grit://cooking/bench/diff/stat@synth-100k

grit diff · stat @synth-100k

Unstaged worktree diff stat (~1% modified): grit diff --stat vs git diff --stat

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

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

tool	median	min	max	runs	peak memory
git	100 ms	95 ms	104 ms	19	29 MB
grit	64 ms	60 ms	68 ms	19	57 MB

grit is 1.6× fastermemory: 2.0× more

every timed run (log scale)

git

grit

48 ms131 ms

How it's measured

before each run

grit-bench prepare-worktree-diff --git git

git runs

$ git diff --stat

grit runs

$ grit diff --stat

checked first

the starting state is verified before every timed run

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

git · median run 100 ms

index: preload

18 ms

index: do_read_index

5.0 ms

cache_tree: read

0.2 ms

diff: setup

0.0 ms

diff: write

0.0 ms

grit · median run 64 ms

grit.index.read

8.1 ms

grit.repository.open

0.2 ms

grit.config.load ×2

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	100 ms	64 ms	1.6× faster	57 MB
2026-10-26	c7cf2c443	180 ms	140 ms	1.3× faster	63 MB
2026-10-25	2824ad391	105 ms	93 ms	1.1× faster	58 MB
2026-10-24	157a05dde	103 ms	107 ms	par	59 MB
2026-10-23	bddf92f86	—	not run	—	—
2026-10-22	4c131b942	—	not run	—	—
2026-10-21	d4844e92a	—	not run	—	—
2026-10-20	4754ad0b9	—	not run	—	—