Hi,
Am 07.06.2008 um 01:07 schrieb John Hearns:
On Fri, 2008-06-06 at 17:56 +0100, SLIM H.A. wrote:
Hi
I want to use SGE to run jobs on a cluster with mx and infiniband
nodes.
By dividing the nodes into two host groups SGE will submit to either
interconnect.
The interconnect can be specif
How do you know the BTL is used ? I run applications in such context,
and as soon as I force the BTLs everything works like a charm.
Please try "--mca pml ob1" to the command line, this will do the trick
george.
On Jun 6, 2008, at 6:06 PM, SLIM H.A. wrote:
The btl interface is used. The no
On Fri, 2008-06-06 at 17:56 +0100, SLIM H.A. wrote:
> Hi
>
> I want to use SGE to run jobs on a cluster with mx and infiniband nodes.
> By dividing the nodes into two host groups SGE will submit to either
> interconnect.
>
> The interconnect can be specified in the mpirun command with the --mca
>
Am 07.06.2008 um 00:06 schrieb SLIM H.A.:
The btl interface is used. The nodes in both subclusters have the
same architecture so no need for two binaries. The MPI libraries
for the interconnect can be selected at runtime, for example
through the value of the OMPI_MCA_btl environment variabl
The btl interface is used. The nodes in both subclusters have the same
architecture so no need for two binaries. The MPI libraries for the
interconnect can be selected at runtime, for example through the value of the
OMPI_MCA_btl environment variable. However that variable should then somehow be
Am 06.06.2008 um 19:31 schrieb Patrick Geoffray:
SLIM H.A. wrote:
I would be grateful for any advice
Just to check, you are not using the MTL for MX, right ? Only the BTL
interface allow to choose between several devices at run time.
At least there would be the option to built two binaries
SLIM H.A. wrote:
I would be grateful for any advice
Just to check, you are not using the MTL for MX, right ? Only the BTL
interface allow to choose between several devices at run time.
Patrick
Thank you to all that replied regarding my questions.
I have tried all the options suggested but unfortunately I still run
into the same problem. I am at a point were I have exhausted all of the
options available with the OpenMPI v1.2.2 release and moving to v1.2.6
later today. Hopefully mca_oo
Hi
I want to use SGE to run jobs on a cluster with mx and infiniband nodes.
By dividing the nodes into two host groups SGE will submit to either
interconnect.
The interconnect can be specified in the mpirun command with the --mca
btl parameter. However users would then have to decide at runtime
Hi Jeff,
thanks for you reply. I did understand previous questions about RDMA. Ever
with SKaMPI, i tried to run with mpi_leave_pinned = 1, as you have
suggested. But also in this case, execution time is very similar to
previous case.
Does it means that SKaMPI, reallocates buffer every time ? For
2008/6/4 Jeff Squyres :
> Would it be possible for you to try a trunk nightly tarball snapshot,
> perchance?
I have attempted to use openmpi-1.3a1r18569. After some pain getting
MPI_Comm_spawn to work (I will write about that in a separate
message), I was able to get my app started. If segfaults
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