Re: [OMPI users] choosing network: infiniband vs. ethernet

2020-07-18 Thread Jeff Squyres (jsquyres) via users
Woo hoo! I love getting emails like this. We actually spend quite a bit of time in the design and implementation of the configure/build system so that it will "just work" in a wide variety of situations. Thanks! On Jul 17, 2020, at 5:43 PM, John Duffy via users mailto:users@lists.open-mpi.o

Re: [OMPI users] choosing network: infiniband vs. ethernet

2020-07-18 Thread Jeff Squyres (jsquyres) via users
On Jul 16, 2020, at 2:56 PM, Lana Deere via users mailto:users@lists.open-mpi.org>> wrote: I am new to open mpi. I built 4.0.4 on a CentOS7 machine and tried doing an mpirun of a small program compiled against openmpi. It seems to have failed because my host does not have infiniband. I can't