grit://cooking/bench/diff/staged@deep-tree

grit diff · staged @deep-tree

Staged diff on deep-tree: grit diff --staged vs git diff --cached

repo: 5,000 files nested across 30–40 directory levels · 5,000 files · 300 commits · 60 refs

$ grit-bench daily --only diff/staged@deep-tree2026-10-27 · grit 8dbc58e77 · git version 2.43.0

tool	median	min	max	runs	peak memory
git	36 ms	33 ms	50 ms	80	41 MB
grit	37 ms	32 ms	41 ms	80	48 MB

grit is parmemory: 1.2× more

every timed run (log scale)

git

grit

26 ms63 ms

How it's measured

before each run

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

git runs

$ git diff --cached

grit runs

$ grit diff --staged

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

git · median run 36 ms

index: do_read_index

20 ms

cache_tree: read

20 ms

unpack_trees: unpack_trees

4.1 ms

unpack_trees: traverse_trees

4.0 ms

diff: write

0.0 ms

diff: setup

0.0 ms

grit · median run 37 ms

grit.index.read

19 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	36 ms	37 ms	par	48 MB
2026-10-26	c7cf2c443	60 ms	51 ms	1.2× faster	56 MB
2026-10-25	2824ad391	40 ms	41 ms	par	47 MB
2026-10-24	157a05dde	38 ms	41 ms	1.1× slower	47 MB
2026-10-23	bddf92f86	41 ms	47 ms	1.1× slower	47 MB
2026-10-22	4c131b942	39 ms	490 ms	13× slower	77 MB
2026-10-21	d4844e92a	39 ms	163 ms	4.2× slower	53 MB
2026-10-20	4754ad0b9	42 ms	98 ms	2.3× slower	45 MB