The following pages are very old and likely completely out of date. They are really only kept for posterity and a record of snapshots of design intent at specific points in time of the Open MPI project.

Random pages

• SVN to Git / GitHub migration notes
• Specific ports:
  • Microsoft Windows
  • Cray XT-3/XT-4

Design Documents

• CPU / Network Topology Description
• BTL Semantics Description (or Discovery, as the case may be)
• Error Messages How to handle error messages in the Open MPI stack. Also known as OPAL_SOS
• Network Failover Support for IB Networks
• Hierarchical Topology Framework
• Cray XE Port
• Cray XT
• Runtime Interposition Project (Code named: Pineapple)
• ORTE Out-of-Band v2.0

ORTE documents

• Hostfile Usage Plan
• Design for IOF 2.0

Runtime environment

• Requirements for a RTE used with Open MPI
• Current state of the runtime
  • List of current frameworks and what they do, and diagram of how they interact
  • Sample use cases showing how frameworks are used
• ORTE Scalability Plan and Measurements