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  • Committer: wang
  • Date: 2006-10-29 13:41:32 UTC
  • mto: (2104.4.1 wang_65714)
  • mto: This revision was merged to the branch mainline in revision 2109.
  • Revision ID: wang@ubuntu-20061029134132-3d7f4216f20c4aef
Replace python's difflib by patiencediff because the worst case 
performance is cubic for difflib and people commiting large data 
files are often hurt by this. The worst case performance of patience is 
quadratic. Fix bug 65714.

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bzrlib/benchmarks/bench_workingtree.py
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# Copyright (C) 2006 by Canonical Ltd
 
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# Copyright (C) 2006 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as published by
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# the Free Software Foundation.
 
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# it under the terms of the GNU General Public License as published by
 
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# the Free Software Foundation; either version 2 of the License, or
 
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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class WorkingTreeBenchmark(Benchmark):
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    def test_list_files_kernel_like_tree(self):
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        self.make_kernel_like_tree()
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        self.run_bzr('add')
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        tree = WorkingTree.open('.')
 
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        tree = self.make_kernel_like_added_tree()
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        self.time(list, tree.list_files())
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    def test_list_files_unknown_kernel_like_tree(self):
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        self.make_kernel_like_tree()
 
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        tree = self.make_kernel_like_tree(link_working=True)
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        tree = WorkingTree.open('.')
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        # Bzr only traverses directories if they are versioned
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        # So add all the directories, but not the files, yielding