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Update Garbage-Collector-Revised-2022.md

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Justin Ethier 2022-12-13 13:23:24 -05:00 • committed by GitHub
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@ -553,7 +553,7 @@ Our GC is also positioned to potentially support state of the art GC's built on
That said, heap memory fragmentation has not been addressed and could be an issue for long-running programs. Traditionally a compaction process is used to defragment a heap. An alternative strategy has also been suggested by Pizlo: That said, heap memory fragmentation has not been addressed and could be an issue for long-running programs. Traditionally a compaction process is used to defragment a heap. An alternative strategy has also been suggested by Pizlo:
> instead of copying objects to evacuate fragmented regions of the heap, fragmentation is instead embraced. A fragmented heap is allowed to stay fragmented, but the collector ensures that it can still satisfy allocation requests even if no large enough contiguous free region of space exists. > instead of copying objects to evacuate fragmented regions of the heap, fragmentation is instead embraced. A fragmented heap is allowed to stay fragmented, but the collector ensures that it can still satisfy allocation requests even if no large enough contiguous free region of space exists.
Ultimately, a garbage collector is tricky to implement and the focus must primarily be on correctness first, with an eye towards performance. Ultimately, a garbage collector is tricky to implement and the focus must primarily be on correctness first, with an eye towards performance.