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Viewing changes to bzrlib/benchmarks/__init__.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2006-06-23 15:50:16 UTC
  • mfrom: (1756.2.23 log.perf)
  • Revision ID: pqm@pqm.ubuntu.com-20060623155016-476962c2dd4938a2
Optimize performance of log --short and log --line

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bzrlib/benchmarks/__init__.py
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        self.build_tree(files)
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    def make_many_commit_tree(self, directory_name='.'):
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        """Create a tree with an egregious number of commits.
 
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        """Create a tree with many commits.
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        No files change are included.
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        """
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                tree.unlock()
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        return tree
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    def make_heavily_merged_tree(self, directory_name='.'):
 
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        """Create a tree in which almost every commit is a merge.
 
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        No files change are included.  This produces two trees, 
 
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        one of which is returned.  Except for the first commit, every
 
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        commit in its revision-history is a merge another commit in the other
 
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        tree.
 
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        """
 
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        tree = BzrDir.create_standalone_workingtree(directory_name)
 
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        tree.lock_write()
 
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        try:
 
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            tree2 = tree.bzrdir.sprout('tree2').open_workingtree()
 
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            tree2.lock_write()
 
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            try:
 
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                for i in xrange(250):
 
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                    revision_id = tree.commit('no-changes commit %d-a' % i)
 
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                    tree2.branch.fetch(tree.branch, revision_id)
 
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                    tree2.set_pending_merges([revision_id])
 
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                    revision_id = tree2.commit('no-changes commit %d-b' % i)
 
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                    tree.branch.fetch(tree2.branch, revision_id)
 
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                    tree.set_pending_merges([revision_id])
 
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                tree.set_pending_merges([])
 
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            finally:
 
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                tree.unlock()
 
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        finally:
 
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            tree2.unlock()
 
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        return tree
 
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def test_suite():
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    """Build and return a TestSuite which contains benchmark tests only."""