grit://cooking/bench/reset/mixed@synth-10k
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grit reset · mixed @synth-10k

Mixed reset dirty tree: grit reset HEAD vs git reset --mixed HEAD

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 reset/mixed@synth-10k2026-10-27 · grit 8dbc58e77 · git version 2.43.0
toolmedianminmaxrunspeak memory
git8.0 ms6.7 ms8.9 ms209.1 MB
grit10 ms9.2 ms11 ms2020 MB
grit is 1.3× slowermemory: 2.2× more
every timed run (log scale)
git
grit
5.3 ms14 ms
How it's measured
before each run
grit-bench prepare-worktree-status-dirty --git git
git runs
$ git reset --mixed HEAD
grit runs
$ grit reset HEAD
Where the time goesone extra traced run per tool, outside the timed runs
git · median run 8.0 ms
index: do_write_index
2.3 ms
index: preload
1.8 ms
index: do_read_index
0.5 ms
index: refresh
0.3 ms
unpack_trees: unpack_trees
0.1 ms
cache_tree: read
0.0 ms
cache_tree: write
0.0 ms
unpack_trees: traverse_trees
0.0 ms
grit · median run 10 ms
grit.index.write
2.5 ms
grit.index.read
0.9 ms
grit.repository.open
0.2 ms
grit.config.load ×2
0.1 ms
grit.pack.index.open
0.0 ms
Every day8 days
dategrit commitgitgritgrit vs gitgrit peak
2026-10-278dbc58e778.0 ms10 ms1.3× slower20 MB
2026-10-26c7cf2c44316 ms18 ms1.1× slower21 MB
2026-10-252824ad3918.4 ms11 ms1.4× slower21 MB
2026-10-24157a05dde9.0 ms46 ms5.1× slower21 MB
2026-10-23bddf92f8610 ms51 ms4.9× slower21 MB
2026-10-224c131b9429.3 ms48 ms5.2× slower21 MB
2026-10-21d4844e92a8.2 ms41 ms5.0× slower20 MB
2026-10-204754ad0b99.4 ms47 ms5.0× slower19 MB