Synchronizing object promotion in a multi-tasking virtual...

Details Synchronizing object promotion in a multi-tasking virtual... Synchronizing object promotion in a multi-tasking virtual...

2005-04-14

2008-11-18

Rones, Charles (Department: 2164)

Data processing: database and file management or data structures

Database design

Data structure types

C711S170000

Reexamination Certificate

active

07454448

ABSTRACT:
A method for managing memory in a multi-tasking virtual machine, involving suspending a first task for garbage collection of a plurality of concurrently executing tasks, promoting at least one object associated with the first task to a old generation using a gap buffer to obtain a promoted object, wherein the gap buffer stores a gap created by objects directly allocated by at least one of the plurality of concurrently executing tasks, locating the promoted object using the gap buffer, traversing the promoted object to determine whether a first referenced object exist, and promoting the first referenced object using the gap buffer, if the first referenced object exists.

REFERENCES:
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patent: 6510440 (2003-01-01), Alpern et al.
patent: 6826583 (2004-11-01), Flood et al.
patent: 6829739 (2004-12-01), Wu
patent: 2002/0133533 (2002-09-01), Czajkowski et al.
patent: 2006/0161755 (2006-07-01), Uchikawa et al.

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