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Merge train 190: GC full-collection throughput and promoted cohorts (v0.5.1568) #10267

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Merged
proggeramlug merged 40 commits into from
Sep 14, 2026
Merged

Merge train 190: GC full-collection throughput and promoted cohorts (v0.5.1568) #10267

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9866ed2
gc: answer census arena membership from per-block object-start bitmap…
Sep 13, 2026
13dc830
gc: test-only arena index size accessor
Sep 13, 2026
6f3bc9e
gc: start-bitmap test fixup
Sep 13, 2026
d75c51c
gc: allocate census start bitmaps in 8 KiB chunks
Sep 13, 2026
7e3b008
gc: skip a full's remembered-set rebuild when nothing young is marked…
Sep 13, 2026
d9aae42
gc: full-rebuild-skip tests check the known-live parent
Sep 13, 2026
420a641
gc: apply a full sweep's old-page accounting once per page (#10182)
Sep 13, 2026
d5072f0
gc: classify the full-rebuild skip counter and re-pin the census window
Sep 13, 2026
c1e185e
docs: per-live-object cost of a synchronous full (#10182)
Sep 13, 2026
01d6c85
changelog: fragment for #10220
Sep 13, 2026
54421a8
changelog: correct the #10220 fragment's matrix and headroom claims
Sep 13, 2026
2e8b1f0
gc: expand a described promoted page only where a full's sweep reshap…
Sep 13, 2026
7de1da1
gc: an unbudgeted census walks each arena block in one pass (#10182)
Sep 13, 2026
dd7f353
gc: a full's hole-list rebuild skips live blocks the census proved ho…
Sep 13, 2026
a255005
gc: an unbudgeted sweep walks each arena block in one pass (#10182)
Sep 13, 2026
ab4c3b6
gc: read the mark's per-slot facts once per object (#10182)
Sep 13, 2026
3473b13
gc: find a census block through a direct-mapped window index (#10182)
Sep 13, 2026
48f96f1
gc: mark a pointer-free object without queueing it (#10182)
Sep 13, 2026
cd93f0a
gc: prefetch ahead in the full mark's worklist drain (#10182)
Sep 13, 2026
8288fae
gc: pace a full by the bytes promoted since the last full, at the pro…
Sep 13, 2026
84bd96f
gc: a promoted-cohort full adopts the census of the blocks its minor …
Sep 13, 2026
4140ad1
gc: prefetch a range descriptor's children before marking them; inlin…
Sep 13, 2026
3eb2a43
gc: census whole-block test plants enough objects for several bitmap …
Sep 13, 2026
d7f5fd5
gc: classify the pacing-full counters and re-pin the census window (#…
Sep 13, 2026
e38e3fc
docs: promoted-cohort fulls and the one-pass full (#10182)
Sep 13, 2026
bac8c66
gc: the hole-list rebuild filters blocks in place instead of copying …
Sep 14, 2026
c953877
gc: zero the dead stack below a full's frame between the census and t…
Sep 14, 2026
5fedc56
gc: re-pin the census window after the dead-stack scrub (#10182)
Sep 14, 2026
b2f41fd
changelog: pacing-full cost and promoted-cohort fulls (#10182)
Sep 14, 2026
710348a
changelog: state the target-row CPU miss exactly (#10182)
Sep 14, 2026
edec7cc
gc: a cohort full feeds the survival of the blocks its own minor prom…
Sep 14, 2026
1e6c3ef
gc: feed the cohort full's survival only when it is the minor's view …
Sep 14, 2026
577b2f0
gc: test the dead-remembered-parent gate on the cohort survival feed …
Sep 14, 2026
99dfcb8
gc: classify the cohort survival probe's thread-locals and re-pin the…
Sep 14, 2026
6a44e32
gc: leave the remembered-parents record untouched on safepoints that …
Sep 14, 2026
19adcd8
gc: note the remembered parents only for a promoting minor, as one pa…
Sep 14, 2026
a6053c9
gc: the promoted cohort counts in-place promotions only (#10182)
Sep 14, 2026
b13d074
changelog: cohort survival feed and in-place-only cohort (#10182)
Sep 14, 2026
f9b2f90
fix(gc): preserve the sabotage panic in debug and pin the merged cens…
Sep 14, 2026
73c7aaa
chore: release merge train 190 as v0.5.1568
Sep 14, 2026
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2 changes: 1 addition & 1 deletion CLAUDE.md
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Expand Up @@ -8,7 +8,7 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co

Perry is a native TypeScript compiler written in Rust that compiles TypeScript source code directly to native executables. It uses SWC for TypeScript parsing and LLVM for code generation.

**Current Version:** 0.5.1567
**Current Version:** 0.5.1568


## TypeScript Parity Status
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