Mercurial > hg
annotate mercurial/mpatch.h @ 39627:ee7ee0c516ca
narrow: intersect provided matcher with narrowmatcher in `hg diff`
This provides significant speedups when running diff, and no change in behavior
that I'm aware of (or that the tests found). I tested with a repo that I started
using narrow in after it was created and attempted to run `hg diff -c .` and
similar commands in it on a commit that had files not in the narrowspec.
Timing numbers below, using a similar setup as my previous commits.
before=9db85644, m-u is mozilla-unified at eb39298e432d (flatmanifest) and
0553b7f29eaf (treemanifest). l-d-r is a repo simulating a situation I've
encountered where there's one directory with 30k+ subdirectories. N means
narrow, T means treemanifest. The narrowspec is pretty small when in use, and
importantly the narrowspec is applied *after* doing the initial checkout
(without narrowing), so all of these files exist in the filesystem, which is not
normally the case if someone has been using narrow for the entire life of the
clone.
Anything less than a 5% difference in performance is most likely noise.
diff --git:
repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before
------+---+---+------------------------+-----------------------+------------
m-u | | | 1.292 s +- 0.009 s | 1.295 s +- 0.010 s | 100.2%
m-u | | x | 1.296 s +- 0.042 s | 1.299 s +- 0.026 s | 100.2%
m-u | x | | 1.292 s +- 0.010 s | 1.297 s +- 0.021 s | 100.4%
m-u | x | x | 84.2 ms +- 1.2 ms | 83.6 ms +- 0.2 ms | 99.3%
l-d-r | | | 188.7 ms +- 2.7 ms | 188.8 ms +- 2.0 ms | 100.1%
l-d-r | | x | 189.9 ms +- 1.5 ms | 189.4 ms +- 1.2 ms | 99.7%
l-d-r | x | | 97.1 ms +- 1.0 ms | 87.1 ms +- 1.0 ms | 89.7% <--
l-d-r | x | x | 96.9 ms +- 0.8 ms | 87.2 ms +- 0.7 ms | 90.0% <--
diff -c . --git:
repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before
------+---+---+------------------------+-----------------------+------------
m-u | | | 231.6 ms +- 3.1 ms | 228.9 ms +- 1.6 ms | 98.8%
m-u | | x | 150.5 ms +- 1.7 ms | 150.7 ms +- 1.4 ms | 100.1%
m-u | x | | 233.7 ms +- 2.4 ms | 232.2 ms +- 1.9 ms | 99.4%
m-u | x | x | 126.1 ms +- 1.2 ms | 126.8 ms +- 1.2 ms | 100.6%
l-d-r | | | 82.1 ms +- 2.0 ms | 81.8 ms +- 1.4 ms | 99.6%
l-d-r | | x | 3.732 s +- 0.020 s | 3.746 s +- 0.027 s | 100.4%
l-d-r | x | | 83.1 ms +- 0.8 ms | 107.6 ms +- 2.4 ms | 129.5% <--
l-d-r | x | x | 758.2 ms +- 38.8 ms | 188.5 ms +- 1.8 ms | 24.9% <--
rebase -r . --keep -d .^^:
repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before
------+---+---+------------------------+-----------------------+------------
m-u | | | 5.532 s +- 0.087 s | 5.496 s +- 0.016 s | 99.3%
m-u | | x | 5.554 s +- 0.061 s | 5.532 s +- 0.013 s | 99.6%
m-u | x | | 5.602 s +- 0.134 s | 5.508 s +- 0.035 s | 98.3%
m-u | x | x | 582.2 ms +- 15.2 ms | 572.9 ms +- 12.0 ms | 98.4%
l-d-r | | | 629.5 ms +- 12.3 ms | 622.5 ms +- 7.3 ms | 98.9%
l-d-r | | x | 6.173 s +- 0.062 s | 6.185 s +- 0.076 s | 100.2%
l-d-r | x | | 274.5 ms +- 10.0 ms | 272.1 ms +- 6.2 ms | 99.1%
l-d-r | x | x | 4.835 s +- 0.056 s | 4.826 s +- 0.034 s | 99.8%
status --change . --copies:
repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before
------+---+---+------------------------+-----------------------+------------
m-u | | | 214.4 ms +- 1.4 ms | 212.2 ms +- 1.7 ms | 99.0%
m-u | | x | 130.9 ms +- 1.2 ms | 131.7 ms +- 1.1 ms | 100.6%
m-u | x | | 215.0 ms +- 2.1 ms | 214.9 ms +- 2.7 ms | 100.0%
m-u | x | x | 109.5 ms +- 2.3 ms | 107.8 ms +- 0.9 ms | 98.4%
l-d-r | | | 79.6 ms +- 0.9 ms | 79.8 ms +- 1.6 ms | 100.3%
l-d-r | | x | 3.799 s +- 0.037 s | 3.928 s +- 0.021 s | 103.4% <--?
