AWS HPC Blog

Category: AWS Parallel Computing Service

Recent improvement to Open MPI AllReduce and the impact to application performance

Recent improvement to Open MPI AllReduce and the impact to application performance

Our team engineered some Open MPI optimizations for EFA to enhance performance of HPC codes running in the cloud. By improving MPI_AllReduce they improved scaling – matching commercial MPIs. Tests show gains for apps including Code Saturne and OpenFOAM on both Arm64 and x86 instances. Check out how these tweaks can speed up your HPC workloads in the cloud.

Jumpstart your HPC journey with the AWS Parallel Computing Service getting started kit

Jumpstart your HPC journey with the AWS Parallel Computing Service getting started kit

If designing next-gen vehicles or chasing cures is part of your job, don’t miss this. We just launched a major new HPC service to help you scale complex workloads rapidly. Get the details on how AWS Parallel Computing Service can speed up your R&D.