grit://cooking/bench/clone/bare@synth-10k

grit clone · bare @synth-10k

Bare clone synth-10k over smart HTTP vs git clone --bare

repo: 10,000-file synthetic repository; canonical cached shape, scenario variants documented by the runner · 10,000 files · 1,000 commits · 800 refs

$ grit-bench daily --only clone/bare@synth-10k2026-10-27 · grit 8dbc58e77 · git version 2.43.0

tool	median	min	max	runs	peak memory
git	824 ms	815 ms	837 ms	5	35 MB
grit	762 ms	755 ms	769 ms	5	25 MB

grit is 1.1× fastermemory: 1.4× less

every timed run (log scale)

git

grit

600 ms1.05 s

How it's measured

setup

remote http://127.0.0.1:44097/remote.git served by git http-backend (git's own smart HTTP server)

before each run

grit-bench prepare-network-clone --git git --bare /tmp/grit-bench-scratch/daily-remote-synth-10k-clone/remote.git

git runs

$ rm -rf /tmp/grit-bench-scratch/daily-remote-synth-10k-clone/remote.git-campaign-clone && cd /tmp/grit-bench-scratch/daily-remote-synth-10k-clone && git clone -q --bare --no-local http://127.0.0.1:44097/remote.git remote.git-campaign-clone

grit runs

$ rm -rf /tmp/grit-bench-scratch/daily-remote-synth-10k-clone/remote.git-campaign-clone && cd /tmp/grit-bench-scratch/daily-remote-synth-10k-clone && grit clone --bare http://127.0.0.1:44097/remote.git remote.git-campaign-clone

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 824 ms

run: git remote-http

833 ms

run: git-remote-http

832 ms

run: git fetch-pack

817 ms

run: git index-pack

366 ms

run: git rev-list

1.4 ms

fetch-pack: mark_common_remote_refs

0.6 ms

fetch-pack: parse_remote_refs_and_find_cutoff

0.5 ms

fetch-pack: mark_complete_local_refs

0.0 ms

fetch-pack: negotiation_v0_v1

0.0 ms

grit · median run 762 ms

grit.pack.index

142 ms

grit.pack.delta.resolve

124 ms

grit.repository.open ×3

0.4 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	824 ms	762 ms	1.1× faster	25 MB
2026-10-26	c7cf2c443	692 ms	780 ms	1.1× slower	24 MB
2026-10-25	2824ad391	842 ms	763 ms	1.1× faster	23 MB
2026-10-24	157a05dde	848 ms	954 ms	1.1× slower	44 MB
2026-10-23	bddf92f86	—	not run	—	—
2026-10-22	4c131b942	—	not run	—	—
2026-10-21	d4844e92a	—	not run	—	—
2026-10-20	4754ad0b9	—	not run	—	—