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1753.1.1
by Robert Collins
(rbc, jam, mbp)Add bzrlib.osutils.walkdirs, an optimised walk-and-stat routine. |
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# Copyright (C) 2006 by 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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#
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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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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""Tests for bzr osutils functions performance."""
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from bzrlib.benchmarks import Benchmark |
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import bzrlib.osutils as osutils |
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class WalkDirsBenchmark(Benchmark): |
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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() |
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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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def dowalk(): |
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for dirblock in osutils.walkdirs('.'): |
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if dirblock[0][1] == '.bzr': |
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del dirblock[0] |
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self.time(dowalk) |