G - Physics – 06 – F
Patent
G - Physics
06
F
G06F 12/08 (2006.01) G06F 12/02 (2006.01)
Patent
CA 2098459
A COMPUTER METHOD AND SYSTEM FOR CONSERVATIVE-STACK AND GENERATIONAL HEAP GARBAGE COLLECTION Abstract of the Disclosure A method and system for conservative-stack and generational garbage collection for a computer memory is provided. In a preferred embodiment, the computer memory includes a stack and a heap. The heap comprises a plurality of objects each of which is identified as new or old. During run time, a list of old objects that contain pointers to new objects is maintained. During garbage collection time, each new object that is accessible through an old object in the list is marked as accessible. The stack contains a plurality of stack entry that may be pointers to new objects. During garbage collection time, each stack entry is checked to see if it could point to a new object. Each new object that a stack entry could point to is marked as accessible and each new object that is accessible through the marked objects is also marked as accessible. During memory compaction, the new objects that are not marked as accessible are reclaimed.
Microsoft Corporation
Oyen Wiggs Green & Mutala Llp
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