l-d-r | x | | 82.7 ms +- 0.7 ms | 83.2 ms +- 1.0 ms | 100.6%
l-d-r | x | x | 746.8 ms +- 6.1 ms | 739.0 ms +- 4.2 ms | 99.0%
status --copies:
repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before
------+---+---+------------------------+-----------------------+------------
m-u | | | 1.884 s +- 0.012 s | 1.885 s +- 0.013 s | 100.1%
m-u | | x | 1.897 s +- 0.027 s | 1.909 s +- 0.077 s | 100.6%
m-u | x | | 1.886 s +- 0.021 s | 1.891 s +- 0.030 s | 100.3%
m-u | x | x | 92.0 ms +- 0.7 ms | 92.4 ms +- 0.4 ms | 100.4%
l-d-r | | | 570.3 ms +- 18.7 ms | 552.2 ms +- 4.5 ms | 96.8%
l-d-r | | x | 568.9 ms +- 16.1 ms | 567.2 ms +- 11.9 ms | 99.7%
l-d-r | x | | 171.1 ms +- 2.5 ms | 170.4 ms +- 1.2 ms | 99.6%
l-d-r | x | x | 171.6 ms +- 3.4 ms | 171.5 ms +- 1.7 ms | 99.9%
update $rev^; ~/src/hg/hg{hg}/hg update $rev:
repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before
------+---+---+------------------------+-----------------------+------------
m-u | | | 3.107 s +- 0.017 s | 3.116 s +- 0.012 s | 100.3%
m-u | | x | 2.943 s +- 0.010 s | 2.945 s +- 0.019 s | 100.1%
m-u | x | | 3.116 s +- 0.033 s | 3.118 s +- 0.027 s | 100.1%
m-u | x | x | 318.5 ms +- 2.7 ms | 320.8 ms +- 4.8 ms | 100.7%
l-d-r | | | 428.9 ms +- 4.4 ms | 429.5 ms +- 4.0 ms | 100.1%
l-d-r | | x | 9.593 s +- 0.081 s | 9.869 s +- 0.043 s | 102.9%
l-d-r | x | | 253.2 ms +- 3.6 ms | 254.0 ms +- 2.8 ms | 100.3%
l-d-r | x | x | 1.613 s +- 0.009 s | 1.630 s +- 0.017 s | 101.1%
Differential Revision: https://phab.mercurial-scm.org/D4587
author | spectral <spectral@google.com> |
---|---|
date | Thu, 13 Sep 2018 22:48:27 -0700 |
parents | 761355833867 |
children | d86908050375 |
rev | line source |
---|---|
29693
b9b9f9a92481
mpatch: split mpatch into two files
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff
changeset
|
1 #ifndef _HG_MPATCH_H_ |
b9b9f9a92481
mpatch: split mpatch into two files
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff
changeset
|
2 #define _HG_MPATCH_H_ |
b9b9f9a92481
mpatch: split mpatch into two files
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff
changeset
|
3 |
29694
55dd12204b8e
mpatch: remove dependency on Python.h in mpatch.c
Maciej Fijalkowski <fijall@gmail.com>
parents:
29693
diff
changeset
|
4 #define MPATCH_ERR_NO_MEM -3 |
55dd12204b8e
mpatch: remove dependency on Python.h in mpatch.c
Maciej Fijalkowski <fijall@gmail.com>
parents:
29693
diff
changeset
|
5 #define MPATCH_ERR_CANNOT_BE_DECODED -2 |
55dd12204b8e
mpatch: remove dependency on Python.h in mpatch.c
Maciej Fijalkowski <fijall@gmail.com>
parents:
29693
diff
changeset
|
6 #define MPATCH_ERR_INVALID_PATCH -1 |
55dd12204b8e
mpatch: remove dependency on Python.h in mpatch.c
Maciej Fijalkowski <fijall@gmail.com>
parents:
29693
diff
changeset
|
7 |
29693
b9b9f9a92481
mpatch: split mpatch into two files
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff
