Mercurial > hg
annotate tests/test-help-hide.t @ 44363:f7459da77f23
nodemap: introduce an option to use mmap to read the nodemap mapping
The performance and memory benefit is much greater if we don't have to copy all
the data in memory for each information. So we introduce an option (on by
default) to read the data using mmap.
This changeset is the last one definition the API for index support nodemap
data. (they have to be able to use the mmaping).
Below are some benchmark comparing the best we currently have in 5.3 with the
final step of this series (using the persistent nodemap implementation in
Rust). The benchmark run `hg perfindex` with various revset and the following
variants:
Before:
* do not use the persistent nodemap
* use the CPython implementation of the index for nodemap
* use mmapping of the changelog index
After:
* use the MixedIndex Rust code, with the NodeTree object for nodemap access
(still in review)
* use the persistent nodemap data from disk
* access the persistent nodemap data through mmap
* use mmapping of the changelog index
The persistent nodemap greatly speed up most operation on very large
repositories. Some of the previously very fast lookup end up a bit slower because
the persistent nodemap has to be setup. However the absolute slowdown is very
small and won't matters in the big picture.
Here are some numbers (in seconds) for the reference copy of mozilla-try:
Revset Before After abs-change speedup
-10000: 0.004622 0.005532 0.000910 × 0.83
-10: 0.000050 0.000132 0.000082 × 0.37
tip 0.000052 0.000085 0.000033 × 0.61
0 + (-10000:) 0.028222 0.005337 -0.022885 × 5.29
0 0.023521 0.000084 -0.023437 × 280.01
(-10000:) + 0 0.235539 0.005308 -0.230231 × 44.37
(-10:) + :9 0.232883 0.000180 -0.232703 ×1293.79
(-10000:) + (:99) 0.238735 0.005358 -0.233377 × 44.55
:99 + (-10000:) 0.317942 0.005593 -0.312349 × 56.84
:9 + (-10:) 0.313372 0.000179 -0.313193 ×1750.68
:9 0.316450 0.000143 -0.316307 ×2212.93
On smaller repositories, the cost of nodemap related operation is not as big, so
the win is much more modest. Yet it helps shaving a handful of millisecond here
and there.
Here are some numbers (in seconds) for the reference copy of mercurial:
Revset Before After abs-change speedup
-10: 0.000065 0.000097 0.000032 × 0.67
tip 0.000063 0.000078 0.000015 × 0.80
0 0.000561 0.000079 -0.000482 × 7.10
-10000: 0.004609 0.003648 -0.000961 × 1.26
0 + (-10000:) 0.005023 0.003715 -0.001307 × 1.35
(-10:) + :9 0.002187 0.000108 -0.002079 ×20.25
(-10000:) + 0 0.006252 0.003716 -0.002536 × 1.68
(-10000:) + (:99) 0.006367 0.003707 -0.002660 × 1.71
:9 + (-10:) 0.003846 0.000110 -0.003736 ×34.96
:9 0.003854 0.000099 -0.003755 ×38.92
:99 + (-10000:) 0.007644 0.003778 -0.003866 × 2.02
Differential Revision: https://phab.mercurial-scm.org/D7894
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
---|---|
date | Tue, 11 Feb 2020 11:18:52 +0100 |
parents | d782cce137fd |
children | bb3a5c0df06b |
rev | line source |
---|---|
40412 | 1 Test hiding some commands (which also happens to hide an entire category). |
2 | |
3 $ hg --config help.hidden-command.clone=true \ | |
4 > --config help.hidden-command.init=true help | |
5 Mercurial Distributed SCM | |
6 | |
7 list of commands: | |
8 | |
9 Remote repository management: | |
10 | |
11 incoming show new changesets found in source | |
12 outgoing show changesets not found in the destination | |
13 paths show aliases for remote repositories | |
14 pull pull changes from the specified source | |
15 push push changes to the specified destination | |
16 serve start stand-alone webserver | |
17 | |
18 Change creation: | |
19 | |
20 commit commit the specified files or all outstanding changes | |
21 | |
22 Change manipulation: | |
23 | |
24 backout reverse effect of earlier changeset | |
25 graft copy changes from other branches onto the current branch | |
26 merge merge another revision into working directory | |
27 | |
28 Change organization: | |
29 | |
30 bookmarks create a new bookmark or list existing bookmarks | |
31 branch set or show the current branch name | |
32 branches list repository named branches | |
33 phase set or show the current phase name | |
34 tag add one or more tags for the current or given revision | |
35 tags list repository tags | |
36 | |
37 File content management: | |
38 | |
39 annotate show changeset information by line for each file | |
