The most recent release are SAS/OR 15.1 and SAS Simulation Studio 15.1.
What’s New
SAS/OR 15.1 includes performance improvements to its optimization procedures and solvers, including the following enhancements:
- The LP, MILP, network, QP, NLP, and CLP solvers and the decomposition algorithm (for LP and MILP) add performance and stability improvements.
- The LP and MILP solvers significantly reduce their memory consumption.
- The LP solver replaces its presolver.
- The MILP solver and the OPTMILP procedure add the ability to report multiple solutions.
- The network solver adds a path enumeration algorithm to find all paths between specified nodes.
- The connected components algorithm in the OPTNET procedure adds support for the thin internal graph format.
- The DECOMP algorithm adds the COMMUNITY value to the METHOD= option.
- The CLP solver adds the CUMULATIVE predicate, and the CLP procedure adds the CUMULATIVE statement.
- The NLP solver adds a new interior point solution algorithm on an experimental basis.
- The LSO (local search optimization) solver is added and is called by the OPTMODEL procedure.
SAS Simulation Studio 15.1 adds several enhancements, including the following:
- Improvements in the layout of the graphical user interface (GUI), including collapsible block templates and tabbed project panels
- Easier access to recently opened projects
- The ability to save the size and position of Model and Experiment windows in the last project opened
- Ease-of-use enhancements for models and experiments
- Improved performance in model execution, especially when reading or writing data multiple times
- Authentication during batch mode model runs without the need to open the GUI
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