>
>>> Very thanks for your response.
>>> The problem is that I am using Visual C++ with Visual Studio 2008 and
>>> I am not execute my program from the command line. What I can to do?
>>> Very thanks for your interest.
>>> Yessica Brinkmann
>>>
>>> 2010/5/21 Gus Correa <gus at ldeo.columbia.edu>:
>>>>
>>>> Hi
>>>>
>>>> Even in a single core machine it should work (oversubscribing the
>>>> processor), I suppose.
>>>>
>>>> Did you ask for two processes/processors in your mpirun/mpiexec command?
>>>>
>>>> mpiexec -np 2 my_program
>>>>
>>>> "man mpiexec" is also a helpful source of information.
>>>>
>>>>
>>>> I hope it helps
>>>> Gus Correa
>>>>
>>>> Yessica Brinkmann wrote:
>>>>>
>>>>> Hello. I am using MPICH2. I am writing my first program in MPI. I
>>>>> write the sentences:
>>>>> ...
>>>>> int id;
>>>>> MPI_Comm_rank (MPI_COMM_WORLD, & id);
>>>>> if (id == 0)
>>>>> / * Master task * /
>>>>> (
>>>>> ...
>>>>> )
>>>>> else
>>>>> / * Worker task * /
>>>>> (
>>>>> ...
>>>>> )
>>>>> And I write other sentences. The issue is that it does not recognize a
>>>>> DualCore processor, and takes the machine as it only has one
>>>>> processor, indeed, never enters the else.
>>>>> I would appreciate very much any help.
>>>>> Sincerely,
>>>>> Yessica Brinkmann
>>>>> _______________________________________________
>>>>> mpich-discuss mailing list
>>>>> mpich-discuss at mcs.anl.gov
>>>>> https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss
>>>>
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