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mrmpi is an mpi based map reduce implementation developed at sandia labs.
On 11/28/2012 09:20 PM, Ralph Castain wrote:
> On Nov 28, 2012, at 12:21 PM, Mariana Vargas Magana<mmarianav_at_[hidden]> wrote:
>> Hi openmpi'users
>> I now trying to install mrmpi in a cluster to use it with openmpi, I installed locally openmpi with the option --disable-dlopen , I install also mrmpi without apparent problems but when testing with the basic commands in a python27 shell
> What is mrmpi?
>> from mrmpi import mrmpi
>> I get the following warning, and shell stays waiting without response
>> libibverbs: Warning: no userspace device-specific driver found for /sys/class/infiniband_verbs/uverbs0
> Looks like OMPI was built with Infiniband support, but we aren't finding the required support libraries wherever the process is running. They were probably present on the machine where you built OMPI. You should check the remote node, and either install the libraries there or re-configure OMPI to ignore inifiniband. See "./configure -h" to find the relevant IB option - I think it is --without-openib
>> Help please!
>> Dr. Mariana Vargas-Magaña
>> Post-Doctoral Researcher
>> Carnegie Mellon University
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