grit://cooking/bench/branch/list@many-refs-loose

grit branch · list @many-refs-loose

List branches on loose many-refs fixture vs git branch

repo: 10,000 loose refs · 200 files · 1,000 commits · 10,000 refs

$ grit-bench daily --only branch/list@many-refs-loose2026-10-27 · grit 8dbc58e77 · git version 2.43.0

tool	median	min	max	runs	peak memory
git	1.3 ms	1.1 ms	1.6 ms	20	6.7 MB
grit	2.0 ms	1.8 ms	2.4 ms	20	13 MB

grit is 1.5× slowermemory: 1.9× more

every timed run (log scale)

git

grit

0.9 ms3.1 ms

How it's measured

git runs

$ git branch

grit runs

$ grit branch

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

git

— not traced

grit · median run 2.0 ms

grit.repository.open

0.2 ms

grit.config.load ×2

0.1 ms

Every day8 days

date	grit commit	git	grit	grit vs git	grit peak
2026-10-27	8dbc58e77	1.3 ms	2.0 ms	1.5× slower	13 MB
2026-10-26	c7cf2c443	1.9 ms	3.1 ms	1.6× slower	13 MB
2026-10-25	2824ad391	1.3 ms	2.0 ms	1.6× slower	13 MB
2026-10-24	157a05dde	2.2 ms	3.3 ms	1.5× slower	14 MB
2026-10-23	bddf92f86	2.2 ms	3.9 ms	1.7× slower	16 MB
2026-10-22	4c131b942	2.2 ms	3.3 ms	1.5× slower	13 MB
2026-10-21	d4844e92a	2.2 ms	3.3 ms	1.5× slower	13 MB
2026-10-20	4754ad0b9	2.6 ms	9.1 ms	3.5× slower	14 MB