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cs.DS updates on arXiv.org

PAC Learning with Bandit Feedback: Sharp Sample Complexity in the Realizable Setting Algorithms with Polynomially-Improved Approximation Factors for the $2 \rightarrow q$ Norm, and Applications A computational phase transition for learning-to-sample from Ising models Covering vertices by sequential stars Fermi-Dirac machines as quantizations of neurons A Comprehensive Evaluation of Vertex Elimination Algorithms for Algorithmic Differentiation A Tight Bound on Localization of Electrical Flows Optimal Dimension-Free Sampling for Regularized Classification Reducing the Randomness in Partition Oracles for Bounded Degree Minor-Free Graphs Beyond the Half-Approximation: Fair and Efficient Online Class Matching Efficient Uniform Sampling of Surjections via their Profiles Tractable Maximization of Budgeted Phylogenetic Diversity on Networks Utilizing Node Scanwidth Fairness in Aggregation: Optimal Top-$k$ and Improved Full Ranking Learning-Augmented Online Scheduling with Parsimonious Preemption Entropy Equivalence Testing Lumberjack: Better Differentially Private Random Forests through Heavy Hitter Detection in Trees The Secretary Problem with a Stochastic Precursor Polynomial-Time Robust Multiclass Linear Classification under Gaussian Marginals Efficient Banzhaf-Based Data Valuation for $k$-Nearest Neighbors Classification Block-Sphere Vector Quantization An Approximation Algorithm for Graph Label Selection Iterative Chow Filtering for Learning with Distribution Shift Complexity of Non-Log-Concave Sampling in Fisher Information Stochastic Matching via Local Sparsification Finite Sample Bounds for Learning with Score Matching What is Learnable in Valiant's Theory of the Learnable? Provable Quantization with Randomized Hadamard Transform Min-Max Optimization Requires Exponentially Many Queries Fast and Compact Graph Cuts for the Boykov-Kolmogorov Algorithm A proximal gradient algorithm for composite log-concave sampling
Bouma2 - A Quasi-Stateless, Tunable Multiple String-Match...
Erez M. Buchnik · 2012-09-20 · via cs.DS updates on arXiv.org

The Bouma2 algorithm attempts to challenge the prevalent "stateful" exact string-match paradigms by suggesting a "quasi-stateless" approach. We claim that using state-machines to solve the multiple exact string-match problem introduces a hidden artificial constraint, namely the Consume-Order Dependency, which results in unnecessary overhead. Bouma2 is not restricted in this sense; we postulate that this allows memory-efficiency and improved performance versus its state-machine equivalents. The heart of the Bouma2 preprocessing problem is formulated as a weighted Integer Linear Programming problem, that can be tuned for memory footprint and performance optimization. Specifically, this allows Bouma2 to be input-sensitive, as tuning can be based on input characteristics. Evaluating Bouma2 against the Aho-Corasick variant of the popular Snort Intrusion Prevention System, we demonstrate double the throughput while using about 10% of the memory.