Updated FICO Xpress Optimization Community License v8.5 now available - May18

Blog Post created by Advocate on Jun 14, 2018

The FICO Xpress Optimization Community License has now been updated to the latest release v8.5


Please use the link on the FICO Xpress Community welcome page, or go directly to FICO® Xpress Community License to download this new version.


This updated version includes the following enhancements:


Xpress Workbench 2.2 & Xpress Mosel

  • Mosel to Python interface
    • Xpress Mosel can now connect natively to Python
    • Users can easily connect their machine learning models implemented in Python or any other type of Python code
    • Mosel users now have access to the entire R and Python ecosystems, and many others
  • Enhanced developer experience for Xpress Mosel
    • Simple profiling and coverage
      • The profiling tool gives detailed execution times line by line to identify and address performance hotspots
      • The coverage feature enables developers to check if their test suite is complete.
    • Support for non-native custom types
      • In addition to the existing linear programming and mixed integer programming support, Xpress Workbench now fully supports non-linear optimization, constraint programming, and robust optimization. Developers can now model and debug these 3 new variable types natively in Xpress Workbench
    • Ability to browse and analyze large data arrays
      • Users can now display large data arrays in tables to facilitate the debugging process
      • The tables allow sorting and filtering, so users can look for specific values
      • Users can save the tables as files of comma separated values (.csv )


Xpress Solver 8.5

  • MIP enhancements for MIPLIB 2010 which improves solver performance on the respective benchmarks by 8%-20%
  • Continuous Solver (LP, Simplex, Barrier, etc.) benchmark performance enhancements of 7%-26%
  • MIQP Solver benchmark performance enhancements of 11-37%


Updated FICO Xpress Optimization documentation is also available online.


Installing FICO ® Xpress Optimization for use with the Community License

  1. Obtain the Xpress software installer - the file xpX.Y _win_x86_64_setup.exe, where X and Y are version numbers - from the download page   FICO® Xpress Community License
  2. Before installing the new version, please make sure you uninstall any old version of FICO Xpress Optimization (e.g. a previous Student or Community License Version) and delete the old installation folder (e.g. C:\xpressmp). Otherwise, there may be a conflict
  3. Run the Setup file to install the new version.