changeset
|
8 struct mpatch_frag { |
b9b9f9a92481
mpatch: split mpatch into two files
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff
changeset
|
9 int start, end, len; |
b9b9f9a92481
mpatch: split mpatch into two files
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff
changeset
|
10 const char *data; |
b9b9f9a92481
mpatch: split mpatch into two files
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff
changeset
|
11 }; |
b9b9f9a92481
mpatch: split mpatch into two files
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff
changeset
|
12 |
b9b9f9a92481
mpatch: split mpatch into two files
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff
changeset
|
13 struct mpatch_flist { |
b9b9f9a92481
mpatch: split mpatch into two files
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff
changeset
|
14 struct mpatch_frag *base, *head, *tail; |
b9b9f9a92481
mpatch: split mpatch into two files
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff
changeset
|
15 }; |
b9b9f9a92481
mpatch: split mpatch into two files
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff
changeset
|
16 |
34800
761355833867
mpatch: reformat function prototypes with clang-format
Augie Fackler <augie@google.com>
parents:
29749
diff
changeset
|
17 int mpatch_decode(const char *bin, ssize_t len, struct mpatch_flist **res); |
29693
b9b9f9a92481
mpatch: split mpatch into two files
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff
changeset
|
18 ssize_t mpatch_calcsize(ssize_t len, struct mpatch_flist *l); |
b9b9f9a92481
mpatch: split mpatch into two files
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff
changeset
|
19 void mpatch_lfree(struct mpatch_flist *a); |
b9b9f9a92481
mpatch: split mpatch into two files
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff
changeset
|
20 int mpatch_apply(char *buf, const char *orig, ssize_t len, |
34800
761355833867
mpatch: reformat function prototypes with clang-format
Augie Fackler <augie@google.com>
parents:
29749
diff
changeset
|
21 struct mpatch_flist *l); |
761355833867
mpatch: reformat function prototypes with clang-format
Augie Fackler <augie@google.com>
parents:
29749
diff
changeset
|
22 struct mpatch_flist * |
761355833867
mpatch: reformat function prototypes with clang-format
Augie Fackler <augie@google.com>
parents:
29749
diff
changeset
|
23 mpatch_fold(void *bins, struct mpatch_flist *(*get_next_item)(void *, ssize_t), |
761355833867
mpatch: reformat function prototypes with clang-format
Augie Fackler <augie@google.com>
parents:
29749
diff
changeset
|
24 ssize_t start, ssize_t end); |
29693
b9b9f9a92481
mpatch: split mpatch into two files
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff
changeset
|
25 |
b9b9f9a92481
mpatch: split mpatch into two files
Maciej Fijalkowski <fijall@gmail.com>
parents:
diff
changeset
|
26 #endif |