grit://cooking/bench/commit/small@small

grit commit · small @small

Commit on small synth: grit commit bench vs git add+commit

repo: 100-file synthetic repository · 100 files · 50 commits · 60 refs

$ grit-bench daily --only commit/small@small2026-10-27 · grit 8dbc58e77 · git version 2.43.0

tool	median	min	max	runs	peak memory
git	5.1 ms	4.6 ms	5.7 ms	20	12 MB
grit	4.8 ms	4.1 ms	10 ms	20	19 MB

grit is 1.1× fastermemory: 1.6× more

every timed run (log scale)

git

grit

3.2 ms13 ms

How it's measured

before each run

grit-bench prepare-worktree-commit --git git

git runs

$ set -eu
set -eu
if [ -s /tmp/grit-bench-scratch/daily-small/.grit-bench-worktree-paths ]; then
  tr '\n' '\0' < /tmp/grit-bench-scratch/daily-small/.grit-bench-worktree-paths | xargs -0 git add -- > /dev/null 2>&1
fi
git commit -q -m bench

grit runs

$ grit commit bench

Where the time goesone extra traced run per tool, outside the timed runs

git · median run 5.1 ms

run: git maintenance

1.2 ms

index: do_write_index ×2

0.1 ms

index: refresh

0.1 ms

index: do_read_index ×2

0.1 ms

dir: read_directory

0.1 ms

cache_tree: update ×2

0.0 ms

unpack_trees: unpack_trees

0.0 ms

unpack_trees: traverse_trees

0.0 ms

cache_tree: read ×2

0.0 ms

cache_tree: write ×2

0.0 ms

index: name-hash-init

0.0 ms

diff: setup

0.0 ms

diff: write

0.0 ms

grit · median run 4.8 ms

grit.repository.open ×2

0.3 ms

grit.index.write ×2

0.3 ms

grit.config.load ×4

0.1 ms

grit.diff.tree

0.1 ms

grit.index.read

0.0 ms

grit.pack.index.open

0.0 ms

Every day8 days

date	grit commit	git	grit	grit vs git	grit peak
2026-10-27	8dbc58e77	5.1 ms	4.8 ms	1.1× faster	19 MB
2026-10-26	c7cf2c443	9.5 ms	9.8 ms	par	18 MB
2026-10-25	2824ad391	5.9 ms	5.2 ms	1.1× faster	18 MB
2026-10-24	157a05dde	6.1 ms	6.5 ms	1.1× slower	17 MB
2026-10-23	bddf92f86	5.5 ms	7.2 ms	1.3× slower	18 MB
2026-10-22	4c131b942	6.2 ms	7.6 ms	1.2× slower	17 MB
2026-10-21	d4844e92a	5.6 ms	6.4 ms	1.1× slower	16 MB
2026-10-20	4754ad0b9	6.0 ms	5.8 ms	par	15 MB