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  1. Proceedings of the 4th Workshop on Scala (SCALA '13)
  2. CafeSat: a modern SAT solver for Scala
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An overview of the Leon verification system: verification by translation to recursive functions
CafeSat: a modern SAT solver for Scala
Scala macros: let our powers combine!: on how rich syntax and static types work with metaprogramming
A new concurrency model for Scala based on a declarative dataflow core
Open GADTs and declaration-site variance: a problem statement
Towards a tight integration of a functional web client language into Scala
Parsing graphs: applying parser combinators to graph traversals
Scalad: an interactive type-level debugger
An experimental study of the influence of dynamic compiler optimizations on Scala performance
Bridging islands of specialized code using macros and reified types
What are the Odds?: probabilistic programming in Scala
Dataflow constructs for a language extension based on the algebra of communicating processes

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CafeSat: a modern SAT solver for Scala

Content Provider ACM Digital Library
Author Blanc, Régis
Abstract We present CafeSat, a SAT solver written in the Scala programming language. CafeSat is a modern solver based on DPLL and featuring many state-of-the-art techniques and heuristics. It uses two-watched literals for Boolean constraint propagation, conflict-driven learning along with clause deletion, a restarting strategy, and the VSIDS heuristics for choosing the branching literal. CafeSat is both sound and complete. In order to achieve reasonable performance, low level and hand-tuned data structures are extensively used. We report experiments that show that significant speedup can be obtained from translating a high level algorithm written in a relatively idiomatic Scala style to a more C-like programming style. These experiments also illustrate the importance of modern techniques used by SAT solver. Finally, we evaluate CafeSat against the reference SAT solver on the JVM: Sat4j.
Starting Page 1
Ending Page 4
Page Count 4
File Format PDF
ISBN 9781450320641
DOI 10.1145/2489837.2489839
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2013-07-02
Publisher Place New York
Access Restriction Subscribed
Subject Keyword Constraint solving Verification Boolean satisfiability
Content Type Text
Resource Type Article
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