AWS HPC Blog
Author: Sai Sunku
Sai is a software engineer at AWS working on networking software for HPC and ML applications. He holds a PhD in applied physics from Columbia University.
Optimizing MPI application performance on hpc7a by effectively using both EFA devices
Get the inside scoop on optimizing your MPI apps and configuration for AWS’s powerful new Hpc7a instances. Dual rail gives these instances huge networking potential @ 300 Gb/s – if properly used. This post provides benchmarks, sample configs, and real speedup numbers to help you maximize network performance. Whether you run weather simulations, CFD, or other HPC workloads, you’ll find practical tips for your codes.