On Fri, 27 Nov 2020, Dave Love wrote:
...
It's less dramatic in the case I ran, but there's clearly something
badly wrong which needs profiling. It's probably useful to know how
many ranks that's with, and whether it's the default striping. (I
assume with default ompio fs parameters.)
Hi Da
I have not personally tried Open MPI in WSL / WSL2.
Two suggestions:
1. Can you post the output of the error that occurs?
2. Can you try upgrading to the latest 4.0.x release, or at least the latest
v3.1.x release (as of this writing v3.1.6)?
> On Nov 27, 2020, at 10:50 AM, schoon via users
As a check of mpiP, I ran HDF5 testpar/t_bigio under it. This was on
one node with four ranks (interactively) on lustre with its default of
one 1MB stripe, ompi-4.0.5 + ucx-1.9, hdf5-1.10.7, MCA defaults.
I don't know how useful it is, but here's the summary:
romio:
@--- Aggregate Time (top t