40 cat output the current or given revision of files | |
41 copy mark files as copied for the next commit | |
42 diff diff repository (or selected files) | |
43305
d782cce137fd
grep: update docs to reflect new --all-files default
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
42541
diff
changeset
|
43 grep search for a pattern in specified files |
40412 | 44 |
45 Change navigation: | |
46 | |
47 bisect subdivision search of changesets | |
48 heads show branch heads | |
49 identify identify the working directory or specified revision | |
50 log show revision history of entire repository or files | |
51 | |
52 Working directory management: | |
53 | |
54 add add the specified files on the next commit | |
55 addremove add all new files, delete all missing files | |
56 files list tracked files | |
57 forget forget the specified files on the next commit | |
58 remove remove the specified files on the next commit | |
59 rename rename files; equivalent of copy + remove | |
60 resolve redo merges or set/view the merge status of files | |
61 revert restore files to their checkout state | |
62 root print the root (top) of the current working directory | |
42541
3de4f17f4824
shelve: move shelve extension to core
Navaneeth Suresh <navaneeths1998@gmail.com>
parents:
40413
diff
changeset
|
63 shelve save and set aside changes from the working directory |
40412 | 64 status show changed files in the working directory |
65 summary summarize working directory state | |
42541
3de4f17f4824
shelve: move shelve extension to core
Navaneeth Suresh <navaneeths1998@gmail.com>
parents:
40413
diff
changeset
|
66 unshelve restore a shelved change to the working directory |
40412 | 67 update update working directory (or switch revisions) |
68 | |
69 Change import/export: | |
70 | |
71 archive create an unversioned archive of a repository revision | |
72 bundle create a bundle file | |
73 export dump the header and diffs for one or more changesets | |
74 import import an ordered set of patches | |
75 unbundle apply one or more bundle files | |
76 | |
77 Repository maintenance: | |
78 | |
79 manifest output the current or given revision of the project manifest | |
80 recover roll back an interrupted transaction | |
81 verify verify the integrity of the repository | |
82 | |
83 Help: | |
84 | |
85 config show combined config settings from all hgrc files | |
86 help show help for a given topic or a help overview | |
87 version output version and copyright information | |
88 | |
89 additional help topics: | |
90 | |
91 Mercurial identifiers: | |
92 | |
93 filesets Specifying File Sets | |
94 hgignore Syntax for Mercurial Ignore Files | |
95 patterns File Name Patterns | |
96 revisions Specifying Revisions | |
97 urls URL Paths | |
98 | |
99 Mercurial output: | |
100 | |
101 color Colorizing Outputs | |
102 dates Date Formats | |
103 diffs Diff Formats | |
104 templating Template Usage | |
105 | |
106 Mercurial configuration: | |
107 | |
108 config Configuration Files | |
109 environment Environment Variables | |
110 extensions Using Additional Features | |
111 flags Command-line flags | |
112 hgweb Configuring hgweb | |
113 merge-tools Merge Tools | |
114 pager Pager Support | |
115 | |
116 Concepts: | |
117 | |
118 bundlespec Bundle File Formats | |
119 glossary Glossary | |
120 phases Working with Phases | |
121 subrepos Subrepositories | |
122 | |
123 Miscellaneous: | |
124 | |
125 deprecated Deprecated Features | |
126 internals Technical implementation topics | |
127 scripting Using Mercurial from scripts and automation | |
128 | |
129 (use 'hg help -v' to show built-in aliases and global options) | |
40413 | 130 |
131 Test hiding some topics. | |
132 | |
133 $ hg --config help.hidden-topic.deprecated=true \ | |
134 > --config help.hidden-topic.internals=true \ | |
135 > --config help.hidden-topic.scripting=true help | |
136 Mercurial Distributed SCM | |
137 | |
138 list of commands: | |
139 | |
140 Repository creation: | |
141 | |
142 clone make a copy of an existing repository | |
143 init create a new repository in the given directory | |
144 | |
145 Remote repository management: | |
146 | |
147 incoming show new changesets found in source | |
148 outgoing show changesets not found in the destination | |
149 paths show aliases for remote repositories | |
150 pull pull changes from the specified source | |
151 push push changes to the specified destination | |
