grit://cooking/bench/revs/count@git-git
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grit revs · count @git-git

Count commits at HEAD: grit revs --count HEAD vs git rev-list --count HEAD

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

$ grit-bench daily --only revs/count@git-git2026-10-27 · grit 8dbc58e77 · git version 2.43.0
toolmedianminmaxrunspeak memory
git501 ms497 ms505 ms560 MB
grit606 ms598 ms648 ms5125 MB
grit is 1.2× slowermemory: 2.1× more
every timed run (log scale)
git
grit
395 ms815 ms
How it's measured
git runs
$ git rev-list --count HEAD
grit runs
$ grit revs --count HEAD
Where the time goesone extra traced run per tool, outside the timed runs
git
— not traced
grit · median run 606 ms
grit.revwalk.setup
592 ms
grit.repository.open
0.2 ms
grit.config.load ×2
0.1 ms
grit.pack.index.open
0.0 ms
Every day8 days
dategrit commitgitgritgrit vs gitgrit peak
2026-10-278dbc58e77501 ms606 ms1.2× slower125 MB
2026-10-26c7cf2c443566 ms841 ms1.5× slower125 MB
2026-10-252824ad391635 ms827 ms1.3× slower124 MB
2026-10-24157a05dde543 ms701 ms1.3× slower124 MB
2026-10-23bddf92f86596 ms818 ms1.4× slower124 MB
2026-10-224c131b942542 ms808 ms1.5× slower124 MB
2026-10-21d4844e92a505 ms756 ms1.5× slower124 MB
2026-10-204754ad0b9592 ms886 ms1.5× slower119 MB