Victor,
Obviously there are many variables involved with getting the best
performance out of a machine and understanding the 2 environments you
are comparing would be necessary as well as the job. I would not be able
to get my hands on another E10K for validation or projecting possible
gains myself. If your university is looking to expand maybe gettting a
sales engineer involved for a proper analysis and proposal would be of
interest.
I am curious what benchmark you are using to compare the two platforms
though.
-DON
victor marian wrote:
Hi Don,
Seeing your mail, I suppose you are working at Sun. We
have a Sun 10000 Server at our university, and my
program runs almost as fast on 16 UltraSparc2
processors as on a pentium D.The program is perfectly
scallable. I am a little bit dissapointed. Our Sparc
II are at 400MHz, and the Pentium D at 2.8GHz. I could
expect that the pentium is 4 time faster, but not 16
times.
I wonder how a Sparc IV would perform.
Victor
--- Don Kerr <don.k...@sun.com> wrote:
Additionally, Solaris comes with the IB drivers and
since the libs are
there OMPI thinks that it is available. You can
suppress this message with
--mca btl_base_warn_component_unused 0
or specifically call out the btls you wish to use,
example
--mca btl self,sm,tcp
Brock Palen wrote:
It means that your OMPI was compiled to support
uDAPL (a type of
infinibad network) but that your computer does not
have such a card
installed. Because you dont it will fall back to
ethernet. But
because you are just running on a single machine.
You will use the
fastest form of communication using shared memory.
so you can ignore
that message. Unless in the future you add a uDAPL
powered network
and you still get that message then you need to
worry.
Brock Palen
Center for Advanced Computing
bro...@umich.edu
(734)936-1985
On Jun 10, 2007, at 9:18 AM, victor marian wrote:
Hello,
I have a Pentium D computer with Solaris 10
installed.
I installed OpenMPI, succesfully compiled my
Fortran
program, but when giving
mpirun -np 2 progexe
I receive
[0,1,0]: uDAPL on host SERVSOLARIS was unable to
find
any NICs.
Another transport will be used instead, although
this
may result in
lower performance.
I am a begginer in MPI and don't know what it
means.
What
should I do to solve the problem?
Thank you.
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