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http://dx.doi.org/10.7583/JKGS.2020.20.5.89

Concurrent Hash Table Optimized for NUMA System  

Choi, JaeYong (Dept. of Digital Entertainment, Korea Polytechnic University)
Jung, NaiHoon (Dept. of Game & Multimedia Engineering, Korea Polytechnic University)
Publication Information
Journal of Korea Game Society / v.20, no.5, 2020 , pp. 89-98 More about this Journal
Abstract
In MMO game servers, NUMA (Non-Uniform Memory Access) architecture is generally used to achieve high performance. Furthermore, such servers normally use hash tables as internal data structure which have constant time complexity for insert, delete, and search operations. In this study, we proposed a concurrent hash table optimized for NUMA system to make MMO game servers improve their performance. We tested our hash table on 4 socket NUMA system, and the hash table shows at most 100% speedup over another high-performance hash table.
Keywords
Parallel Processing; NUMA; Lock-Free; Hash Table;
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