grit://cooking/bench/merge/clean@synth-100k
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grit merge · clean @synth-100k

Merge branch on 100k-file synthetic vs git merge

repo: 100,000-file synthetic repository; canonical cached shape · 100,000 files · 1,000 commits · 1,200 refs

$ grit-bench daily --only merge/clean@synth-100k2026-10-27 · grit 8dbc58e77 · git version 2.43.0
toolmedianminmaxrunspeak memory
git281 ms242 ms290 ms844 MB
grit145 ms142 ms150 ms854 MB
grit is 1.9× fastermemory: 1.2× more
every timed run (log scale)
git
grit
113 ms365 ms
How it's measured
before each run
grit-bench prepare-merge --git git
git runs
$ git merge -q --no-edit topic
grit runs
$ grit merge topic
Where the time goesone extra traced run per tool, outside the timed runs
git · median run 281 ms
unpack_trees: unpack_trees ×3
87 ms
merge: checkout
83 ms
run: git stash
83 ms
index: do_write_index ×2
42 ms
index: preload ×3
26 ms
index: do_read_index ×2
11 ms
unpack_trees: traverse_trees ×3
11 ms
index: refresh ×3
9.6 ms
cache_tree: update
2.3 ms
run: git maintenance
2.1 ms
merge: incore_recursive
1.1 ms
merge: process_entries ×3
0.7 ms
merge: collect_merge_info
0.5 ms
cache_tree: read ×2
0.3 ms
cache_tree: write ×2
0.2 ms
merge: traverse_trees
0.2 ms
merge: plist ×3
0.1 ms
merge: write_auto_merge
0.0 ms
merge: processing
0.0 ms
merge: merge_start
0.0 ms
grit · median run 145 ms
grit.index.write ×2
38 ms
grit.index.read ×3
19 ms
grit.diff.tree ×5
1.8 ms
grit.repository.open ×2
0.3 ms
grit.config.load ×4
0.1 ms
grit.pack.index.open
0.0 ms
Every day8 days
dategrit commitgitgritgrit vs gitgrit peak
2026-10-278dbc58e77281 ms145 ms1.9× faster54 MB
2026-10-26c7cf2c443497 ms280 ms1.8× faster58 MB
2026-10-252824ad391297 ms204 ms1.5× faster49 MB
2026-10-24157a05dde294 ms175 ms1.7× faster50 MB
2026-10-23bddf92f86285 ms172 ms1.7× faster50 MB
2026-10-224c131b942285 ms192 ms1.5× faster54 MB
2026-10-21d4844e92a274 ms1.60 s5.8× slower55 MB
2026-10-204754ad0b9327 ms2.17 s6.6× slower59 MB