11.9. Large Clusters

Setting up a large cluster to run MPI applications can be challenging and full of many decisions. The following sections include guidance for installing and tuning Open MPI on large clusters.

Also see Deciding what to install for build-time considerations that can affect large-cluster deployments.

• 11.9.1. Reducing startup time for jobs
• 11.9.2. Libraries
• 11.9.3. Reducing wireup time
• 11.9.4. Static cluster configurations