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Go 1.24 and Swiss Table: Go 1.24 brings the introduction of a Swiss Table-based map implementation, improving map operation performance and making Go more efficient.
- What is the Swiss Table: A hash table design developed by Google and implemented in languages like C++, known for its compactness and performance in minimizing cache misses.
- Benefits: Faster lookups, improved memory usage, and better performance for high load factors.
- Benchmarks: A simple benchmark code compares map operations in Go 1.24 to earlier versions. In general, Go 1.24 shows faster operations, but deletes seem slower due to metadata management and probing impact.
- Real-World Performance: Despite slower deletes in some cases, the significant improvements in lookups and insertions often outweigh it. Useful for applications like database indexing, caching systems, and data analytics pipelines.
- Compatibility and Transparency: Backward compatible, so developers don't need to change code. Just upgrade to Go 1.24 to unlock performance gains.
- Practical Applications: Beneficial for applications with heavy map operations, enhancing performance in various domains.
在 Go 1.24 中地图更快
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