perf(gc): cut the copying minor's per-live-object trace cost (straight-line object scan, hoisted per-object facts, exact memos) - #11676

Merged

proggeramlug merged 8 commits into

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perf/11549-trace-cost

Sep 30, 2026

Commits on Sep 30, 2026

perf(gc): copying drain instantiates the slot walk for its visitor; parent remembering fact hoisted per object
Ralph Küpper
committed
a6d3bdb
perf(gc): copying drain scans ordinary objects through a straight-line plan; exact shape-mask memo
Ralph Küpper
committed
1b2c301
perf(gc): raw words consult the mark memo first; skip the carrier generation probe when the note is a no-op
Ralph Küpper
committed
c169213
perf(gc): the plain-object scan takes the residual-prototype edge and wide masks itself instead of declining
Ralph Küpper
committed
a18f324
chore(gc): re-audit PASS1_MARKED's gc/mod.rs pin; pin the plain-object scan's test counter
Ralph Küpper
committed
6b5b474
perf(gc): keep the child-slot builder and payload selection inline in both descriptor-walk instantiations
Ralph Küpper
committed
896bfba
chore(gc): keep SHAPE_LAYOUTS' map visible to the registry gate; the shape census reads the walk's one body and the plain-object plan
Ralph Küpper
committed
f4af227
changelog: #11676 copying minor per-live-object trace cost
Ralph Küpper
committed
02ed058