Virtual machine memory management

Details Virtual machine memory management Virtual machine memory management

2005-06-07

2005-06-07

Follansbee, John (Department: 2154)

Data processing: software development, installation, and managem

Software program development tool

Programming language

Reexamination Certificate

active

06904589

ABSTRACT:
This invention relates to memory management in a virtual machine or operating system and in particular to object creation and garbage collection. There is described a method and system of managing memory in a multi-threaded processing environment such as a java virtual machine comprising: creating an object in a thread heap; associating a status with the object and setting the status as local; using write barriers to change the status to global if the object is assigned to a static variable or if the object is assigned to a field in any other object; and performing garbage collection by deleting from the thread heap, when memory space in the thread heap is required, one or more local objects which can not be traced to the thread stack.

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