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microsoft / snmalloc Public

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New Arena Range#855

Draft

mjp41 wants to merge 15 commits into

mainmicrosoft/snmalloc:mainfrom

BackendArenaRangemicrosoft/snmalloc:BackendArenaRangeCopy head branch name to clipboard

Conversation Commits15 (15)Checks Files changed

Draft

New Arena Range#855
mjp41 wants to merge 15 commits into
mainfrom
BackendArenaRange

Commits

Commits on Jun 12, 2026

Fix double base-adjust in FlatPagemap::get_mut<true>

mjp41
and
Copilot
committed
Fix compile-time aligned alloc/dealloc asymmetry

mjp41
and
Copilot
committed
Add ArenaBins<B>: bin scheme, per-sc tables, and bitmap

mjp41
and
Copilot
committed
Add RBTree::neighbours probe helper

mjp41
and
Copilot
committed
Add Arena: dual-tree free-range manager with consolidation

mjp41
and
Copilot
committed
Arena: representation-agnostic Rep concept + boundary support

mjp41
and
Copilot
committed
Add LargeArenaRange and generalise Arena to byte units

mjp41
and
Copilot
committed
Substitute LargeBuddyRange with LargeArenaRange in default range pipelines

mjp41
and
Copilot
committed
Uniform sizeclass encoding for small and large allocations

mjp41
and
Copilot
committed
Per-chunk pagemap offset encoding

mjp41
and
Copilot
committed
Front-end: request non-pow2 large allocations

mjp41
and
Copilot
committed
Add non-pow2 metadata sub-allocator: InplaceRep + SmallArenaRange

mjp41
and
Copilot
committed
Wire SmallArenaRange in as the LocalMetaRange

mjp41
and
Copilot
committed
Remove buddy allocators

mjp41
and
Copilot
committed
Add docs/Arena.md

mjp41
and
Copilot
committed

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