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bzrlib/benchmarks/bench_osutils.py

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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

 

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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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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':

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