The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 13, 2020

Filed:

Aug. 24, 2015
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Giles R. Frazier, Austin, TX (US);

Michael Karl Gschwind, Chappaqua, NY (US);

Younes Manton, Toronto, CA;

Karl M. Taylor, Kanata, CA;

Brian W. Thompto, Austin, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/30 (2018.01); G06F 12/02 (2006.01); G06F 9/455 (2018.01);
U.S. Cl.
CPC ...
G06F 12/0253 (2013.01); G06F 12/0261 (2013.01); G06F 9/45504 (2013.01);
Abstract

A method and apparatus for garbage collection is disclosed herein. The method includes specifying a load-monitored region within a memory managed by a run-time environment, enabling a load-monitored event-based branch configured to occur responsive to executing a first type of CPU instruction to load a pointer that points to a first location in the load-monitored region, performing a garbage collection process in background without pausing executing in the run-time environment, executing a CPU instruction of the first type to load a pointer that points to the first location in the load-monitored region, and responsive to triggering a load-monitored event-based branch, moving an object pointed to by the pointer with a handler from the first location in memory to a second location in memory.


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