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

grit push · refspec @git-git

Explicit refspec push HEAD:refs/heads/bench 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/refspec@git-git2026-10-27 · grit 8dbc58e77 · git version 2.43.0

tool	median	min	max	runs	peak memory
git	1.05 s	1.05 s	1.06 s	5	96 MB
grit	1.15 s	1.14 s	1.15 s	5	74 MB

grit is 1.1× slowermemory: 1.3× less

every timed run (log scale)

git

grit

831 ms1.45 s

How it's measured

setup

remote http://127.0.0.1:44565/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 HEAD:refs/heads/bench

grit runs

$ grit push origin HEAD:refs/heads/bench

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 1.05 s

run: git remote-http

1.05 s

run: git-remote-http

1.04 s

push: transport_push

1.04 s

transport_pu: push_refs

1.03 s

run: git send-pack

1.03 s

run: git pack-objects

510 ms

pack-objects: enumerate-objects

504 ms

transport_pu: get_refs_list

5.7 ms

pack-objects: prepare-pack

1.9 ms

pack-objects: write-pack-file

0.6 ms

grit · median run 1.15 s

grit.push

1.13 s

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	1.05 s	1.15 s	1.1× slower	74 MB
2026-10-26	c7cf2c443	—	fail	—	—
2026-10-25	2824ad391	—	fail	—	—
2026-10-24	157a05dde	—	fail	—	—
2026-10-23	bddf92f86	—	fail	—	—
2026-10-22	4c131b942	—	fail	—	—
2026-10-21	d4844e92a	—	not run	—	—
2026-10-20	4754ad0b9	—	not run	—	—