grit://cooking/bench/push/incremental@git-git

grit push · incremental @git-git

Incremental push vs git push

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

$ grit-bench daily --only push/incremental@git-git2026-10-27 · grit 8dbc58e77 · git version 2.43.0

tool	median	min	max	runs	peak memory
git	2.15 s	2.13 s	2.16 s	5	319 MB
grit	1.46 s	1.44 s	1.48 s	5	87 MB

grit is 1.5× fastermemory: 3.7× less

every timed run (log scale)

git

grit

1.15 s2.72 s

How it's measured

setup

remote http://127.0.0.1:43367/remote.git served by git http-backend (git's own smart HTTP server)

before each run

grit-bench prepare-network-push --git git --bare /tmp/grit-bench-scratch/daily-remote-git-git/remote.git

git runs

$ git push -q origin master

grit runs

$ grit push

checked first

before timing, git and grit were each run once and their results compared; the starting state is verified before every timed run; the result is verified after every timed run

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

git · median run 2.15 s

run: git remote-http

2.12 s

run: git-remote-http

2.12 s

push: transport_push

2.12 s

transport_pu: push_refs

1.58 s

run: git send-pack

1.58 s

run: git pack-objects

507 ms

pack-objects: enumerate-objects

499 ms

transport_pu: get_refs_list

5.0 ms

pack-objects: prepare-pack

2.1 ms

pack-objects: write-pack-file

0.7 ms

grit · median run 1.46 s

grit.push

1.44 s

grit.repository.open ×3

0.5 ms

grit.config.load ×4

0.2 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	2.15 s	1.46 s	1.5× faster	87 MB
2026-10-26	c7cf2c443	170 ms	2.05 s	12× slower	90 MB
2026-10-25	2824ad391	2.44 s	1.76 s	1.4× faster	85 MB
2026-10-24	157a05dde	2.31 s	1.76 s	1.3× faster	135 MB
2026-10-23	bddf92f86	1.64 s	7.6 ms	217× faster	26 MB
2026-10-22	4c131b942	1.64 s	8.6 ms	190× faster	25 MB
2026-10-21	d4844e92a	1.56 s	5.5 ms	287× faster	18 MB
2026-10-20	4754ad0b9	1.84 s	8.0 ms	230× faster	17 MB