gDMC: A Generic Distributed Model Counting Framework via Work-Stealing
gDMC: A Generic Distributed Model Counting Framework via Work-Stealing
Zhenghang Xu, Minghao Yin, Junping Zhou, Jean-Marie Lagniez
Proceedings of the Thirty-Fifth International Joint Conference on Artificial Intelligence
Main Track. Pages 2409-2417.
https://doi.org/10.24963/ijcai.2026/268
Propositional Model Counting (#SAT) is essential for probabilistic reasoning but faces scalability limits on single cores. Existing distributed approaches struggle with high initialization overheads (static decomposition) or rigid architecture. We propose a novel, generic framework for distributed exact model counting. Leveraging C++ templates, our architecture decouples parallel orchestration from solving logic, enabling state-of-the-art solvers to be parallelized with minimal modification. We implement an adaptive work-stealing strategy that ensures effective load balancing. Experiments on competition benchmarks show that our approach achieves near-linear scalability and significantly outperforms existing distributed solvers.
Keywords:
Constraint Satisfaction and Optimization: Constraint programming
Constraint Satisfaction and Optimization: Distributed constraints
Constraint Satisfaction and Optimization: Solvers and tools
