No. There's a difference between "mpirun -np 1 ./my_hybrid_app..." and "mpirun
-np 2 ./...".
Run "mpirun -np 1 ./my_hybrid_app..." will increase the performance with
more number of threads, but run "mpirun -np 2 ./..." decrease the
performance.
--
Huiwei Lv
On Tue, Oct 25, 2011 at 12:00 AM, wro
Not a direct answer to your question, but have you tried using Eclipse with the
Parallel Platform Tools installed?
http://eclipse.org/ptp/
From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On Behalf
Of devendra rai
Sent: Monday, October 24, 2011 2:50 PM
To: us...@open-mpi.org
Hello Community,
I have been struggling with visual debugging on cluster machines. So far, I
tried to work around the problem, or total avoid it, but no more.
I have three machines on the cluster: a.s1.s2, b.s1.s2 and c.s1.s2. I do not
have admin privileges on any of these machines.
Now, I wan
Dear all,
I want to automatically checkpoint an MPI program with OpenMPI ( I'm
currently using 1.4.2 version with BLCR 0.8.2),
not by manually typing ompi-checkpoint command line from another terminal.
So I would like to know if there is a way to call checkpoint function from
inside an MPI program
Does the difference persist if you run the single process using mpirun? In
other words, does "mpirun -np 1 ./my_hybrid_app..." behave the same as "mpirun
-np 2 ./..."?
There is a slight difference in the way procs start when run as singletons. It
shouldn't make a difference here, but worth test
Dear List,
I have a hybrid MPI/Pthreads program named "my_hybrid_app", this program is
memory-intensive and take advantage of multi-threading to improve memory
throughput. I run "my_hybrid_app" on two machines, which have same hardware
configuration but different OS and GCC. The problem is: when I
