Cache::LRU (a handy and fast in-memory cache module in pure-perl) Last week, after not being able to find a handy and fast cache module, I decided to write one by myself, and the outcome is Cache::LRU. Cache::LRU is an in-memory cache module written in pure-perl. It has no dependencies, and the code is less than 100 lines long. Yet it is faster than other modules as the result of a primitive bench