RE: [RFC PATCH 00/13] Ultra Ethernet driver introduction

Sean Hefty
2025-03-31T19:49:15Z

> Through reading this patchset, it seems the semantics of 'job' for UEC is about
> how to identify a PDC(Packet Delivery Context) instance, which is specified by
> src fep_address/pdc_id and dst fep_address/pdc_id as there seems to be more
> than one PDC instance between two nodes, so the 'job' is really about
> grouping processes from the same 'job' to use the same PDC instance and
> preventing processes from different 'job' from using the same PDC instance?

UEC targets HPC and AI workloads, so the concept of a job in this discussion represents a parallel application. I.e. a group of processes across multiple nodes communicating.

- Sean