FEEDBACK-BASED MEMORY ALLOCATION OPTIMIZATION IN A GARBAGE COLLECTION MEMORY MANAGEMENT SCHEME

摘要

A generational garbage collection system operates in conjunction with a run-time compiler to recompile methods that are determined, based on previous execution of methods in the system, to be long-lived so that the recompiled methods create objects directly into the older generation of the generational memory. The system uses a simple scheme to determine if an allocation site should be compiled as a long-lived allocation site, and may therefore be implemented in run-time in a multi-level compiler environment with relatively little modification to the existing compiler.