garbage collection

Also known as GC

form of automatic memory management

Wikidata facts

Image: Garbage collection.gif

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short name: GC
Stack Exchange tag: stackoverflow.com/tags/garbage-collection
name in kana: ガベージコレクション
Commons category: Garbage collection (computer science)

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Stop-and-copy garbage collection in a Lisp architecture: Memory is divided into working and free memory; new objects are allocated in the former. When it is full (depicted), garbage collection is performed: All data structures still in use are located by pointer tracing and copied into consecutive locations in free memory. After that, the working memory contents is discarded in favor of the compacted copy, and the role of working and free memory are exchanged (depicted).