runtime: speed up funcinfo hot paths - #2010

Closed

cpunion wants to merge 23 commits into

xgo-dev:mainfrom

cpunion:codex/runtime-funcinfo-hotpath

Commits on Jun 29, 2026

ssa: emit DCE-safe function metadata
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committed
b2bbb47
runtime: add line info for stack frames
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94b2350
runtime: add statement line caller frames
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a7f0383

Commits on Jun 30, 2026

runtime: compress funcinfo table
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7de6c56
test: cover indirect runtime caller paths
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29164c0
test: yield during makefunc GC stress
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300e8bb
cl: narrow runtime caller tracking
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3f905e9
runtime: add compact pc-line funcinfo table
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c9286be
runtime: optimize FuncForPC metadata lookup
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0a7b3f4
runtime: slim FuncForPC cache hot path
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4237d69
cl: make pc-line labels clone-safe
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5a78b12
ci: extend macos coverage timeout
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cffaa09

Commits on Jul 1, 2026

runtime: guard funcinfo table initialization
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9d0f94b
runtime: fix funcinfo entry pc line metadata
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e804579
runtime: publish funcinfo records for live stubs
cpunion
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0635667
runtime: skip ELF stub-site records during LTO
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7f3c051
runtime: reduce funcinfo lookup initialization cost
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e93b232
test: cover runtime caller metadata edges
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7b24442
runtime: speed up funcinfo entry lookup
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3323f2e
test: cover pcline metadata in dev lto coverage
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1f48fc3
runtime: speed up funcinfo hot paths
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f8cf01e
benchmark: add runtime funcinfo comparison runner
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1f26921
runtime: avoid FuncForPC cache thrashing
cpunion
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89837e4