On Apr 2, 2018, at 10:03 AM, abhisek Mondal <abhisek.m...@gmail.com> wrote:
> 
> I just have installed openmpi-3.0.1. Installation seemed to finish without 
> any errors. However, I'm facing few issues while running a job.

Can you be more specific?

> This is what is printed after configuration:
> Does the configuration is good for parallel processing ? I have some basic 
> concerns like why does it say "CUDA support: no" ? 

Do you have GPUs?  If so, if you want to use GPUDirect RDMA, you'll need to 
specify the location of the CUDA libraries to Open MPI when you configure/build 
it.  See the README file for details.

For everything else, it depends.  That configuration will give you a correct 
Open MPI installation.  Do you have any high-speed networks?  If so, Open MPI 
didn't find them, and it will therefore default to TCP (which may be slower 
than the native layer of your high-speed network), etc.

-- 
Jeff Squyres
jsquy...@cisco.com

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