grit://cooking/bench/commit/dry-run@synth-10k
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grit commit · dry-run @synth-10k

Preview commit: grit commit --dry-run vs git commit --dry-run

repo: 10,000-file synthetic repository; canonical cached shape, scenario variants documented by the runner · 10,000 files · 1,000 commits · 800 refs

$ grit-bench daily --only commit/dry-run@synth-10k2026-10-27 · grit 8dbc58e77 · git version 2.43.0
toolmedianminmaxrunspeak memory
git11 ms10 ms50 ms2014 MB
grit23 ms22 ms42 ms2028 MB
grit is 2.1× slowermemory: 2.0× more
every timed run (log scale)
git
grit
8.3 ms63 ms
How it's measured
before each run
grit-bench prepare-worktree-commit --git git
git runs
$ git commit --dry-run -a -m bench
grit runs
$ grit commit --dry-run -m bench
Where the time goesone extra traced run per tool, outside the timed runs
git · median run 11 ms
index: preload ×2
2.3 ms
index: do_write_index
2.2 ms
status: untracked
2.1 ms
dir: read_directory
2.1 ms
index: do_read_index
0.5 ms
index: name-hash-init
0.2 ms
status: index
0.2 ms
cache_tree: update
0.2 ms
index: refresh
0.2 ms
unpack_trees: unpack_trees
0.2 ms
unpack_trees: traverse_trees
0.1 ms
status: print
0.1 ms
status: worktrees
0.1 ms
cache_tree: read
0.0 ms
cache_tree: write
0.0 ms
diff: setup ×3
0.0 ms
diff: write ×3
0.0 ms
grit · median run 23 ms
grit.index.read
0.8 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
2026-10-278dbc58e7711 ms23 ms2.1× slower28 MB
2026-10-26c7cf2c44324 ms47 ms2.0× slower27 MB
2026-10-252824ad39112 ms28 ms2.4× slower23 MB
2026-10-24157a05dde11 ms26 ms2.3× slower27 MB
2026-10-23bddf92f8612 ms30 ms2.4× slower22 MB
2026-10-224c131b94211 ms28 ms2.5× slower22 MB
2026-10-21d4844e92a—not run——
2026-10-204754ad0b9—not run——