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Subject: Re: [OMPI users] Valgrind Warning
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2008-12-15 11:16:03


To followup for the list, I just filed ticket https://svn.open-mpi.org/trac/ompi/ticket/1719
  about this issue.

On Dec 15, 2008, at 8:05 AM, Gabriele Fatigati wrote:

> Well,
> thanks very much for your support.
>
> Regards.
>
> 2008/12/15 Jeff Squyres <jsquyres_at_[hidden]>:
>> On Dec 15, 2008, at 7:59 AM, Gabriele Fatigati wrote:
>>
>>> Ok,
>>> thanks a lot,
>>> as soon as possibile, i''install 1.3 version.
>>>
>>> But i don't understand why MPI_Recv warnings are detected. Which is
>>> the difference with MPI_Send warnings? Modules involved in OpenMPI
>>> are
>>> differents?
>>
>> Yes and no. They are different code paths, so I can see how
>> different verbs
>> are used, and different control buffers are passed during the
>> sequence.
>> It's probably either a missed valgrind annotation in libibverbs or
>> something that OMPI is doing (where we *hopefully* have valgrind
>> annotations
>> in v1.3...).
>>
>> --
>> Jeff Squyres
>> Cisco Systems
>>
>> _______________________________________________
>> users mailing list
>> users_at_[hidden]
>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>>
>>
>
>
>
> --
> Ing. Gabriele Fatigati
>
> Parallel programmer
>
> CINECA Systems & Tecnologies Department
>
> Supercomputing Group
>
> Via Magnanelli 6/3, Casalecchio di Reno (BO) Italy
>
> www.cineca.it Tel: +39 051 6171722
>
> g.fatigati_at_[hidden]
> _______________________________________________
> users mailing list
> users_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/users

-- 
Jeff Squyres
Cisco Systems