git checkout optimisation - part 3
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- v2 Latest3 patches 6 repliesIn review
- v12 patches 0 repliesSuperseded
Patches in v2 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/3 | fix compile error when USE_NSEC is definedbuiltin-fetch-pack.c | +2 | 0 replies | |
| 2/3 | make USE_NSEC work as expectedcache.h read-cache.c unpack-trees.c | +65 | 3 replies | |
| 3/3 | verify_uptodate(): add ce_uptodate(ce) testunpack-trees.c | +1 | 0 replies |
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Cover letter [PATCH/RFC v2 0/3] git checkout optimisation - part 3
Changes sine v1
(v1 was posted with subject "The ext4 filesystem and racy git")
-- patch 2/3 --
Added missing timestamp => timestamp.(u)sec update for unpack-trees.c
-- patch 3/3 --
New patch which removes some 14300 lstat(2) calls, and the total is now at 41677 calls, or 1.382 calls/unique string to lstat() for the reference 'git checkout'-test to Linux tag v2.6.27.
Total reduction so far for all the lstat/git checkout optimisation patches has been 120954 - 41677 = 79277 calls. Some 14400 fstat(2) calls is added, but those should be faster than simmilar lstat() calls.
(patch-series based on master)
Kjetil Barvik (3):
fix compile error when USE_NSEC is defined
make USE_NSEC work as expected
verify_uptodate(): add ce_uptodate(ce) test
builtin-fetch-pack.c | 4 +- cache.h | 6 ++-- read-cache.c | 70 ++++++++++++++++++++++++++++++++++++++++---------- unpack-trees.c | 10 +++++-- 4 files changed, 68 insertions(+), 22 deletions(-)