This technical blog post details the step-by-step evolution from a basic hash table to a 'Swiss table' implementation, which is the design behind Go's improved map performance. The author provides benchmarks at each stage and shares practical insights from implementing this in a graph database context. The post includes code references from both Go source and CockroachDB's Swiss table implementation.
Background
Swiss tables are a new hash table design that has been adopted by the Go programming language to significantly improve the performance of its map data structure. This approach uses innovative techniques like metadata bits and SIMD optimizations for faster lookups and insertions.
- Source
- Lobsters
- Published
- Apr 26, 2026 at 10:19 PM
- Score
- 7.0 / 10