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Viewing changes to bzrlib/benchmarks/bench_osutils.py

merge only needs a lock_tree_write() on the working tree, not a full lock_write()

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bzrlib/benchmarks/bench_osutils.py
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class WalkDirsBenchmark(Benchmark):
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    """Benchmarks for `bzrlib.osutils.walkdirs`"""
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    def test_walkdirs_kernel_like_tree(self):
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        """Walking a kernel sized tree is fast!(150ms)."""
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        self.make_kernel_like_tree(link_working=True)
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        # on roberts machine: this originally took:  157ms/4177ms
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        # plain os.walk takes 213ms on this tree
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        # with the pyrex readdir module:              77ms/5423ms
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        def dowalk():
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            for dirblock in osutils.walkdirs('.'):
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                if dirblock[0][1] == '.bzr':