The module openmmtools.cache implements a shared LRU cache for OpenMM Context objects that tries to minimize the number of objects in memory at the same time.

Cache objects

LRUCache A simple LRU cache with a dictionary-like interface that supports maximum capacity and expiration.
ContextCache LRU cache hosting the minimum amount of incompatible Contexts.
global_context_cache A shared ContextCache that minimizes Context object creating when using MCMCMove.