The SCIP Optimization Suite 9.0
arxiv(2024)
摘要
The SCIP Optimization Suite provides a collection of software packages for
mathematical optimization, centered around the constraint integer programming
(CIP) framework SCIP. This report discusses the enhancements and extensions
included in the SCIP Optimization Suite 9.0. The updates in SCIP 9.0 include
improved symmetry handling, additions and improvements of nonlinear handlers
and primal heuristics, a new cut generator and two new cut selection schemes, a
new branching rule, a new LP interface, and several bug fixes. The SCIP
Optimization Suite 9.0 also features new Rust and C++ interfaces for SCIP, new
Python interface for SoPlex, along with enhancements to existing interfaces.
The SCIP Optimization Suite 9.0 also includes new and improved features in the
LP solver SoPlex, the presolving library PaPILO, the parallel framework UG, the
decomposition framework GCG, and the SCIP extension SCIP-SDP. These additions
and enhancements have resulted in an overall performance improvement of SCIP in
terms of solving time, number of nodes in the branch-and-bound tree, as well as
the reliability of the solver.
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