s really strange, but i can't figure out the source!
do you have any other ideas?
thanks
Vittorio
Date: Wed, 25 Feb 2009 20:20:51 -0500
From: Jeff Squyres
Subject: Re: [OMPI users] 3.5 seconds before application launches
To: Open MPI Users
Message-ID: <86d3b246-1866-4b84-b05c-4d13659f8...
figure out the source!
do you have any other ideas?
thanks
Vittorio
List-Post: users@lists.open-mpi.org
Date: Wed, 25 Feb 2009 20:20:51 -0500
From: Jeff Squyres
Subject: Re: [OMPI users] 3.5 seconds before application launches
To: Open MPI Users
Message-ID: <86d3b246-1866-4b84-b05c-4d13659f8...@
Dorian raises a good point.
You might want to try some simple tests of launching non-MPI codes
(e.g., hostname, uptime, etc.) and see how they fare. Those will more
accurately depict OMPI's launching speeds. Getting through MPI_INIT
is another matter (although on 2 nodes, the startup shou
Vittorio wrote:
Hi!
I'm using OpenMPI 1.3 on two nodes connected with Infiniband; i'm using
Gentoo Linux x86_64.
I've noticed that before any application starts there is a variable amount
of time (around 3.5 seconds) in which the terminal just hangs with no output
and then the application starts
Hi!
I'm using OpenMPI 1.3 on two nodes connected with Infiniband; i'm using
Gentoo Linux x86_64.
I've noticed that before any application starts there is a variable amount
of time (around 3.5 seconds) in which the terminal just hangs with no output
and then the application starts and works well.
