Thanks, I didn't think of going "one level up". Great to have an alternative
solution.
Avalon Johnson
ITS HPCC
USC
"It takes a village ..."
On Thu, 12 Feb 2015, Jeff Squyres (jsquyres) wrote:
Sorry for not replying earlier.
Yes, you hit on a solution.
Note, too, that the MTLs are
Sorry for not replying earlier.
Yes, you hit on a solution.
Note, too, that the MTLs are only used by the "cm" PML, and the BTLs are only
used by the "ob1" PML.
So if you're using the openib BTL for IB support (vs. the MXM MTL), you can
effectively choose one or the other by setting
OMPI_MCA
Hi all
I have figured this out. For anyone who needs to at run time disable a single
item default MCA value, the solution is to set.
OMPI_MCA_mtl=^mx
OMPI_MCA_btl=self,sm,openib,tcp
as mentioned
OMPI_MCA_mtl=""
will not do the job.
Avalon Johnson
ITS HPCC
USC
"It take
We have a cluster which is a combination of Myrinet and Infiniband nodes.
We are using a common openmpi 1.8.4 software tree accessible to both set of
nodes.
Our Infiniband nodes do NOT have the libmyriexpress.so library installed (since
it is not needed).
Likewise the Myrinet nodes do not ha
