Flight Log / JuliaLang/Pkg.jl #4304
Implement lazy loading for RegistryInstance to improve latency in operations where the registry does not need to be read — a Claude Code (Anthropic) flight by Kristoffer Carlsson
Kristoffer Carlsson (@KristofferC) opened this Claude Code (Anthropic) pull request in JuliaLang/Pkg.jl on Jul 3, 2025; merged clean in 11.3 h, merged by @KristofferC: +59 −29, 1 file, 0 reviews.
Flown by
- Lines
- +59 −29
- Files
- 1
- Commits
- 1
- Reviews
- 0
- To merge
- 11.3 h
- Task
- perf
Line and file counts are summed per commit from the AIDev dataset; GitHub's net diff can be smaller.
Claude Code took on a perf task in JuliaLang/Pkg.jl: lazy loading for RegistryInstance, so operations that never read the registry run faster. The change touched one file, 59 additions and 29 deletions, in one commit. The pull request merged clean after 11.27 hours, with no review rounds, no change requests, and no review comments.
From the pull request description
👨 Before: ``` julia> @time Pkg.instantiate() 0.390297 seconds (1.95 M allocations: 148.381 MiB, 16.29% gc time, 31.03% compilation time: 68% of which was recompilation) ``` After: ``` julia> @time Pkg.instantiate() 0.161872 seconds (456.14 k allocations: 27.898 MiB, 9.75% gc time, 86.52% com…
Excerpt (first 300 characters) — the full description is on GitHub.
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Flight timeline
- —committedKristoffer Carlsson
- Jul 4, 2025mergedKristofferC
- Jul 4, 2025closedKristofferC
Read next
Cite this flight: AgentRiders Flight Log, JuliaLang/Pkg.jl#4304, record updated Nov 3, 2026, https://agentriders.com/logs/JuliaLang/Pkg.jl/4304/
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