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Subject: Re: [OMPI users] Valgrind Warning
From: Gabriele Fatigati (g.fatigati_at_[hidden])
Date: 2008-12-15 11:05:24


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
>
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>

-- 
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]