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How to Spack a software package

This is a talk that was delivered at the AWS/Arm Cloud Hackathon in July 2021. Todd Gamblin (the creator of Spack) and his colleague Greg Becker talk us through the essential skills and concepts needed to understand how to create and deploy …

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WRF performance teardown on Graviton vs x86

(A complete teardown of WRF performance on x86 and AWS Graviton, from memory subsystems, compilers and MPI stacks). Weather simulation is a reliably difficult workload for almost any HPC architecture and is often used as a litmus test by …

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Numerical weather prediction on AWS Graviton2

The Weather Research and Forecasting (WRF) model is a numerical weather prediction (NWP) system designed to serve both atmospheric research and operational forecasting needs. With the release of Arm-based AWS Graviton2 Amazon Elastic …

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GROMACS price-performance optimizations on AWS

Molecular dynamics (MD) is a simulation method for analyzing the movement and tracing trajectories of atoms and molecules where the dynamics of a system evolve over time. MD simulations are used across various domains such as material …

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