Hi Jeff,
The same problem is seen with OpenMPI v2.1.0 too.
Thanks,
-Harsha
On Thu, Apr 13, 2017 at 4:41 PM, Jeff Squyres (jsquyres)
wrote:
> Can you try the latest version of Open MPI? There have been bug fixes in the
> MPI one-sided area.
>
> Try Open MPI v2.1.0, or v2.0.2 if you want to st
Dear Ralph,
thanks a lot for this valuable advice. Binding now works like expected!
Since adding the ":pe=" option I'm getting warnings
WARNING: a request was made to bind a process. While the system
supports binding the process itself, at least one node does NOT
support binding memory to
You can always specify a particular number of cpus to use for each process by
adding it to the map-by directive:
mpirun -np 8 --map-by ppr:2:socket:pe=5 --use-hwthread-cpus -report-bindings
--mca plm_rsh_agent "qrsh" ./myid
would map 2 processes to each socket, binding each process to 5 HTs on
On 13.04.2017 15:20, gil...@rist.or.jp wrote:
...
> in your second case, there are 2 things
> - MPI binds to socket, that is why two MPI tasks are assigned the same
> hyperthreads
> - the GNU OpenMP runtime looks unable to figure out 2 processes use the
> same cores, and hence end up binding
>
Dear Gilles,
thanks a lot for your response!
1. You're right, my stupid error, I forgot the "export" of OMP_PROC_BIND in my
job script. Now this example is working nearly as expected:
[pascal-1-07:25617] MCW rank 0 bound to socket 0[core 0[hwt 0-1]], socket
0[core 1[hwt 0-1]], socket 0[core
Can you try the latest version of Open MPI? There have been bug fixes in the
MPI one-sided area.
Try Open MPI v2.1.0, or v2.0.2 if you want to stick with the v2.0.x series. I
think there have been some post-release one-sided fixes, too -- you may also
want to try nightly snapshots on both of
Hi,
I'm seeing an issue with Openmpi Version 2.0.1. The setup uses 2 nodes
with 1 process on each node and the test case is P_Write_Indv. The problem
occurs when the test runs 4MB byte size and the mode is NON-AGGREGATE.
The test just hangs at that point. Here's the exact command/options that's
be
Vincent,
Can you try a small program such as examples/ring_c.c ?
Does your app do MPI_Comm_spawn and friends ?
Can you post your mpirun command line ? Are you using a batch manager ?
This error message is typical of unresolved libraries.
(E.g. "ssh host ldd orted" fails to resolve some libs becau
Hi,
> Am 13.04.2017 um 11:00 schrieb Vincent Drach :
>
>
> Dear mailing list,
>
> We are experimenting run time failure on a small cluster with openmpi-2.0.2
> and gcc 6.3 and gcc 5.4.
> The job start normally and lots of communications are performed. After 5-10
> minutes the connection to t
Hello list,
I am trying to run IMB using openmpi-2.0.1/2.1.0 on a 50G 2-node
cluster in my lab, but the test does not start. it fails with
following error:
Starting for 0 th iteration. Using openmpi
LOGPATH: /MPI/Logs/openmpi/imb/runlog-openmpi-np6-n2-0
---
Dear mailing list,
We are experimenting run time failure on a small cluster with openmpi-2.0.2
and gcc 6.3 and gcc 5.4.
The job start normally and lots of communications are performed. After 5-10
minutes the connection to the hosts is closed and
the following error message is reported:
--
11 matches
Mail list logo
