LAM/MPI logo

LAM/MPI General User's Mailing List Archives

  |   Home   |   Download   |   Documentation   |   FAQ   |   all just in this list

From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2004-10-20 06:34:35


On Oct 19, 2004, at 5:32 PM, zfarkas_at_[hidden] wrote:

> I'm experimenting with checkpointing using the 'self' module. I'd
> like to know
> if I can be sure that the message queues are empty (no messages are
> being
> transferred on the network) when the running MPI processes get singal
> SIGUSR1.

No, you cannot. You can only be sure that no messages will be lost
upon restart.

-- 
{+} Jeff Squyres
{+} jsquyres_at_[hidden]
{+} http://www.lam-mpi.org/