Shuqi Liang <cheskaqiqi@xxxxxxxxx> writes: > Update 'git write-tree' to allow using the sparse-index in memory > without expanding to a full one. > > The recursive algorithm for update_one() was already updated in 2de37c5 > (cache-tree: integrate with sparse directory entries, 2021-03-03) to > handle sparse directory entries in the index. Hence we can just set the > requires-full-index to false for "write-tree". > > The `p2000` tests demonstrate a ~96% execution time reduction for 'git > write-tree' using a sparse index: > > Test before after > ----------------------------------------------------------------- > 2000.78: git write-tree (full-v3) 0.34 0.33 -2.9% > 2000.79: git write-tree (full-v4) 0.32 0.30 -6.3% > 2000.80: git write-tree (sparse-v3) 0.47 0.02 -95.8% > 2000.81: git write-tree (sparse-v4) 0.45 0.02 -95.6% > > Signed-off-by: Shuqi Liang <cheskaqiqi@xxxxxxxxx> > --- > builtin/write-tree.c | 4 ++++ > t/perf/p2000-sparse-operations.sh | 1 + > t/t1092-sparse-checkout-compatibility.sh | 28 ++++++++++++++++++++++++ > 3 files changed, 33 insertions(+) Has the test suite been exercised with this patch? It seems to break at least t0012
