grit://cooking/bench/commit/staged@synth-100k

grit commit · staged @synth-100k

Commit pre-staged index: grit commit --staged vs git commit

repo: 100,000-file synthetic repository; canonical cached shape · 100,000 files · 1,000 commits · 1,200 refs

$ grit-bench daily --only commit/staged@synth-100k2026-10-27 · grit 8dbc58e77 · git version 2.43.0

tool	median	min	max	runs	peak memory
git	71 ms	63 ms	99 ms	80	36 MB
grit	72 ms	61 ms	193 ms	80	44 MB

grit is parmemory: 1.2× more

every timed run (log scale)

git

grit

48 ms243 ms

How it's measured

before each run

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

git runs

$ git commit -q -m bench

grit runs

$ grit commit --staged bench

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

git · median run 71 ms

index: preload ×2

22 ms

index: do_write_index

22 ms

index: do_read_index

6.4 ms

cache_tree: update ×2

2.4 ms

run: git maintenance

1.9 ms

index: refresh

1.4 ms

unpack_trees: unpack_trees

0.8 ms

unpack_trees: traverse_trees

0.2 ms

cache_tree: read

0.2 ms

cache_tree: write

0.1 ms

diff: setup

0.0 ms

diff: write

0.0 ms

grit · median run 72 ms

grit.index.write ×2

63 ms

grit.index.read

8.4 ms

grit.diff.tree

0.5 ms

grit.repository.open ×2

0.3 ms

grit.config.load ×4

0.1 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	71 ms	72 ms	par	44 MB
2026-10-26	c7cf2c443	109 ms	79 ms	1.4× faster	63 MB
2026-10-25	2824ad391	82 ms	83 ms	par	43 MB
2026-10-24	157a05dde	76 ms	77 ms	par	43 MB
2026-10-23	bddf92f86	78 ms	113 ms	1.4× slower	43 MB
2026-10-22	4c131b942	73 ms	117 ms	1.6× slower	42 MB
2026-10-21	d4844e92a	71 ms	127 ms	1.8× slower	41 MB
2026-10-20	4754ad0b9	—	not run	—	—