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BEE: Build and Execute Environment

The goal of BEE (Build and Execution Environment) is to create a unified software stack to containerize HPC applications. A container is a package of code (usually binaries) and all of that code's dependencies (libraries, etc.). Once built, this container can be run on many different platforms. The execution environment on each platform will download and install (for this application only) all of the applications and dependencies into an isolated user environment and then execute the code. Containers provide many benefits:

  • Users can choose their own software stack (libraries, compilers, etc.) and not be bound by the currently installed environment on any one machine.
  • Codes can be run portably across numerous platforms--all dependencies will be downloaded and installed at run time.
  • Entire workflow environments can be built into one or more containers. A user can include visualization and analysis tools along with the application. They will all work together as the application runs.
  • Provenance and history can be tracked by storing containers in a historical repository. At any time, an older container can be rerun (all of its dependencies are stored with it). Execution is repeatable and interactions between software components can be tracked.
  • Functional testing can be performed on smaller, dissimilar machines--there is no real need to test on the actual HPC platform (performance testing obviously requires target hardware).
  • Checkpoint and restore operations can happen at a higher level, e.g., node level. The entire computation, as it sits in memory, can be saved and restarted, obviating the need for application level checkpoints.

The BEE project uses Docker to containerize applications. Docker has become the de facto standard container system and is used widely in cloud and web environments. Continuous integration services have been built on Docker, allowing application developers to describe compile and execution environments with Docker. When code is checked into a repository, it can be automatically tested across a suite of different software environments.

Build Instructions

To be added

Mail List and Contact

For bugs and problems report, suggestions and other general questions regarding the BEE project, Please subscribe to BEE-LANL and post your quesitons.

Release

This software has been approved for open source release and has been assigned BEE C17056.

Troubleshooting

Copyright

License can be found here