Archived Wiki pages

The following pages are very old and likely completely out of date.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

Development Documents

• DRAFT: User Migration Guide: 1.8.x and v1.10.x to v2.0.0
• DRAFT: Developer Migration Guide: v1.8.x and v1.10.x to v2.x

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

Features

• Generic symbol visibility support
• Heterogeneous support
• multi-lib support
  • Creating wrapper compilers with 32 & 64 bit support
• Fault Tolerance
  • Checkpoint/Restart Process Fault Tolerance
  • Multi Automatic Protocols Fault Tolerant Framework
  • On-the-fly Recovery with the Recovery Supervisor/Service (RecoS) Framework
• IPv6 Support
• Thread Safety Support
• Implementing Progress Threads
• OpenMPI and Process Affinity: A primer for the hopelessly confused
• Modex-less Launches: How to get faster and more scalable launches
• Process placement

Periodic maintenance / logistics

• 2014 SVN write access summer cleaning
• 2012 SVN write access summer cleaning

Related projects

• OMPI-x

Release Documents

• Release Methodology
• Release procedures
• Manual tests to conduct before releasing
• Release Manager management of bugs (in general, may be superseded by individual release managers/series requirements)
• v1.7 series
• v2.x series