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

grit diff · worktree @deep-tree

Unstaged worktree diff on deep-tree: grit diff vs git diff

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

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

tool	median	min	max	runs	peak memory
git	92 ms	88 ms	105 ms	44	39 MB
grit	196 ms	182 ms	225 ms	44	70 MB

grit is 2.1× slowermemory: 1.8× more

every timed run (log scale)

git

grit

70 ms283 ms

How it's measured

before each run

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

git runs

$ git diff

grit runs

$ grit diff

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

git · median run 92 ms

index: preload

55 ms

index: do_read_index

21 ms

cache_tree: read

20 ms

diff: setup

0.0 ms

diff: write

0.0 ms

grit · median run 196 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	92 ms	196 ms	2.1× slower	70 MB
2026-10-26	c7cf2c443	245 ms	389 ms	1.6× slower	76 MB
2026-10-25	2824ad391	101 ms	232 ms	2.3× slower	69 MB
2026-10-24	157a05dde	101 ms	227 ms	2.2× slower	70 MB
2026-10-23	bddf92f86	98 ms	431 ms	4.4× slower	67 MB
2026-10-22	4c131b942	105 ms	481 ms	4.6× slower	70 MB
2026-10-21	d4844e92a	103 ms	481 ms	4.7× slower	93 MB
2026-10-20	4754ad0b9	100 ms	437 ms	4.4× slower	70 MB