V2EX cdcl

CDCL

释义 Definition

CDCL(Conflict-Driven Clause Learning)指“冲突驱动子句学习”,是一类现代 SAT(布尔可满足性)求解器的核心算法框架:在搜索过程中一旦遇到矛盾(冲突),就分析冲突原因并学习(加入)新的子句,从而避免重复走入同类死胡同,提高求解效率。(也常被用来泛指“采用 CDCL 的 SAT 求解器”。)

发音 Pronunciation

/sidisil/

例句 Examples

CDCL solvers can handle many large SAT instances efficiently.
CDCL 求解器可以高效处理许多大型 SAT 实例。

By learning a clause from each conflict and using non-chronological backtracking, CDCL often prunes huge parts of the search space.
通过从每次冲突中学习子句并采用非按时间顺序的回溯,CDCL 往往能剪枝掉搜索空间中极其庞大的部分。

词源 Etymology

CDCL 是由四个英文词首字母组成的缩写:Conflict(冲突)+ Driven(驱动的)+ Clause(子句)+ Learning(学习)。该术语主要在计算机科学中讨论 SAT 求解器时使用,可视为对经典 DPLL 框架加入“冲突分析 + 子句学习”等机制后的现代化发展称呼。

相关词 Related Words

文学与著作 Literary Works

  • Marques-Silva & Sakallah (1999), GRASP: A Search Algorithm for Propositional Satisfiability(早期系统化呈现冲突分析/学习思想的 SAT 求解器论文)
  • Moskewicz et al. (2001), Chaff: Engineering an Efficient SAT Solver(以工程化实现推动 CDCL 系方法普及的经典论文)
  • Eén & Srensson (2003), *An Extensible SAT-solver (MiniSat)*(MiniSat 相关论文,CDCL 求解器的代表性工作)
  • Biere, Heule, van Maaren & Walsh (eds.), Handbook of Satisfiability(综述 SAT 与 CDCL 等关键技术的权威参考书)
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