152 serve start stand-alone webserver | |
153 | |
154 Change creation: | |
155 | |
156 commit commit the specified files or all outstanding changes | |
157 | |
158 Change manipulation: | |
159 | |
160 backout reverse effect of earlier changeset | |
161 graft copy changes from other branches onto the current branch | |
162 merge merge another revision into working directory | |
163 | |
164 Change organization: | |
165 | |
166 bookmarks create a new bookmark or list existing bookmarks | |
167 branch set or show the current branch name | |
168 branches list repository named branches | |
169 phase set or show the current phase name | |
170 tag add one or more tags for the current or given revision | |
171 tags list repository tags | |
172 | |
173 File content management: | |
174 | |
175 annotate show changeset information by line for each file | |
176 cat output the current or given revision of files | |
177 copy mark files as copied for the next commit | |
178 diff diff repository (or selected files) | |
43305
d782cce137fd
grep: update docs to reflect new --all-files default
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents:
42541
diff
changeset
|
179 grep search for a pattern in specified files |
40413 | 180 |
181 Change navigation: | |
182 | |
183 bisect subdivision search of changesets | |
184 heads show branch heads | |
185 identify identify the working directory or specified revision | |
186 log show revision history of entire repository or files | |
187 | |
188 Working directory management: | |
189 | |
190 add add the specified files on the next commit | |
191 addremove add all new files, delete all missing files | |
192 files list tracked files | |
193 forget forget the specified files on the next commit | |
194 remove remove the specified files on the next commit | |
195 rename rename files; equivalent of copy + remove | |
196 resolve redo merges or set/view the merge status of files | |
197 revert restore files to their checkout state | |
198 root print the root (top) of the current working directory | |
42541
3de4f17f4824
shelve: move shelve extension to core
Navaneeth Suresh <navaneeths1998@gmail.com>
parents:
40413
diff
changeset
|
199 shelve save and set aside changes from the working directory |
40413 | 200 status show changed files in the working directory |
201 summary summarize working directory state | |
42541
3de4f17f4824
shelve: move shelve extension to core
Navaneeth Suresh <navaneeths1998@gmail.com>
parents:
40413
diff
changeset
|
202 unshelve restore a shelved change to the working directory |
40413 | 203 update update working directory (or switch revisions) |
204 | |
205 Change import/export: | |
206 | |
207 archive create an unversioned archive of a repository revision | |
208 bundle create a bundle file | |
209 export dump the header and diffs for one or more changesets | |
210 import import an ordered set of patches | |
211 unbundle apply one or more bundle files | |
212 | |
213 Repository maintenance: | |
214 | |
215 manifest output the current or given revision of the project manifest | |
216 recover roll back an interrupted transaction | |
217 verify verify the integrity of the repository | |
218 | |
219 Help: | |
220 | |
221 config show combined config settings from all hgrc files | |
222 help show help for a given topic or a help overview | |
223 version output version and copyright information | |
224 | |
225 additional help topics: | |
226 | |
227 Mercurial identifiers: | |
228 | |
229 filesets Specifying File Sets | |
230 hgignore Syntax for Mercurial Ignore Files | |
231 patterns File Name Patterns | |
232 revisions Specifying Revisions | |
233 urls URL Paths | |
234 | |
235 Mercurial output: | |
236 | |
237 color Colorizing Outputs | |
238 dates Date Formats | |
239 diffs Diff Formats | |
240 templating Template Usage | |
241 | |
242 Mercurial configuration: | |
243 | |
244 config Configuration Files | |
245 environment Environment Variables | |
246 extensions Using Additional Features | |
247 flags Command-line flags | |
248 hgweb Configuring hgweb | |
249 merge-tools Merge Tools | |
250 pager Pager Support | |
251 | |
252 Concepts: | |
253 | |
254 bundlespec Bundle File Formats | |
255 glossary Glossary | |
256 phases Working with Phases | |
257 subrepos Subrepositories | |
258 | |
259 (use 'hg help -v' to show built-in aliases and global options) |