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Subject: Re: [OMPI devel] How to disable paffinity
From: Nysal Jan (jnysal_at_[hidden])
Date: 2010-07-05 23:40:48


The wiki(https://svn.open-mpi.org/trac/ompi/wiki) has some useful
information for developers. For creating a component -
https://svn.open-mpi.org/trac/ompi/wiki/devel/CreateComponent

Regards
--Nysal

2010/7/6 Õž§ <iam.chilli_at_[hidden]>

> Hi Ralph ,
>
> It is really a bad news that vxworks even doesn't include rsh server. I
> have to write a plm component using rlogin. After going through the openmpi
> website ,I can only find the some useful slides,However it is really not
> enough . I wonder if there is a document like "how to write a
> component".Thank you !
>
> ÔÚ 2010Äê7ÔÂ2ÈÕ ÉÏÎç11:39£¬Ralph Castain <rhc_at_[hidden]>дµÀ£º
>
> The rsh component checks for the existence of "fork", which may not be
>> present in vxworks. Is it? I'm afraid that component uses fork, so you may
>> have to create a vxworks component that doesn't, or at least uses the
>> equivalent.
>>
>>
>> On Jul 1, 2010, at 9:32 PM, Õž§ wrote:
>>
>> > Hi Ralph,
>> >
>> > I just copy your code in the trunk ,it seems working well. But the
>> > "mpirun ls " still stuck at the orte_plm_select ,after using ompi_info
>> > ,there is no available component for plm. I think my configure option
>> > is not the problem, for I use the same configure option to build the
>> > program under the linux ,the rsh & slurm component are both available
>> > . Maybe it is a problem of my enviroment , but I really don't know how
>> > to find the condition to include rsh component.
>> >
>> > 2010/6/30 Ralph Castain <rhc_at_[hidden]>:
>> >> You may be working off of an old version of OMPI - I updated
>> opal_paffinity awhile ago to no longer require that a component be selected.
>> Then you can no-build all paffinity components if you like and the system
>> will still startup okay.
>> >>
>> >> I don't believe this was moved over to the 1.4 release branch - afraid
>> you would have to use a developer's trunk tarball or svn checkout. It
>> -might- be in the 1.5.0 release candidates, though (I haven't looked).
>> >>
>> >> On Jun 29, 2010, at 9:36 PM, Õž§ wrote:
>> >>
>> >>> Hi all ,
>> >>>
>> >>> I tried to run the openmpi on vxworks. Now I can run program ompi_info
>> >>> etc. But it failed running "mpirun ls", the error is :
>> >>>
>> --------------------------------------------------------------------------
>> >>> It looks like opal_init failed for some reason; your parallel process
>> is
>> >>> likely to abort. There are many reasons that a parallel process can
>> >>> fail during opal_init; some of which are due to configuration or
>> >>> environment problems. This failure appears to be an internal failure;
>> >>> here's some additional information (which may only be relevant to an
>> >>> Open MPI developer):
>> >>>
>> >>> opal_paffinity_base_select failed
>> >>> --> Returned value -13 instead of OPAL_SUCCESS
>> >>>
>> --------------------------------------------------------------------------
>> >>>
>> >>> After using the ompi_info , I cann't find any available component for
>> >>> paffinity. It seems the linux component of paffinity isn't available
>> >>> . As the paffinity is not a must in openmpi . I wonder whether I can
>> >>> disable the paffinity during the running of mpirun?
>> >>> --
>> >>> Jing Zhang
>> >>> _______________________________________________
>> >>> devel mailing list
>> >>> devel_at_[hidden]
>> >>> http://www.open-mpi.org/mailman/listinfo.cgi/devel
>> >>
>> >>
>> >> _______________________________________________
>> >> devel mailing list
>> >> devel_at_[hidden]
>> >> http://www.open-mpi.org/mailman/listinfo.cgi/devel
>> >
>> >
>> >
>> > --
>> > Õž§
>> >
>> > _______________________________________________
>> > devel mailing list
>> > devel_at_[hidden]
>> > http://www.open-mpi.org/mailman/listinfo.cgi/devel
>>
>>
>>
>> _______________________________________________
>> devel mailing list
>> devel_at_[hidden]
>> http://www.open-mpi.org/mailman/listinfo.cgi/devel
>>
>
>
>
> --
> Õž§
>
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