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

Create one branch vs git branch

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

$ grit-bench daily --only branch/create@many-refs2026-10-27 · grit 8dbc58e77 · git version 2.43.0
toolmedianminmaxrunspeak memory
git1.6 ms1.2 ms2.0 ms207.4 MB
grit2.5 ms2.1 ms2.9 ms2016 MB
grit is 1.6× slowermemory: 2.1× more
every timed run (log scale)
git
grit
1.0 ms3.7 ms
How it's measured
before each run
set -eu 'grit-bench' prepare-daily-reset --git git git branch -D daily-bench-branch 2>/dev/null || true
git runs
$ git branch daily-bench-branch
grit runs
$ grit branch daily-bench-branch
Where the time goesone extra traced run per tool, outside the timed runs
git
— not traced
grit · median run 2.5 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
2026-10-278dbc58e771.6 ms2.5 ms1.6× slower16 MB
2026-10-26c7cf2c4432.2 ms3.6 ms1.7× slower14 MB
2026-10-252824ad3911.6 ms2.6 ms1.7× slower15 MB
2026-10-24157a05dde2.2 ms3.3 ms1.5× slower15 MB
2026-10-23bddf92f862.2 ms4.4 ms2.0× slower16 MB
2026-10-224c131b9422.2 ms3.3 ms1.5× slower15 MB
2026-10-21d4844e92a2.2 ms29 ms13× slower23 MB
2026-10-204754ad0b92.7 ms48 ms18× slower23 MB