On Nov 21, 2005, at 4:44 PM, Enrique Curchitser wrote:
OK, I'll take you up on the offer. I have 4 Power Mac G5's on a
private network connected through a GigE switch. Even for large
problems
the communications are slugish. This same code has shown to scale
to upwards of 128 processors on
OK, I'll take you up on the offer. I have 4 Power Mac G5's on a
private
network connected through a GigE switch. Even for large problems
the communications are slugish. This same code has shown to scale
to upwards of 128 processors on IBM SP's. So here is the output
to ompi_info --param bt
Enrique --
I also recently added a section to the FAQ about TCP optimization.
It's a bit sparse at the moment, but please feel free to pester us with
questions -- whenever we see good questions, we add them to the FAQ!
http://www.open-mpi.org/faq/?category=tuning
http://www.open-mpi.org/faq/
Thank you. It did the trick! Now on to optimizing the communications
over gig-ethernet.
_
Enrique Curchitser
ec...@columbia.edu
On Nov 16, 2005, at 4:29 PM, Troy Telford wrote:
On Wed, 16 Nov 2005 14:16:20 -0700, Enrique Curchitser
wrote:
Hi,
I put together a small clu
On Wed, 16 Nov 2005 14:16:20 -0700, Enrique Curchitser
wrote:
Hi,
I put together a small cluster (4 computers) which has one head node
that sees the world
and 3 that are on a private network. If I want to use the head node
(which has 2 NICs)
as part of the ring, how do I tell it to go over th
Hi,
I put together a small cluster (4 computers) which has one head node
that sees the world
and 3 that are on a private network. If I want to use the head node
(which has 2 NICs)
as part of the ring, how do I tell it to go over the NIC that is part
of the private network?
In mpich, there