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Subject: Re: [OMPI devel] 1.3 runtime message ?
From: Don Kerr (Don.Kerr_at_[hidden])
Date: 2009-02-20 09:26:05


On 02/20/09 09:18, Jim Langston wrote:
> Jeff Squyres wrote:
>> On Feb 19, 2009, at 4:30 PM, Jim Langston wrote:
>>
>>> I'm just wondering if I compiled incorrectly, or if the message is
>>> generated because uDAPL is the default
>>> interface (I'm on OpenSolaris), which I'm wondering if I can stop
>>> from being looked at, either by
>>> compiling differently, or from the command line.
>>>
>>> This doesn't stop the message either, but stops the noisy stuff:
>>>
>>> orterun --mca orte_base_help_aggregate 0 --mca blt tcp -np 2 hello_c
>>
>>
>> I can't quite parse your statement "doesn't stop the message" vs.
>> "but stops the noisy stuff". Can you clarify what each of those means?
>>
>> Running with "--mca btl tcp,sm,self" should prevent OMPI v1.3 from
>> opening the udapl BTL, and therefore that error message shouldn't
>> appear.
> I'm not considering this an error, the job runs without any problems.
> The orte_base_help_aggregate set to 0 stops some of the other messages
> that occur, which is great, I appreciate that option. But, the option
> does not stop the point-to-point message,
> which I'm assuming, means that something is happening underneath the
> sheets and I'm being told it is getting done. With your
> option:
>
> langston_at_alpha:~/OPENMPI/openmpi-1.3/examples$ orterun --mca
> orte_base_help_aggregate 0 --mca blt tcp,sm,self -np 2 hello_c
If this is the actual run command line I believe there is a typo:
"--mca blt tcp,sm,self" should be "btl"
which should eliminate the point-to-point message.
> --------------------------------------------------------------------------
>
> [[56072,1],0]: A high-performance Open MPI point-to-point messaging
> module
> was unable to find any relevant network interfaces:
>
> Module: uDAPL
> Host: alpha
>
> Another transport will be used instead, although this may result in
> lower performance.
> --------------------------------------------------------------------------
>
> --------------------------------------------------------------------------
>
> [[56072,1],1]: A high-performance Open MPI point-to-point messaging
> module
> was unable to find any relevant network interfaces:
>
> Module: uDAPL
> Host: alpha
>
> Another transport will be used instead, although this may result in
> lower performance.
> --------------------------------------------------------------------------
>
> Hello, world, I am 0 of 2
> Hello, world, I am 1 of 2
>
> ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
>
>
> Without orte_base_help_aggregate 0:
>
> langston_at_alpha:~/OPENMPI/openmpi-1.3/examples$ orterun --mca blt
> tcp,sm,self -np 2 hello_c
> --------------------------------------------------------------------------
>
> [[56119,1],0]: A high-performance Open MPI point-to-point messaging
> module
> was unable to find any relevant network interfaces:
>
> Module: uDAPL
> Host: alpha
>
> Another transport will be used instead, although this may result in
> lower performance.
> --------------------------------------------------------------------------
>
> Hello, world, I am 0 of 2
> Hello, world, I am 1 of 2
> [alpha:10021] 1 more process has sent help message
> help-mpi-btl-base.txt / btl:no-nics
> [alpha:10021] Set MCA parameter "orte_base_help_aggregate" to 0 to see
> all help / error messages
>
>
> Thanks,
>
> Jim
>