A Practitioner Guide to AWS EFA Programming
Explore a practical guide on programming AWS EFA NICs for GPU workloads, covering EFA's features and software emulation techniques.
AWS utilizes Elastic Fabric Adapters (EFA) for GPU communication workloads. This guide covers programming EFA using the libibverbs interface, address handling, and RDMA write operations. It highlights the challenges of EFA's multi-path SRD transport and methods to address these issues.