Faster.Map — A blazing-fast, memory-efficient HashMap library for .NET. Featuring SIMD-optimized DenseMap, lock-free CMap, and high-performance BlitzMap implementations designed for extreme speed, ...

Comparison of Hashing Algorithms - Double Hashing, Robin Hood Hashing Cuckoo Hashing with Java's inbuilt HashMap/ HastSet over million of add(), contains() and remove() operations.

仅重构一个类，JVM 堆内存直降 2994MB（≈3GB）——从 3205MB 降至 211MB，新结构内存占用仅为老方案的 6.5%。 这不是压测数据，也不是理论推演，而是生产环境双写验证的真实结果： 上线期间，新老结构并行写入，内存指标实时对比； 验证无误后，正式切换至新 ...