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Details

  • Name

    Pedro Carvalho Moreno
  • Cluster

    Computer Science
  • Role

    Research Assistant
  • Since

    01st August 2017
001
Publications

2019

Memory reclamation methods for lock-free hash tries

Authors
Moreno, P; Areias, M; Rocha, R;

Publication
Proceedings - Symposium on Computer Architecture and High Performance Computing

Abstract
Hash tries are a trie-based data structure with nearly ideal characteristics for the implementation of hash maps. Starting from a particular lock-free hash map data structure, named Lock-Free Hash Tries (LFHT), we focus on solving the problem of memory reclamation without losing the lockfreedom property. We propose an approach that explores the characteristics of the LFHT structure in order to achieve efficient memory reclamation with low and well-defined memory bounds. Experimental results show that our approach obtains better results when compared with other state-of-the-art memory reclamation methods and provides a competitive and scalable hash map implementation, if compared to lock-based implementations. © 2019 IEEE.