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Changing Times – Dealing with Evolving HPC Workloads


With a broader user community making use of HPC computing, there are significant changes in the work mix of jobs being processed by HPC systems. A move away from large parallel applications toward a wider variety of smaller and shorter running applications put new and different strains on both PBS and the system overall. To address these workloads, we have begun to deploy new strategies, including a hook to limit job initiation rates, as well as working with our users to address their needs to run thousands or millions of independent cases.