zig-utils/zig-gc

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A precise, non-moving, tri-color mark-sweep garbage collector in pure Zig, generic over an embedder binding.

Closed

Perf: allow whole-run nursery backing reclamation

#42 opened 8 days ago by chris · 2 comments

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GC: expose zero-overhead collection phase boundaries

#41 opened 8 days ago by chris · 2 comments

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heap: keep stable cell identity in the 32-byte header

#40 opened 8 days ago by chris · 2 comments

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Expose stable cell identity across relocation

#39 opened 8 days ago by chris · 2 comments

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Heap: expose cumulative minor-generation accounting

#38 opened 8 days ago by chris · 1 comment

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Heap: retain young survivors across multiple minor collections

#37 opened 8 days ago by chris · 2 comments

Open

Add post-commit relocation verification hooks

#36 opened 8 days ago by chris · 1 comment

Open

GC: add failure-atomic relocation planning and commit hooks

#35 opened 8 days ago by chris · 1 comment

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GC: run embedder post-sweep work after collector locks release

#34 opened 8 days ago by chris · 4 comments

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Perf: enumerate owned cells in slab order instead of an intrusive heap list

#33 opened 8 days ago by chris · 4 comments

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Perf: batch owned-cell unpublication during sweep

#32 opened 8 days ago by chris · 1 comment

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Perf: use atomic header guards for owned slab publication

#31 opened 8 days ago by chris · 1 comment

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Perf: queue allocation-metadata lock handoffs

#30 opened 8 days ago by chris · 1 comment

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TSan: publish owned cell headers before classification

#29 opened 8 days ago by chris · 3 comments

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Perf: shard allocation metadata by registered mutator

#28 opened 8 days ago by chris · 1 comment

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Perf: publish quiescent owned batches without the allocation lock

#27 opened 8 days ago by chris · 1 comment

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Perf: avoid alloc-lock CAS storms under many mutators

#26 opened 8 days ago by chris · 2 comments

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perf: splice non-marking owned-cell batches in O(1) lock time

#25 opened 8 days ago by chris · 3 comments

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Perf: reduce synchronized nursery sweep pressure across independent heaps

#24 opened 8 days ago by chris · 1 comment

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Perf: batch heap counter updates after sweeping dead cells

#23 opened 8 days ago by chris · 2 comments

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Perf: let bindings elide provably empty cell finalizers

#22 opened 8 days ago by chris · 1 comment

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Perf: tune the default nursery for allocation throughput

#21 opened 8 days ago by chris · 1 comment

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Perf: batch same-size cell storage release during sweep

#20 opened 8 days ago by chris · 2 comments

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Perf: let bindings skip weak-processing heap scans when no weak state exists

#19 opened 8 days ago by chris · 2 comments

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Perf: let embedders allocate same-size cell slabs in one batch

#18 opened 8 days ago by chris · 2 comments

Closed

Perf: batch dead-cell backing reclamation during sweep

#17 opened 8 days ago by chris · 2 comments

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CI: gate main with pinned Zig unit and TSan jobs

#16 opened 8 days ago by chris · 4 comments

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Perf: batch same-kind cell publication under one allocation lock

#15 opened 8 days ago by chris · 2 comments

Closed

Perf: batch sweep counter updates

#14 opened 8 days ago by chris · 1 comment

Closed

Perf: prepare old owners once for fresh-cell store batches

#13 opened 8 days ago by chris · 1 comment