grit://cooking/bench/fsck/full@git-git
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grit fsck · full @git-git

Full fsck on git.git worktree vs git fsck

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

$ grit-bench daily --only fsck/full@git-git2026-10-27 · grit 8dbc58e77 · git version 2.43.0
toolmedianminmaxrunspeak memory
git27.28 s27.15 s27.95 s15574 MB
grit12.53 s12.28 s13.01 s12554 MB
grit is 2.2× fastermemory: same
every timed run (log scale)
git
grit
9.75 s35.18 s
How it's measured
git runs
$ git fsck
grit runs
$ grit fsck
Where the time goesone extra traced run per tool, outside the timed runs
git · median run 27.28 s
run: git commit-graph
6.4 ms
run: git multi-pack-index
4.9 ms
index: do_read_index
1.1 ms
cache_tree: read
0.1 ms
grit · median run 12.53 s
grit.index.read ×3
1.9 ms
grit.repository.open
0.2 ms
grit.config.load ×2
0.1 ms
grit.pack.index.open
0.1 ms
Every day8 days
dategrit commitgitgritgrit vs gitgrit peak
2026-10-278dbc58e7727.28 s12.53 s2.2× faster554 MB
2026-10-26c7cf2c44334.85 s19.33 s1.8× faster555 MB
2026-10-252824ad39128.81 s13.32 s2.2× faster556 MB
2026-10-24157a05dde29.93 s30.26 spar10824 MB
2026-10-23bddf92f8628.74 s27.04 s1.1× faster10938 MB
2026-10-224c131b94228.69 s27.62 spar10838 MB
2026-10-21d4844e92a—fail——
2026-10-204754ad0b928.40 s29.78 spar11083 MB