Open MPI logo

Open MPI User's Mailing List Archives

  |   Home   |   Support   |   FAQ   |   all Open MPI User's mailing list

Subject: [OMPI users] Checksuming in openmpi 1.4.1
From: Gilbert Grosdidier (grodid_at_[hidden])
Date: 2010-08-31 03:52:54


> Bonjour,
>
> I'm not sure I understand how to trigger CHECKSUM use
> inside of OpenMPI 1.4.1 (after digging in the FAQs, I got not explanations, sorry):
>
> - Is checksuming activated by default and embedded automatically
> within the Send/Recv pair mechanism, please ?
> - If not, which MCA param(S) should I set to activate it ?
> - Is there a time penalty for using it, please ?
>
> Thanks in advance for any help.
>
> --
> Regards, Gilbert.
>
>

--
*---------------------------------------------------------------------*
   Gilbert Grosdidier                 Gilbert.Grosdidier_at_[hidden]
   LAL / IN2P3 / CNRS                 Phone : +33 1 6446 8909
   Facult??des Sciences, Bat. 200     Fax   : +33 1 6446 8546
   B.P. 34, F-91898 Orsay Cedex (FRANCE)
  ---------------------------------------------------------------------