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annotate contrib/perf.py @ 18817:c760acc6f69d

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perf: add a command to measure merge.calculateupdates perf The performance of merge.manifestmerge will be improved in upcoming patches. This command will be used to demonstrate the improvement.
author Siddharth Agarwal <sid0@fb.com>
date Sun, 24 Mar 2013 17:06:10 -0700
parents 3e92772d5383
children 70000d0c44f5
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1 # perf.py - performance test routines
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2 '''helper extension to measure performance'''
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3
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4 from mercurial import cmdutil, scmutil, util, match, commands, obsolete
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5 from mercurial import repoview, branchmap, merge
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6 import time, os, sys
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7
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8 cmdtable = {}
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9 command = cmdutil.command(cmdtable)
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10
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11 def timer(func, title=None):
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12 results = []
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13 begin = time.time()
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14 count = 0
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15 while True:
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16 ostart = os.times()
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17 cstart = time.time()
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18 r = func()
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19 cstop = time.time()
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20 ostop = os.times()
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21 count += 1
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22 a, b = ostart, ostop
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23 results.append((cstop - cstart, b[0] - a[0], b[1]-a[1]))
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24 if cstop - begin > 3 and count >= 100:
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25 break
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26 if cstop - begin > 10 and count >= 3:
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27 break
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28 if title:
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29 sys.stderr.write("! %s\n" % title)
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30 if r:
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31 sys.stderr.write("! result: %s\n" % r)
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32 m = min(results)
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33 sys.stderr.write("! wall %f comb %f user %f sys %f (best of %d)\n"
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34 % (m[0], m[1] + m[2], m[1], m[2], count))
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35
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36 @command('perfwalk')
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37 def perfwalk(ui, repo, *pats):
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38 try:
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39 m = scmutil.match(repo[None], pats, {})
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40 timer(lambda: len(list(repo.dirstate.walk(m, [], True, False))))
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41 except Exception:
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42 try:
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43 m = scmutil.match(repo[None], pats, {})
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44 timer(lambda: len([b for a, b, c in repo.dirstate.statwalk([], m)]))
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45 except Exception:
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46 timer(lambda: len(list(cmdutil.walk(repo, pats, {}))))
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47
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48 @command('perfstatus',
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49 [('u', 'unknown', False,
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50 'ask status to look for unknown files')])
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51 def perfstatus(ui, repo, **opts):
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52 #m = match.always(repo.root, repo.getcwd())
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53 #timer(lambda: sum(map(len, repo.dirstate.status(m, [], False, False,
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54 # False))))
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55 timer(lambda: sum(map(len, repo.status(**opts))))
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56
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57 def clearcaches(cl):
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58 # behave somewhat consistently across internal API changes
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59 if util.safehasattr(cl, 'clearcaches'):
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60 cl.clearcaches()
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61 elif util.safehasattr(cl, '_nodecache'):
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62 from mercurial.node import nullid, nullrev
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63 cl._nodecache = {nullid: nullrev}
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64 cl._nodepos = None
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65
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66 @command('perfheads')
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67 def perfheads(ui, repo):
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68 cl = repo.changelog
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69 def d():
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70 len(cl.headrevs())
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71 clearcaches(cl)
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72 timer(d)
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73
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74 @command('perftags')
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75 def perftags(ui, repo):
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76 import mercurial.changelog, mercurial.manifest
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77 def t():
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78 repo.changelog = mercurial.changelog.changelog(repo.sopener)
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79 repo.manifest = mercurial.manifest.manifest(repo.sopener)
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80 repo._tags = None
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81 return len(repo.tags())
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82 timer(t)
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83
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84 @command('perfancestors')
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85 def perfancestors(ui, repo):
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86 heads = repo.changelog.headrevs()
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87 def d():
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88 for a in repo.changelog.ancestors(heads):
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89 pass
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90 timer(d)
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91
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92 @command('perfancestorset')
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93 def perfancestorset(ui, repo, revset):
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94 revs = repo.revs(revset)
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95 heads = repo.changelog.headrevs()
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96 def d():
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97 s = repo.changelog.ancestors(heads)
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98 for rev in revs:
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99 rev in s
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100 timer(d)
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101
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102 @command('perfdirstate')
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103 def perfdirstate(ui, repo):
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104 "a" in repo.dirstate
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105 def d():
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106 repo.dirstate.invalidate()
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107 "a" in repo.dirstate
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108 timer(d)
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109
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110 @command('perfdirstatedirs')
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111 def perfdirstatedirs(ui, repo):
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112 "a" in repo.dirstate
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113 def d():
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114 "a" in repo.dirstate._dirs
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115 del repo.dirstate._dirs
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116 timer(d)
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117
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118 @command('perfdirstatewrite')
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119 def perfdirstatewrite(ui, repo):
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120 ds = repo.dirstate
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121 "a" in ds
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122 def d():
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123 ds._dirty = True
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124 ds.write()
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125 timer(d)
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126
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127 @command('perfmergecalculate',
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128 [('r', 'rev', '.', 'rev to merge against')])
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129 def perfmergecalculate(ui, repo, rev):
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130 wctx = repo[None]
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131 rctx = scmutil.revsingle(repo, rev, rev)
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132 ancestor = wctx.ancestor(rctx)
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133 # we don't want working dir files to be stat'd in the benchmark, so prime
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134 # that cache
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135 wctx.dirty()
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136 def d():
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137 # acceptremote is True because we don't want prompts in the middle of
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138 # our benchmark
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139 merge.calculateupdates(repo, wctx, rctx, ancestor, False, False, False,
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140 acceptremote=True)
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141 timer(d)
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142
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143 @command('perfmanifest')
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144 def perfmanifest(ui, repo):
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145 def d():
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146 t = repo.manifest.tip()
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147 m = repo.manifest.read(t)
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148 repo.manifest.mapcache = None
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149 repo.manifest._cache = None
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150 timer(d)
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151
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152 @command('perfchangeset')
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153 def perfchangeset(ui, repo, rev):
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154 n = repo[rev].node()
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155 def d():
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156 c = repo.changelog.read(n)
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157 #repo.changelog._cache = None
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158 timer(d)
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159
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160 @command('perfindex')
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161 def perfindex(ui, repo):
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162 import mercurial.revlog
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163 mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg
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164 n = repo["tip"].node()
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165 def d():
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166 cl = mercurial.revlog.revlog(repo.sopener, "00changelog.i")
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167 cl.rev(n)
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168 timer(d)
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169
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170 @command('perfstartup')
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171 def perfstartup(ui, repo):
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172 cmd = sys.argv[0]
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173 def d():
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174 os.system("HGRCPATH= %s version -q > /dev/null" % cmd)
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175 timer(d)
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176
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177 @command('perfparents')
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178 def perfparents(ui, repo):
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179 nl = [repo.changelog.node(i) for i in xrange(1000)]
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180 def d():
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181 for n in nl:
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182 repo.changelog.parents(n)
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183 timer(d)
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184
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185 @command('perflookup')
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186 def perflookup(ui, repo, rev):
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187 timer(lambda: len(repo.lookup(rev)))
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188
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189 @command('perfrevrange')
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190 def perfrevrange(ui, repo, *specs):
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191 revrange = scmutil.revrange
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192 timer(lambda: len(revrange(repo, specs)))
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193
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194 @command('perfnodelookup')
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195 def perfnodelookup(ui, repo, rev):
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196 import mercurial.revlog
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197 mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg
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198 n = repo[rev].node()
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199 cl = mercurial.revlog.revlog(repo.sopener, "00changelog.i")
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diff changeset
200 def d():
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diff changeset
201 cl.rev(n)
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1dc08dc63c09 perf: rework perfheads and perftags to clear caches
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parents: 16689
diff changeset
202 clearcaches(cl)
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diff changeset
203 timer(d)
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204
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diff changeset
205 @command('perflog',
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diff changeset
206 [('', 'rename', False, 'ask log to follow renames')])
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diff changeset
207 def perflog(ui, repo, **opts):
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208 ui.pushbuffer()
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209 timer(lambda: commands.log(ui, repo, rev=[], date='', user='',
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diff changeset
210 copies=opts.get('rename')))
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diff changeset
211 ui.popbuffer()
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212
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diff changeset
213 @command('perftemplating')
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214 def perftemplating(ui, repo):
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215 ui.pushbuffer()
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diff changeset
216 timer(lambda: commands.log(ui, repo, rev=[], date='', user='',
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217 template='{date|shortdate} [{rev}:{node|short}]'
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diff changeset
218 ' {author|person}: {desc|firstline}\n'))
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diff changeset
219 ui.popbuffer()
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220
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diff changeset
221 @command('perfcca')
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222 def perfcca(ui, repo):
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223 timer(lambda: scmutil.casecollisionauditor(ui, False, repo.dirstate))
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224
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225 @command('perffncacheload')
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diff changeset
226 def perffncacheload(ui, repo):
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diff changeset
227 s = repo.store
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diff changeset
228 def d():
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diff changeset
229 s.fncache._load()
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diff changeset
230 timer(d)
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231
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diff changeset
232 @command('perffncachewrite')
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diff changeset
233 def perffncachewrite(ui, repo):
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234 s = repo.store
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diff changeset
235 s.fncache._load()
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diff changeset
236 def d():
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diff changeset
237 s.fncache._dirty = True
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diff changeset
238 s.fncache.write()
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diff changeset
239 timer(d)
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240
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diff changeset
241 @command('perffncacheencode')
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diff changeset
242 def perffncacheencode(ui, repo):
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diff changeset
243 s = repo.store
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diff changeset
244 s.fncache._load()
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diff changeset
245 def d():
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diff changeset
246 for p in s.fncache.entries:
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diff changeset
247 s.encode(p)
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diff changeset
248 timer(d)
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249
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diff changeset
250 @command('perfdiffwd')
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diff changeset
251 def perfdiffwd(ui, repo):
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diff changeset
252 """Profile diff of working directory changes"""
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diff changeset
253 options = {
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diff changeset
254 'w': 'ignore_all_space',
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diff changeset
255 'b': 'ignore_space_change',
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diff changeset
256 'B': 'ignore_blank_lines',
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diff changeset
257 }
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diff changeset
258
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diff changeset
259 for diffopt in ('', 'w', 'b', 'B', 'wB'):
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diff changeset
260 opts = dict((options[c], '1') for c in diffopt)
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diff changeset
261 def d():
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diff changeset
262 ui.pushbuffer()
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diff changeset
263 commands.diff(ui, repo, **opts)
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diff changeset
264 ui.popbuffer()
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diff changeset
265 title = 'diffopts: %s' % (diffopt and ('-' + diffopt) or 'none')
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diff changeset
266 timer(d, title)
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diff changeset
267
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diff changeset
268 @command('perfrevlog',
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diff changeset
269 [('d', 'dist', 100, 'distance between the revisions')],
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diff changeset
270 "[INDEXFILE]")
11694
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diff changeset
271 def perfrevlog(ui, repo, file_, **opts):
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diff changeset
272 from mercurial import revlog
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diff changeset
273 dist = opts['dist']
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274 def d():
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275 r = revlog.revlog(lambda fn: open(fn, 'rb'), file_)
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276 for x in xrange(0, len(r), dist):
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277 r.revision(r.node(x))
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278
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279 timer(d)
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280
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281 @command('perfrevset',
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282 [('C', 'clear', False, 'clear volatile cache between each call.')],
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283 "REVSET")
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284 def perfrevset(ui, repo, expr, clear=False):
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285 """benchmark the execution time of a revset
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286
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287 Use the --clean option if need to evaluate the impact of build volatile
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288 revisions set cache on the revset execution. Volatile cache hold filtered
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289 and obsolete related cache."""
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290 def d():
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291 if clear:
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292 repo.invalidatevolatilesets()
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293 repo.revs(expr)
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294 timer(d)
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295
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296 @command('perfvolatilesets')
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297 def perfvolatilesets(ui, repo, *names):
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298 """benchmark the computation of various volatile set
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299
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300 Volatile set computes element related to filtering and obsolescence."""
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301 repo = repo.unfiltered()
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302
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303 def getobs(name):
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304 def d():
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305 repo.invalidatevolatilesets()
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306 obsolete.getrevs(repo, name)
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307 return d
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308
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309 allobs = sorted(obsolete.cachefuncs)
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310 if names:
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311 allobs = [n for n in allobs if n in names]
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312
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313 for name in allobs:
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314 timer(getobs(name), title=name)
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315
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316 def getfiltered(name):
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317 def d():
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318 repo.invalidatevolatilesets()
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319 repoview.filteredrevs(repo, name)
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320 return d
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321
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322 allfilter = sorted(repoview.filtertable)
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323 if names:
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324 allfilter = [n for n in allfilter if n in names]
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325
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326 for name in allfilter:
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327 timer(getfiltered(name), title=name)
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328
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329 @command('perfbranchmap',
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330 [('f', 'full', False,
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331 'Includes build time of subset'),
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332 ])
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333 def perfbranchmap(ui, repo, full=False):
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334 """benchmark the update of a branchmap
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335
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336 This benchmarks the full repo.branchmap() call with read and write disabled
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337 """
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338 def getbranchmap(filtername):
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339 """generate a benchmark function for the filtername"""
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340 if filtername is None:
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341 view = repo
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342 else:
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343 view = repo.filtered(filtername)
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344 def d():
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345 if full:
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346 view._branchcaches.clear()
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347 else:
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348 view._branchcaches.pop(filtername, None)
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349 view.branchmap()
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350 return d
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351 # add filter in smaller subset to bigger subset
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352 possiblefilters = set(repoview.filtertable)
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353 allfilters = []
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354 while possiblefilters:
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355 for name in possiblefilters:
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356 subset = repoview.subsettable.get(name)
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357 if subset not in possiblefilters:
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358 break
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359 else:
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360 assert False, 'subset cycle %s!' % possiblefilters
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361 allfilters.append(name)
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362 possiblefilters.remove(name)
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363
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364 # warm the cache
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365 if not full:
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366 for name in allfilters:
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367 repo.filtered(name).branchmap()
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368 # add unfiltered
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369 allfilters.append(None)
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370 oldread = branchmap.read
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371 oldwrite = branchmap.branchcache.write
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diff changeset
372 try:
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373 branchmap.read = lambda repo: None
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374 branchmap.write = lambda repo: None
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375 for name in allfilters:
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376 timer(getbranchmap(name), title=str(name))
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diff changeset
377 finally:
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378 branchmap.read = oldread
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379 branchmap.branchcache.write = oldwrite
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380
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381
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diff changeset
382