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

grit push · incremental-http @git-git

Incremental push over grit smart HTTP (git-git bare remote)

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-http@git-git2026-10-27 · grit 8dbc58e77 · git version 2.43.0

tool	median	min	max	runs	peak memory
git	1.61 s	1.60 s	1.62 s	5	318 MB
grit	944 ms	936 ms	1.09 s	5	86 MB

grit is 1.7× fastermemory: 3.7× less

every timed run (log scale)

git

grit

743 ms2.04 s

How it's measured

setup

remote http://127.0.0.1:40479/fixture.git served by grit-http-server

before each run

grit-bench prepare-network-push --git git --bare /tmp/grit-bench-scratch/daily-remote-git-git-http-push/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 1.61 s

run: git remote-http

1.81 s

run: git-remote-http

1.81 s

push: transport_push

1.80 s

transport_pu: push_refs

1.20 s

run: git send-pack

1.20 s

run: git pack-objects

564 ms

pack-objects: enumerate-objects

556 ms

transport_pu: get_refs_list

2.4 ms

pack-objects: prepare-pack

1.9 ms

pack-objects: write-pack-file

0.7 ms

grit · median run 944 ms

grit.push

1.07 s

grit.repository.open ×3

0.6 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	1.61 s	944 ms	1.7× faster	86 MB
2026-10-26	c7cf2c443	92 ms	1.96 s	21× slower	91 MB
2026-10-25	2824ad391	1.77 s	1.04 s	1.7× faster	85 MB
2026-10-24	157a05dde	1.79 s	1.21 s	1.5× faster	136 MB
2026-10-23	bddf92f86	1.86 s	5.74 s	3.1× slower	2040 MB
2026-10-22	4c131b942	—	fail	—	—
2026-10-21	d4844e92a	—	fail	—	—
2026-10-20	4754ad0b9	—	fail	—	—