Amazon Web Services (AWS) recently announced the availability of Spack configs for AWS ParallelCluster. Users can use these configurations to install optimized HPC applications quickly and easily on their AWS-powered HPC clusters. Spack configs for AWS ParallelCluster represent validated best practices developed by the AWS HPC Performance Engineering Team. They contain fixes and general optimizations that can increase the performance of any compiled application on a wide range of architectures. Read more in an AWS blog post.