grit://cooking/bench/log/json-100@git-git

grit log · json-100 @git-git

Last 100 commits as JSON vs git log with a verbose --format

repo: Upstream git/git pinned at v2.47.0, full history · 4,525 files · 75,031 commits · 954 refs

$ grit-bench daily --only log/json-100@git-git2026-10-27 · grit 8dbc58e77 · git version 2.43.0

tool	median	min	max	runs	peak memory
git	3.1 ms	2.6 ms	3.8 ms	20	14 MB
grit	4.6 ms	4.1 ms	4.8 ms	20	24 MB

grit is 1.5× slowermemory: 1.6× more

every timed run (log scale)

git

grit

2.1 ms6.0 ms

How it's measured

git runs

$ git log -100 '--format=%H%x00%P%x00%an%x00%ae%x00%at%x00%cn%x00%ce%x00%ct%x00%s%x00%b%x00'

grit runs

$ grit log --limit 100 --json

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

git

— not traced

grit · median run 4.6 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	3.1 ms	4.6 ms	1.5× slower	24 MB
2026-10-26	c7cf2c443	3.6 ms	5.8 ms	1.6× slower	24 MB
2026-10-25	2824ad391	3.0 ms	4.4 ms	1.5× slower	24 MB
2026-10-24	157a05dde	3.3 ms	5.4 ms	1.6× slower	23 MB
2026-10-23	bddf92f86	3.3 ms	5.4 ms	1.6× slower	24 MB
2026-10-22	4c131b942	3.3 ms	6.5 ms	2.0× slower	24 MB
2026-10-21	d4844e92a	3.3 ms	15 ms	4.7× slower	44 MB
2026-10-20	4754ad0b9	—	not run	—	—