Garbage collection of interned strings

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United States of America Patent

PATENT NO 9141540
APP PUB NO 20120124106A1
SERIAL NO

12945610

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Abstract

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Provided are techniques for a garbage-collected interned string table. Reference objects that each reference strings in the interned string table are created. The reference objects and the strings referenced by the reference objects in the interned string table are marked with a current generation. Garbage collection is performed by: advancing the current generation to a next generation; in response to the reference objects in a previous generation from the current generation advancing to an acquired references state, promoting the reference objects and the strings referenced by the reference objects in the previous generation to the current generation; and deleting the strings that are marked with the previous generation in the interned string table.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Allen, Joseph H Belmont, US 8 62
Matsa, Moshe M E Cambridge, US 9 61
Perkins, Eric D Boston, US 5 15

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