grit://cooking/bench/diff/worktree@big-blobs

grit diff · worktree @big-blobs

Unstaged worktree diff on big-blobs: grit diff vs git diff

repo: 200 paths with large binary blobs and multiple blob revisions · 200 files · 120 commits · 40 refs

$ grit-bench daily --only diff/worktree@big-blobs2026-10-27 · grit 8dbc58e77 · git version 2.43.0

tool	median	min	max	runs	peak memory
git	296 ms	288 ms	298 ms	8	182 MB
grit	92 ms	88 ms	100 ms	8	191 MB

grit is 3.2× fastermemory: 1.1× more

every timed run (log scale)

git

grit

70 ms375 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 296 ms

index: do_read_index

0.0 ms

cache_tree: read

0.0 ms

diff: setup

0.0 ms

diff: write

0.0 ms

grit · median run 92 ms

grit.repository.open

0.2 ms

grit.config.load ×2

0.1 ms

grit.index.read

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	296 ms	92 ms	3.2× faster	191 MB
2026-10-26	c7cf2c443	349 ms	93 ms	3.8× faster	298 MB
2026-10-25	2824ad391	313 ms	164 ms	1.9× faster	295 MB
2026-10-24	157a05dde	308 ms	215 ms	1.4× faster	364 MB
2026-10-23	bddf92f86	316 ms	190 ms	1.7× faster	365 MB
2026-10-22	4c131b942	314 ms	222 ms	1.4× faster	364 MB
2026-10-21	d4844e92a	315 ms	214 ms	1.5× faster	364 MB
2026-10-20	4754ad0b9	323 ms	174 ms	1.8× faster	258 MB