Greg Fischer

Sorry - the configure line got chopped off; I edited the post above to correct it. Yes, I'm submitting via LSF, so my mpirun line looks something like: ```bsub -n...

I think the IP address is correct, but there are some connectivity problems. What's puzzling is that OpenMPI 3.1.0 works. Is there any way to see what interface is being...

Yes, unfortunately, upgrading the OS is a major undertaking and is not an option at this time. I ran some additional tests with one of our parallel applications on a...

Bump. Any thoughts on how to narrow down the problem?

Forcing the use of `ib0` with OpenMPI 4.1.4 does not seem to improve the performance. Part of the dysfunction here may be differing versions of OFED being installed on the...

There are three nodes in this special testing queue - each with 28 slots, so 84 slots in total. I submitted ten 16-process jobs to the queue, so about half...

OK, the machines I was running on got wiped and re-inserted into the general population and some _other_ machines were swapped in to my partition of the network. These new...

- Yes, the shared memory tests are running with 12 dedicated cores and no other simultaneous processes. - I've gotten the admins to install the UCX devel libraries, and I'm...

Understood, but current UCX does not work with the version of librdmacm from the OS. In principle, I could install a newer version, but it would be far easier if...

What parameters should I set?