grit://cooking/bench/add/hunks@large-file

grit add · hunks @large-file

Stage half of 500 hunks in a 50k-line file: grit add --hunks vs git diff (same path) + first-half hunk select + git apply --cached

repo: synth-10k extended by one committed 50k-line large.txt, modified into 500 hunks; file/commit counts derived from recounted base plus that setup step · 10,001 files · 1,001 commits · 800 refs

$ grit-bench daily --only add/hunks@large-file2026-10-27 · grit 8dbc58e77 · git version 2.43.0

tool	median	min	max	runs	peak memory
git	12 ms	12 ms	27 ms	20	10 MB
grit	22 ms	21 ms	43 ms	20	27 MB

grit is 1.8× slowermemory: 2.7× more

every timed run (log scale)

git

grit

9.3 ms55 ms

How it's measured

before each run

grit-bench prepare-worktree-add-hunks --git git

git runs

$ git apply --cached /tmp/grit-bench-scratch/daily-synth-10k/hunks-half.patch

grit runs

$ H=$(cat '/tmp/grit-bench-scratch/daily-synth-10k/hunks-half.ids') && grit add --hunks "$H" -- large.txt

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

git · median run 12 ms

index: do_write_index

2.2 ms

index: do_read_index

0.5 ms

cache_tree: read

0.0 ms

cache_tree: write

0.0 ms

grit · median run 22 ms

grit.index.read ×4

3.0 ms

grit.repository.open

0.2 ms

grit.config.load ×2

0.1 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	12 ms	22 ms	1.8× slower	27 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	—	not run	—	—
2026-10-21	d4844e92a	—	not run	—	—
2026-10-20	4754ad0b9	—	not run	—	—