Mercurial > hg
annotate mercurial/__init__.py @ 45515:89f0d9f87701
branchmap: add a cache validation cache, avoid expensive re-hash on every use
In a pathological `hg log` case, we end up executing the branchmap validity
checking twice per commit displayed. Or maybe we always do, and I just noticed
because it's really slow in this repo for some reason.
Before:
```
Time (mean ± σ): 9.816 s ± 0.071 s [User: 9.435 s, System: 0.392 s]
Range (min … max): 9.709 s … 9.920 s
```
After:
```
Time (mean ± σ): 8.671 s ± 0.078 s [User: 8.309 s, System: 0.392 s]
Range (min … max): 8.594 s … 8.816 s
```
Differential Revision: https://phab.mercurial-scm.org/D9023
author | Kyle Lippincott <spectral@google.com> |
---|---|
date | Wed, 16 Sep 2020 12:13:46 -0700 |
parents | d783f945a701 |
children | 6000f5b25c9b |
rev | line source |
---|---|
27220
4374d819ccd5
mercurial: implement import hook for handling C/Python modules
Gregory Szorc <gregory.szorc@gmail.com>
parents:
0
diff
changeset
|
1 # __init__.py - Startup and module loading logic for Mercurial. |
4374d819ccd5
mercurial: implement import hook for handling C/Python modules
Gregory Szorc <gregory.szorc@gmail.com>
parents:
0
diff
changeset
|
2 # |
4374d819ccd5
mercurial: implement import hook for handling C/Python modules
Gregory Szorc <gregory.szorc@gmail.com>
parents:
0
diff
changeset
|
3 # Copyright 2015 Gregory Szorc <gregory.szorc@gmail.com> |
4374d819ccd5
mercurial: implement import hook for handling C/Python modules
Gregory Szorc <gregory.szorc@gmail.com>
parents:
0
diff
changeset
|
4 # |
4374d819ccd5
mercurial: implement import hook for handling C/Python modules
Gregory Szorc <gregory.szorc@gmail.com>
parents:
0
diff
changeset
|
5 # This software may be used and distributed according to the terms of the |
4374d819ccd5
mercurial: implement import hook for handling C/Python modules
Gregory Szorc <gregory.szorc@gmail.com>
parents:
0
diff
changeset
|
6 # GNU General Public License version 2 or any later version. |
4374d819ccd5
mercurial: implement import hook for handling C/Python modules
Gregory Szorc <gregory.szorc@gmail.com>
parents:
0
diff
changeset
|
7 |
4374d819ccd5
mercurial: implement import hook for handling C/Python modules
Gregory Szorc <gregory.szorc@gmail.com>
parents:
0
diff
changeset
|
8 from __future__ import absolute_import |
4374d819ccd5
mercurial: implement import hook for handling C/Python modules
Gregory Szorc <gregory.szorc@gmail.com>
parents:
0
diff
changeset
|
9 |
32420
0906b85bf222
demandimport: move to separate package
Siddharth Agarwal <sid0@fb.com>
parents:
32373
diff
changeset
|
10 # Allow 'from mercurial import demandimport' to keep working. |
0906b85bf222
demandimport: move to separate package
Siddharth Agarwal <sid0@fb.com>
parents:
32373
diff
changeset
|
11 import hgdemandimport |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
42603
diff
changeset
|
12 |
32420
0906b85bf222
demandimport: move to separate package
Siddharth Agarwal <sid0@fb.com>
parents:
32373
diff
changeset
|
13 demandimport = hgdemandimport |