Mercurial > hg
annotate contrib/perf.py @ 16399:7416ce2c7887
help: fix indentation on cacert (issue3350)
The parser doesn't really handle nesting, so reorder so the nested bit
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author | Matt Mackall <mpm@selenic.com> |
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date | Thu, 12 Apr 2012 20:22:18 -0500 |
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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, match, commands |
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5 import time, os, sys |
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6 |
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7 def timer(func, title=None): |
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8 results = [] |
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9 begin = time.time() |
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10 count = 0 |
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11 while True: |
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12 ostart = os.times() |
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13 cstart = time.time() |
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14 r = func() |
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15 cstop = time.time() |
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16 ostop = os.times() |
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17 count += 1 |
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18 a, b = ostart, ostop |
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19 results.append((cstop - cstart, b[0] - a[0], b[1]-a[1])) |
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20 if cstop - begin > 3 and count >= 100: |
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21 break |
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22 if cstop - begin > 10 and count >= 3: |
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23 break |
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24 if title: |
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25 sys.stderr.write("! %s\n" % title) |
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26 if r: |
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27 sys.stderr.write("! result: %s\n" % r) |
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28 m = min(results) |
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29 sys.stderr.write("! wall %f comb %f user %f sys %f (best of %d)\n" |
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30 % (m[0], m[1] + m[2], m[1], m[2], count)) |
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31 |
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32 def perfwalk(ui, repo, *pats): |
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33 try: |
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34 m = scmutil.match(repo[None], pats, {}) |
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35 timer(lambda: len(list(repo.dirstate.walk(m, [], True, False)))) |
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36 except: |
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37 try: |
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38 m = scmutil.match(repo[None], pats, {}) |
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39 timer(lambda: len([b for a, b, c in repo.dirstate.statwalk([], m)])) |
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40 except: |
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41 timer(lambda: len(list(cmdutil.walk(repo, pats, {})))) |
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42 |
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43 def perfstatus(ui, repo, *pats): |
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44 #m = match.always(repo.root, repo.getcwd()) |
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45 #timer(lambda: sum(map(len, repo.dirstate.status(m, [], False, False, False)))) |
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46 timer(lambda: sum(map(len, repo.status()))) |
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47 |
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48 def perfheads(ui, repo): |
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49 timer(lambda: len(repo.changelog.headrevs())) |
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50 |
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51 def perftags(ui, repo): |
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52 import mercurial.changelog, mercurial.manifest |
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53 def t(): |
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54 repo.changelog = mercurial.changelog.changelog(repo.sopener) |
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55 repo.manifest = mercurial.manifest.manifest(repo.sopener) |
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56 repo._tags = None |
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57 return len(repo.tags()) |
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58 timer(t) |
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59 |
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60 def perfdirstate(ui, repo): |
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61 "a" in repo.dirstate |
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62 def d(): |
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63 repo.dirstate.invalidate() |
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64 "a" in repo.dirstate |
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65 timer(d) |
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66 |
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67 def perfdirstatedirs(ui, repo): |
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68 "a" in repo.dirstate |
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69 def d(): |
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70 "a" in repo.dirstate._dirs |
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71 del repo.dirstate._dirs |
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72 timer(d) |
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73 |
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74 def perfmanifest(ui, repo): |
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75 def d(): |
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76 t = repo.manifest.tip() |
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77 m = repo.manifest.read(t) |
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78 repo.manifest.mapcache = None |
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79 repo.manifest._cache = None |
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80 timer(d) |
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81 |
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82 def perfchangeset(ui, repo, rev): |
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83 n = repo[rev].node() |
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84 def d(): |
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85 c = repo.changelog.read(n) |
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86 #repo.changelog._cache = None |
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87 timer(d) |
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88 |
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89 def perfindex(ui, repo): |
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90 import mercurial.revlog |
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91 mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg |
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92 n = repo["tip"].node() |
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93 def d(): |
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94 cl = mercurial.revlog.revlog(repo.sopener, "00changelog.i") |
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95 cl.rev(n) |
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96 timer(d) |
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97 |
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98 def perfstartup(ui, repo): |
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99 cmd = sys.argv[0] |
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100 def d(): |
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101 os.system("HGRCPATH= %s version -q > /dev/null" % cmd) |
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102 timer(d) |
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103 |
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104 def perfparents(ui, repo): |
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105 nl = [repo.changelog.node(i) for i in xrange(1000)] |
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106 def d(): |
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107 for n in nl: |
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108 repo.changelog.parents(n) |
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109 timer(d) |
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110 |
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111 def perflookup(ui, repo, rev): |
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112 timer(lambda: len(repo.lookup(rev))) |
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113 |
16309 | 114 def perfnodelookup(ui, repo, rev): |
115 import mercurial.revlog | |
116 mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg | |
117 n = repo[rev].node() | |
118 def d(): | |
119 cl = mercurial.revlog.revlog(repo.sopener, "00changelog.i") | |
120 cl.rev(n) | |
121 timer(d) | |
122 | |
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123 def perflog(ui, repo, **opts): |
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124 ui.pushbuffer() |
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125 timer(lambda: commands.log(ui, repo, rev=[], date='', user='', |
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126 copies=opts.get('rename'))) |
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127 ui.popbuffer() |
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128 |
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129 def perftemplating(ui, repo): |
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130 ui.pushbuffer() |
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131 timer(lambda: commands.log(ui, repo, rev=[], date='', user='', |
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132 template='{date|shortdate} [{rev}:{node|short}]' |
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133 ' {author|person}: {desc|firstline}\n')) |
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134 ui.popbuffer() |
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135 |
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136 def perfcca(ui, repo): |
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137 timer(lambda: scmutil.casecollisionauditor(ui, False, repo[None])) |
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138 |
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139 def perfdiffwd(ui, repo): |
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140 """Profile diff of working directory changes""" |
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141 options = { |
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142 'w': 'ignore_all_space', |
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143 'b': 'ignore_space_change', |
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144 'B': 'ignore_blank_lines', |
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145 } |
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146 |
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147 for diffopt in ('', 'w', 'b', 'B', 'wB'): |
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148 opts = dict((options[c], '1') for c in diffopt) |
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149 def d(): |
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150 ui.pushbuffer() |
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151 commands.diff(ui, repo, **opts) |
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152 ui.popbuffer() |
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153 title = 'diffopts: %s' % (diffopt and ('-' + diffopt) or 'none') |
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154 timer(d, title) |
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155 |
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156 def perfrevlog(ui, repo, file_, **opts): |
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157 from mercurial import revlog |
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158 dist = opts['dist'] |
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159 def d(): |
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160 r = revlog.revlog(lambda fn: open(fn, 'rb'), file_) |
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161 for x in xrange(0, len(r), dist): |
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162 r.revision(r.node(x)) |
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163 |
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164 timer(d) |
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165 |
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166 cmdtable = { |
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167 'perfcca': (perfcca, []), |
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168 'perflookup': (perflookup, []), |
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170 'perfparents': (perfparents, []), |
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171 'perfstartup': (perfstartup, []), |
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172 'perfstatus': (perfstatus, []), |
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173 'perfwalk': (perfwalk, []), |
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174 'perfmanifest': (perfmanifest, []), |
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175 'perfchangeset': (perfchangeset, []), |
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176 'perfindex': (perfindex, []), |
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177 'perfheads': (perfheads, []), |
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178 'perftags': (perftags, []), |
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179 'perfdirstate': (perfdirstate, []), |
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180 'perfdirstatedirs': (perfdirstate, []), |
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181 'perflog': (perflog, |
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182 [('', 'rename', False, 'ask log to follow renames')]), |
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183 'perftemplating': (perftemplating, []), |
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184 'perfdiffwd': (perfdiffwd, []), |
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185 'perfrevlog': (perfrevlog, |
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186 [('d', 'dist', 100, 'distance between the revisions')], |
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187 "[INDEXFILE]"), |
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188 } |