A concurrent generational garbage collector for a parallel graph reducer
This paper describes a garbage collector for an implementation of a lazy functional language using parallel graph reduction. The garbage collector is an extension to the Appel-Ellis-Li garbage collector. The extension consists of two parts:
Firstly, generations has been added: this often decreases the garbage collection time with nearly 20%. This shows that generational garbage collection is useful even for a lazy functional language implemented with graph reduction (which performs a lot of updates).
Secondly, the Appel-Ellis-Li garbage collector has been changed so that it cart collect garbage processes (which is essential if we do speculative evaluation).
Keywordsgarbage collection graph reduction concurrent generations
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