Is your feature request related to a problem? Please describe.
A key performance issue with MPI is that we can end up with wait states which are often due to late sends or receives during point-to-point communications
Describe the solution you'd like
I think an addition to the intra- and inter-node deep-dives to describe these concepts, and then add to the Scalasca tool guides to demonstrate how to diagnose these issues.
Describe alternatives you've considered
N/A
Additional context
N/A
Is your feature request related to a problem? Please describe.
A key performance issue with MPI is that we can end up with wait states which are often due to late sends or receives during point-to-point communications
Describe the solution you'd like
I think an addition to the intra- and inter-node deep-dives to describe these concepts, and then add to the Scalasca tool guides to demonstrate how to diagnose these issues.
Describe alternatives you've considered
N/A
Additional context
N/A