I've been doing a lot of research on this issue (See my next e-mail on
this topic which I'll be posting ina few minutes), and OpenMPI will use
ibverbs or UCX. In OpenMPI 4.0 and later, ibverbs is deprecated in favor
of UCX.
Prentice
On 7/27/20 7:49 PM, gil...@rist.or.jp wrote:
Prentice,
ib
Last week I posted on here that I was getting immediate segfaults when I
ran MPI programs, and the system logs shows that the segfaults were
occuring in libibverbs.so, and that the problem was still occurring even
if I specified '-mca btl ^openib'.
Since then, I've made a lot of progress on th
One more bit of information: These are QLogic IB cards, not Mellanox:
$ lspci | grep QL
05:00.0 InfiniBand: QLogic Corp. IBA7322 QDR InfiniBand HCA (rev 02)
On 7/28/20 2:03 PM, Prentice Bisbal wrote:
Last week I posted on here that I was getting immediate segfaults when
I ran MPI programs, an
