grit://cooking/bench/stash/push-paths@synth-10k

grit stash · push-paths @synth-10k

Stash ~1% pathspec: grit stash push -- <paths> vs git stash push -- <paths>

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 stash/push-paths@synth-10k2026-10-27 · grit 8dbc58e77 · git version 2.43.0

tool	median	min	max	runs	peak memory
git	72 ms	70 ms	81 ms	20	19 MB
grit	31 ms	30 ms	33 ms	20	28 MB

grit is 2.3× fastermemory: 1.5× more

every timed run (log scale)

git

grit

24 ms101 ms

How it's measured

before each run

set -eu set -eu 'grit-bench' prepare-daily-reset --git git cd /tmp/grit-bench-scratch/daily-synth-10k/worktree-run-synth-10k && grit-bench prepare-worktree-add --git git

git runs

$ set -eu
if [ -s /tmp/grit-bench-scratch/daily-synth-10k/.grit-bench-worktree-paths ]; then
  tr '\n' '\0' < /tmp/grit-bench-scratch/daily-synth-10k/.grit-bench-worktree-paths | xargs -0 git stash push -q -- > /dev/null 2>&1
fi

grit runs

$ set -eu
if [ -s /tmp/grit-bench-scratch/daily-synth-10k/.grit-bench-worktree-paths ]; then
  tr '\n' '\0' < /tmp/grit-bench-scratch/daily-synth-10k/.grit-bench-worktree-paths | xargs -0 grit stash push -- > /dev/null 2>&1
fi

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

git · median run 72 ms

index: do_write_index ×7

16 ms

run: git add

16 ms

unpack_trees: unpack_trees ×5

13 ms

run: git diff-index

9.7 ms

run: git apply

8.9 ms

index: preload ×8

7.9 ms

unpack_trees: traverse_trees ×5

7.0 ms

run: git update-index

5.9 ms

index: do_read_index ×6

3.3 ms

index: refresh ×3

0.7 ms

index: name-hash-init ×2

0.5 ms

cache_tree: update

0.2 ms

cache_tree: read ×6

0.1 ms

cache_tree: write ×7

0.1 ms

grit · median run 31 ms

grit.index.read ×5

3.8 ms

grit.index.write

2.8 ms

grit.repository.open ×2

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	72 ms	31 ms	2.3× faster	28 MB
2026-10-26	c7cf2c443	—	not run	—	—
2026-10-25	2824ad391	—	not run	—	—
2026-10-24	157a05dde	—	not run	—	—
2026-10-23	bddf92f86	—	not run	—	—
2026-10-22	4c131b942	—	not run	—	—
2026-10-21	d4844e92a	—	not run	—	—
2026-10-20	4754ad0b9	—	not run	—	—