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comparison mercurial/changelog.py @ 17951:6f79c32c0bdf stable

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commit: increase perf by avoiding unnecessary filteredrevs check When commiting to a repo with lots of history (>400000 changesets) the filteredrevs check (added with 5c89e7fa5bc2) in changelog.py takes a bit of time even if the filteredrevs set is empty. Skipping the check in that case shaves 0.36 seconds off a 2.14 second commit. A 17% gain.
author Durham Goode <durham@fb.com>
date Fri, 16 Nov 2012 15:39:12 -0800
parents 2894d180afa1
children c0c943ef4e55
comparison
equal deleted inserted replaced
17949:407209261f63 17951:6f79c32c0bdf
132 if i not in self.filteredrevs: 132 if i not in self.filteredrevs:
133 return self.node(i) 133 return self.node(i)
134 134
135 def __iter__(self): 135 def __iter__(self):
136 """filtered version of revlog.__iter__""" 136 """filtered version of revlog.__iter__"""
137 for i in xrange(len(self)): 137 if len(self.filteredrevs) == 0:
138 if i not in self.filteredrevs: 138 return revlog.revlog.__iter__(self)
139 yield i 139
140 def filterediter():
141 for i in xrange(len(self)):
142 if i not in self.filteredrevs:
143 yield i
144
145 return filterediter()
140 146
141 def revs(self, start=0, stop=None): 147 def revs(self, start=0, stop=None):
142 """filtered version of revlog.revs""" 148 """filtered version of revlog.revs"""
143 for i in super(changelog, self).revs(start, stop): 149 for i in super(changelog, self).revs(start, stop):
144 if i not in self.filteredrevs: 150 if i not in self.filteredrevs: