Mercurial > hg
annotate mercurial/progress.py @ 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 | b34d0a6ef936 |
children | 6603de284b0a |
rev | line source |
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1 # progress.py progress bars related code |
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2 # |
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3 # Copyright (C) 2010 Augie Fackler <durin42@gmail.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
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6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import errno |
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11 import threading |
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12 import time |
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13 |
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14 from .i18n import _ |
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15 from . import encoding |
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16 |
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17 def spacejoin(*args): |
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18 return ' '.join(s for s in args if s) |
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19 |
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20 def shouldprint(ui): |
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21 return not (ui.quiet or ui.plain('progress')) and ( |
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22 ui._isatty(ui.ferr) or ui.configbool('progress', 'assume-tty')) |
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23 |
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24 def fmtremaining(seconds): |
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25 """format a number of remaining seconds in human readable way |
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26 |
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27 This will properly display seconds, minutes, hours, days if needed""" |
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28 if seconds < 60: |
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29 # i18n: format XX seconds as "XXs" |
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30 return _("%02ds") % (seconds) |
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31 minutes = seconds // 60 |
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32 if minutes < 60: |
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33 seconds -= minutes * 60 |
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34 # i18n: format X minutes and YY seconds as "XmYYs" |
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35 return _("%dm%02ds") % (minutes, seconds) |
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36 # we're going to ignore seconds in this case |
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37 minutes += 1 |
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38 hours = minutes // 60 |
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39 minutes -= hours * 60 |
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40 if hours < 30: |
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41 # i18n: format X hours and YY minutes as "XhYYm" |
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42 return _("%dh%02dm") % (hours, minutes) |
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43 # we're going to ignore minutes in this case |
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44 hours += 1 |
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45 days = hours // 24 |
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46 hours -= days * 24 |
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47 if days < 15: |
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48 # i18n: format X days and YY hours as "XdYYh" |
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49 return _("%dd%02dh") % (days, hours) |
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50 # we're going to ignore hours in this case |
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51 days += 1 |
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52 weeks = days // 7 |
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53 days -= weeks * 7 |
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54 if weeks < 55: |
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55 # i18n: format X weeks and YY days as "XwYYd" |
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56 return _("%dw%02dd") % (weeks, days) |
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57 # we're going to ignore days and treat a year as 52 weeks |
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58 weeks += 1 |
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59 years = weeks // 52 |
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60 weeks -= years * 52 |
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61 # i18n: format X years and YY weeks as "XyYYw" |
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62 return _("%dy%02dw") % (years, weeks) |
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63 |
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64 # file_write() and file_flush() of Python 2 do not restart on EINTR if |
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65 # the file is attached to a "slow" device (e.g. a terminal) and raise |
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66 # IOError. We cannot know how many bytes would be written by file_write(), |
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67 # but a progress text is known to be short enough to be written by a |
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68 # single write() syscall, so we can just retry file_write() with the whole |
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69 # text. (issue5532) |
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70 # |
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71 # This should be a short-term workaround. We'll need to fix every occurrence |
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72 # of write() to a terminal or pipe. |
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73 def _eintrretry(func, *args): |
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74 while True: |
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75 try: |
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76 return func(*args) |
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77 except IOError as err: |
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78 if err.errno == errno.EINTR: |
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79 continue |
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80 raise |
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81 |
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82 class progbar(object): |
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83 def __init__(self, ui): |
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84 self.ui = ui |
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85 self._refreshlock = threading.Lock() |
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86 self.resetstate() |
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87 |
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88 def resetstate(self): |
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89 self.topics = [] |
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90 self.topicstates = {} |
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91 self.starttimes = {} |
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92 self.startvals = {} |
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93 self.printed = False |
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94 self.lastprint = time.time() + float(self.ui.config( |
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95 'progress', 'delay')) |
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96 self.curtopic = None |
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97 self.lasttopic = None |
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98 self.indetcount = 0 |
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99 self.refresh = float(self.ui.config( |
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100 'progress', 'refresh')) |
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101 self.changedelay = max(3 * self.refresh, |
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102 float(self.ui.config( |
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103 'progress', 'changedelay'))) |
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104 self.order = self.ui.configlist('progress', 'format') |
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105 self.estimateinterval = self.ui.configwith( |
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106 float, 'progress', 'estimateinterval') |
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107 |
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108 def show(self, now, topic, pos, item, unit, total): |
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109 if not shouldprint(self.ui): |
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110 return |
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111 termwidth = self.width() |
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112 self.printed = True |
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113 head = '' |
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114 needprogress = False |
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115 tail = '' |
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116 for indicator in self.order: |
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117 add = '' |
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118 if indicator == 'topic': |
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119 add = topic |
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120 elif indicator == 'number': |
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121 if total: |
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122 add = b'%*d/%d' % (len(str(total)), pos, total) |
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123 else: |
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124 add = b'%d' % pos |
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125 elif indicator.startswith('item') and item: |
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126 slice = 'end' |
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127 if '-' in indicator: |
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128 wid = int(indicator.split('-')[1]) |
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129 elif '+' in indicator: |
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130 slice = 'beginning' |
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131 wid = int(indicator.split('+')[1]) |
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132 else: |
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133 wid = 20 |
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134 if slice == 'end': |
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135 add = encoding.trim(item, wid, leftside=True) |
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136 else: |
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137 add = encoding.trim(item, wid) |
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138 add += (wid - encoding.colwidth(add)) * ' ' |
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139 elif indicator == 'bar': |
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140 add = '' |
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141 needprogress = True |
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142 elif indicator == 'unit' and unit: |
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143 add = unit |
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144 elif indicator == 'estimate': |
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145 add = self.estimate(topic, pos, total, now) |
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146 elif indicator == 'speed': |
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147 add = self.speed(topic, pos, unit, now) |
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148 if not needprogress: |
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149 head = spacejoin(head, add) |
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150 else: |
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151 tail = spacejoin(tail, add) |
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152 if needprogress: |
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153 used = 0 |
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154 if head: |
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155 used += encoding.colwidth(head) + 1 |
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156 if tail: |
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157 used += encoding.colwidth(tail) + 1 |
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158 progwidth = termwidth - used - 3 |
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159 if total and pos <= total: |
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160 amt = pos * progwidth // total |
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161 bar = '=' * (amt - 1) |
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162 if amt > 0: |
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163 bar += '>' |
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164 bar += ' ' * (progwidth - amt) |
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165 else: |
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166 progwidth -= 3 |
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167 self.indetcount += 1 |
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168 # mod the count by twice the width so we can make the |
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169 # cursor bounce between the right and left sides |
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170 amt = self.indetcount % (2 * progwidth) |
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171 amt -= progwidth |
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172 bar = (' ' * int(progwidth - abs(amt)) + '<=>' + |
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173 ' ' * int(abs(amt))) |
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174 prog = ''.join(('[', bar, ']')) |
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175 out = spacejoin(head, prog, tail) |
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176 else: |
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177 out = spacejoin(head, tail) |
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178 self._writeerr('\r' + encoding.trim(out, termwidth)) |
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179 self.lasttopic = topic |
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180 self._flusherr() |
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181 |
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182 def clear(self): |
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183 if not self.printed or not self.lastprint or not shouldprint(self.ui): |
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184 return |
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185 self._writeerr('\r%s\r' % (' ' * self.width())) |
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186 if self.printed: |
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187 # force immediate re-paint of progress bar |
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188 self.lastprint = 0 |
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189 |
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190 def complete(self): |
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191 if not shouldprint(self.ui): |
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192 return |
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193 if self.ui.configbool('progress', 'clear-complete'): |
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194 self.clear() |
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195 else: |
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196 self._writeerr('\n') |
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197 self._flusherr() |
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198 |
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199 def _flusherr(self): |
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200 _eintrretry(self.ui.ferr.flush) |
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201 |
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202 def _writeerr(self, msg): |
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203 _eintrretry(self.ui.ferr.write, msg) |
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204 |
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205 def width(self): |
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206 tw = self.ui.termwidth() |
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207 return min(int(self.ui.config('progress', 'width', default=tw)), tw) |
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208 |
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209 def estimate(self, topic, pos, total, now): |
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210 if total is None: |
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211 return '' |
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212 initialpos = self.startvals[topic] |
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213 target = total - initialpos |
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214 delta = pos - initialpos |
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215 if delta > 0: |
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216 elapsed = now - self.starttimes[topic] |
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217 seconds = (elapsed * (target - delta)) // delta + 1 |
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218 return fmtremaining(seconds) |
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219 return '' |
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220 |
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221 def speed(self, topic, pos, unit, now): |
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222 initialpos = self.startvals[topic] |
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223 delta = pos - initialpos |
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224 elapsed = now - self.starttimes[topic] |
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225 if elapsed > 0: |
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226 return _('%d %s/sec') % (delta / elapsed, unit) |
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227 return '' |
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228 |
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229 def _oktoprint(self, now): |
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230 '''Check if conditions are met to print - e.g. changedelay elapsed''' |
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231 if (self.lasttopic is None # first time we printed |
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232 # not a topic change |
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233 or self.curtopic == self.lasttopic |
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234 # it's been long enough we should print anyway |
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235 or now - self.lastprint >= self.changedelay): |
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236 return True |
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237 else: |
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238 return False |
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239 |
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240 def _calibrateestimate(self, topic, now, pos): |
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241 '''Adjust starttimes and startvals for topic so ETA works better |
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242 |
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243 If progress is non-linear (ex. get much slower in the last minute), |
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244 it's more friendly to only use a recent time span for ETA and speed |
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245 calculation. |
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246 |
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247 [======================================> ] |
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248 ^^^^^^^ |
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249 estimateinterval, only use this for estimation |
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250 ''' |
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251 interval = self.estimateinterval |
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252 if interval <= 0: |
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253 return |
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254 elapsed = now - self.starttimes[topic] |
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255 if elapsed > interval: |
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256 delta = pos - self.startvals[topic] |
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257 newdelta = delta * interval / elapsed |
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258 # If a stall happens temporarily, ETA could change dramatically |
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259 # frequently. This is to avoid such dramatical change and make ETA |
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260 # smoother. |
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261 if newdelta < 0.1: |
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262 return |
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263 self.startvals[topic] = pos - newdelta |
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264 self.starttimes[topic] = now - interval |
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265 |
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266 def progress(self, topic, pos, item='', unit='', total=None): |
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267 if pos is None: |
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268 self.closetopic(topic) |
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269 return |
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270 now = time.time() |
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271 with self._refreshlock: |
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272 if topic not in self.topics: |
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273 self.starttimes[topic] = now |
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274 self.startvals[topic] = pos |
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275 self.topics.append(topic) |
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276 self.topicstates[topic] = pos, item, unit, total |
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277 self.curtopic = topic |
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278 self._calibrateestimate(topic, now, pos) |
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279 if now - self.lastprint >= self.refresh and self.topics: |
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280 if self._oktoprint(now): |
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281 self.lastprint = now |
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282 self.show(now, topic, *self.topicstates[topic]) |
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283 |
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284 def closetopic(self, topic): |
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285 with self._refreshlock: |
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286 self.starttimes.pop(topic, None) |
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287 self.startvals.pop(topic, None) |
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288 self.topicstates.pop(topic, None) |
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289 # reset the progress bar if this is the outermost topic |
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290 if self.topics and self.topics[0] == topic and self.printed: |
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291 self.complete() |
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292 self.resetstate() |
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293 # truncate the list of topics assuming all topics within |
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294 # this one are also closed |
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295 if topic in self.topics: |
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296 self.topics = self.topics[:self.topics.index(topic)] |
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297 # reset the last topic to the one we just unwound to, |
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298 # so that higher-level topics will be stickier than |
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299 # lower-level topics |
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300 if self.topics: |
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301 self.lasttopic = self.topics[-1] |
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302 else: |
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parents:
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303 self.lasttopic = None |