grit://cooking/bench/branch/delete@many-refs

grit branch · delete @many-refs

Delete one branch vs git branch -D

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

$ grit-bench daily --only branch/delete@many-refs2026-10-27 · grit 8dbc58e77 · git version 2.43.0

tool	median	min	max	runs	peak memory
git	3.8 ms	3.4 ms	4.3 ms	20	7.7 MB
grit	4.3 ms	3.4 ms	4.9 ms	20	15 MB

grit is 1.1× slowermemory: 2.0× more

every timed run (log scale)

git

grit

2.7 ms6.2 ms

How it's measured

before each run

set -eu 'grit-bench' prepare-daily-reset --git git git branch -D daily-bench-branch 2>/dev/null || true git branch daily-bench-branch HEAD

git runs

$ git branch -D daily-bench-branch

grit runs

$ grit branch -D daily-bench-branch

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

git

— not traced

grit · median run 4.3 ms

grit.repository.open

0.2 ms

grit.config.load ×3

0.2 ms

Every day8 days

date	grit commit	git	grit	grit vs git	grit peak
2026-10-27	8dbc58e77	3.8 ms	4.3 ms	1.1× slower	15 MB
2026-10-26	c7cf2c443	2.4 ms	9.5 ms	3.9× slower	16 MB
2026-10-25	2824ad391	4.2 ms	7.2 ms	1.7× slower	16 MB
2026-10-24	157a05dde	4.5 ms	7.7 ms	1.7× slower	16 MB
2026-10-23	bddf92f86	4.4 ms	8.6 ms	2.0× slower	17 MB
2026-10-22	4c131b942	4.4 ms	7.9 ms	1.8× slower	16 MB
2026-10-21	d4844e92a	4.6 ms	9.7 ms	2.1× slower	16 MB
2026-10-20	4754ad0b9	5.7 ms	10 ms	1.8× slower	14 MB