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Merge commit '22cb2f79dd'

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Roman Perepelitsa 2023-08-10 09:32:33 +02:00
commit 2d9c1f271b
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gitstatus/README.md
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@ -255,7 +255,7 @@ repository was checked out to an ext4 filesystem on M.2 SSD.
Three functionally equivalent tools for computing git status were benchmarked:
* `gitstatusd`
* `git` with untracked cache enabled
* `git` with `core.untrackedcache` enabled and `core.fsmonitor` disabled
* `lg2` -- a demo/example executable from [libgit2](https://github.com/romkatv/libgit2) that
implements a subset of `git` functionality on top of libgit2 API; for the purposes of this
benchmark the subset is sufficient to generate the same data as the other tools
@ -381,7 +381,7 @@ generated with the same tools and the same flags as the profile of libgit2.
Since both profiles were generated from the same workload, absolute numbers can be compared. We can
see that gitstatusd took 62 seconds in total compared to libgit2's 232 seconds. System calls at the
core of the algorithm are cleary visible. `__GI___fxstatat` is a flavor of `stat()`, and the other
core of the algorithm are clearly visible. `__GI___fxstatat` is a flavor of `stat()`, and the other
three calls -- `__libc_openat64`, `__libc_close` and `__GI___fxstat` are responsible for opening
directories and finding untracked files. Notice that there is almost nothing else in the profile
apart from these calls. The rest of the code accounts for 3.77 seconds of CPU time -- 32 times less