grit://cooking/bench/repack/commit-graph@git-git

grit repack · commit-graph @git-git

grit gc commit-graph vs git commit-graph write on git.git

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

$ grit-bench daily --only repack/commit-graph@git-git2026-10-27 · grit 8dbc58e77 · git version 2.43.0

tool	median	min	max	runs	peak memory
git	632 ms	627 ms	633 ms	5	72 MB
grit	1.02 s	1.01 s	1.07 s	5	106 MB

grit is 1.6× slowermemory: 1.5× more

every timed run (log scale)

git

grit

498 ms1.34 s

How it's measured

before each run

set -eu 'grit-bench' prepare-daily-reset --git git

git runs

$ git commit-graph write --reachable --changed-paths

grit runs

$ grit gc commit-graph

checked first

before timing, git and grit were each run once and their results compared

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

git · median run 632 ms

chunkfile: write

49 ms

grit · median run 1.02 s

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	632 ms	1.02 s	1.6× slower	106 MB
2026-10-26	c7cf2c443	686 ms	1.26 s	1.8× slower	106 MB
2026-10-25	2824ad391	678 ms	1.05 s	1.6× slower	106 MB
2026-10-24	157a05dde	654 ms	1.13 s	1.7× slower	105 MB
2026-10-23	bddf92f86	651 ms	1.33 s	2.1× slower	105 MB
2026-10-22	4c131b942	716 ms	1.40 s	2.0× slower	105 MB
2026-10-21	d4844e92a	645 ms	1.39 s	2.2× slower	162 MB
2026-10-20	4754ad0b9	666 ms	1.23 s	1.9× slower	104 MB