grit://cooking/bench/add/modified@big-blobs

grit add · modified @big-blobs

Stage ~1% modified paths: grit add -- <paths> vs git add -- <paths>

repo: 200 paths with large binary blobs and multiple blob revisions · 200 files · 120 commits · 40 refs

$ grit-bench daily --only add/modified@big-blobs2026-10-27 · grit 8dbc58e77 · git version 2.43.0

tool	median	min	max	runs	peak memory
git	213 ms	212 ms	216 ms	10	78 MB
grit	115 ms	106 ms	118 ms	10	88 MB

grit is 1.9× fastermemory: 1.1× more

every timed run (log scale)

git

grit

84 ms272 ms

How it's measured

before each run

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

git runs

$ set -eu
if [ -s /tmp/grit-bench-scratch/daily-big-blobs/.grit-bench-worktree-paths ]; then
  tr '\n' '\0' < /tmp/grit-bench-scratch/daily-big-blobs/.grit-bench-worktree-paths | xargs -0 git add -- > /dev/null 2>&1
fi

grit runs

$ set -eu
if [ -s /tmp/grit-bench-scratch/daily-big-blobs/.grit-bench-worktree-paths ]; then
  tr '\n' '\0' < /tmp/grit-bench-scratch/daily-big-blobs/.grit-bench-worktree-paths | xargs -0 grit add -- > /dev/null 2>&1
fi

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

git · median run 213 ms

index: do_write_index

0.1 ms

index: do_read_index

0.1 ms

dir: read_directory

0.0 ms

cache_tree: read

0.0 ms

index: name-hash-init

0.0 ms

cache_tree: write

0.0 ms

grit · median run 115 ms

grit.repository.open

0.2 ms

grit.index.write

0.2 ms

grit.config.load ×2

0.1 ms

grit.index.read

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	213 ms	115 ms	1.9× faster	88 MB
2026-10-26	c7cf2c443	290 ms	275 ms	1.1× faster	87 MB
2026-10-25	2824ad391	234 ms	132 ms	1.8× faster	86 MB
2026-10-24	157a05dde	226 ms	545 ms	2.4× slower	155 MB
2026-10-23	bddf92f86	223 ms	412 ms	1.8× slower	156 MB
2026-10-22	4c131b942	220 ms	400 ms	1.8× slower	155 MB
2026-10-21	d4844e92a	214 ms	462 ms	2.2× slower	154 MB
2026-10-20	4754ad0b9	242 ms	444 ms	1.8× slower	155 MB