Concurrent, atomic MSI hash tables

301 · Christopher Wellons · May 6, 2026, 2:31 a.m.
Summary
The blog post discusses enhancements to Mask-Step-Index (MSI) hash tables by introducing atomic operations to manage concurrency, particularly with single and multiple producers/consumers scenarios. It explains how to avoid data races and shares practical code examples for handling integer key hash tables in multi-threaded environments, emphasizing the importance of relaxed and acquire-release semantics for data integrity during concurrent modifications.