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S2MPJ Python Subset

This repository provides a specialized Python-only subset of the S2MPJ collection.

Contents

This repository preserves only the files relevant to Python users from the original source. These files are located in the src/ directory:

  • src/python_problems/: Directory containing the optimization problems converted to Python.
  • src/list_of_python_problems: A listing of all available problems.
  • src/s2mpjlib.py: Supporting library script.

Configuration

The file config.txt in this directory controls how s2mpj_select filters problems (e.g., variable_size and test_feasibility_problems). See the comments in config.txt for a full description of each option.

When used through OptiProfiler, you can override these options at runtime without editing config.txt:

from optiprofiler import set_plib_config, get_plib_config

# View the current effective configuration
print(get_plib_config('s2mpj'))

# Override at runtime (persists for the current Python process)
set_plib_config('s2mpj', variable_size='all', test_feasibility_problems=2)

You can also set the environment variables S2MPJ_VARIABLE_SIZE and S2MPJ_TEST_FEASIBILITY_PROBLEMS directly. Environment variables take precedence over config.txt.

Maintenance

This repository is automatically synchronized with the upstream GrattonToint/S2MPJ repository via GitHub Actions. It checks for updates daily to ensure the problem set remains current.

For the full collection or other languages, please visit the original repository.