Project Summary
The Open MPI Project is an open source Message Passing Interface implementation that is developed and maintained by a consortium of academic, research, and industry partners. Open MPI is therefore able to combine the expertise, technologies, and resources from all across the High Performance Computing community in order to build the best MPI library available. Open MPI offers advantages for system and software vendors, application developers and computer science researchers.
In a Nutshell, Open MPI...
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has a well established, mature codebase
maintained by a very large development team
with stable Y-O-Y commits -
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took an estimated 123 years of effort (COCOMO model)
starting with its first commit in November, 2003
ending with its most recent commit 2 days ago
Quick Reference
BSD 4-clause (University of California-Specific)
Permitted
Commercial Use
Modify
Distribute
Place Warranty
Forbidden
Hold Liable
Use Trademarks
Required
Include Copyright
Include License
These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
There are no reported vulnerabilities
Project Vulnerability Report
Security Confidence Index
Vulnerability Exposure Index
Did You Know...
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in 2016, 47% of companies did not have formal process in place to track OS code
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learn about Open Hub updates and features on the Open Hub blog
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65% of companies leverage OSS to speed application development in 2016
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data presented on the Open Hub is available through our API
30 Day SummaryAug 25 2025 — Sep 24 2025
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12 Month SummarySep 24 2024 — Sep 24 2025
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Static Analysis ( Generated by Coverity Scan for Open MPI )
Repository URL: https://github.com/open-mpi/ompi
Version: main-202509230241-fdd3da8
- 2025-09-23
- Last Analyzed
- 641,524
- Lines of Code Analyze
- 1.15
- Defect Density
Defects by status for current build
- 5,652
- Total defects
- 520
- Outstanding
- 5,084
- Fixed