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Subject: [OMPI users] Can I start MPI_Spawn child processes early?
From: Jaison Paul (jmulerik_at_[hidden])
Date: 2010-01-25 18:09:35


Hi All,

I am trying to use MPI for scientific High Performance (hpc)
applications. I use MPI_Spawn to create child processes. Is there a way
to start child processes early than the parent process, using MPI_Spawn?

I want this because, my experiments showed that the time to spawn the
children by parent is too long for HPC apps which slows down the whole
process. If the children are ready when parent application process seeks
for them, that initial delay can be avoided. Is there a way to do that?

Thanks in advance,

Jaison
Australian National University