US Patent Issued to Oracle International on Dec. 2 for "Concurrent lazy reference counting in an old garbage collection generation" (Swedish Inventors)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,924, issued on Dec. 2, was assigned to Oracle International Corp. (Redwood Shores, Calif.).

"Concurrent lazy reference counting in an old garbage collection generation" was invented by Erik Osterlund (Vasterhaninge, Sweden) and Stefan Mats Rikard Karlsson (Nacka, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for concurrent lazy reference tracking in an old garbage collection generation are disclosed, including: encountering, by a mutator thread during a garbage collection epoch, a first instruction to write a first value to a field; responsive to encountering the first instruction to write the first value to the field: entering a s...