grit://cooking/bench/branch/merged@many-refs
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grit branch · merged @many-refs

Branch --merged vs git branch --merged

repo: 10,000 packed refs · 200 files · 1,000 commits · 10,000 refs

$ grit-bench daily --only branch/merged@many-refs2026-10-27 · grit 8dbc58e77 · git version 2.43.0
toolmedianminmaxrunspeak memory
git1.3 ms1.2 ms1.7 ms206.0 MB
grit2.3 ms2.1 ms2.5 ms2015 MB
grit is 1.8× slowermemory: 2.4× more
every timed run (log scale)
git
grit
0.9 ms3.2 ms
How it's measured
git runs
$ git branch --merged main
grit runs
$ grit branch --merged main
Where the time goesone extra traced run per tool, outside the timed runs
git
— not traced
grit · median run 2.3 ms
grit.repository.open
0.2 ms
grit.config.load ×2
0.1 ms
grit.pack.index.open
0.0 ms
Every day8 days
dategrit commitgitgritgrit vs gitgrit peak
2026-10-278dbc58e771.3 ms2.3 ms1.8× slower15 MB
2026-10-26c7cf2c4432.1 ms3.4 ms1.6× slower14 MB
2026-10-252824ad3911.4 ms2.2 ms1.6× slower14 MB
2026-10-24157a05dde2.2 ms3.3 ms1.5× slower15 MB
2026-10-23bddf92f862.2 ms4.4 ms2.0× slower15 MB
2026-10-224c131b942—not run——
2026-10-21d4844e92a—not run——
2026-10-204754ad0b9—not run——