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Viewing changes to bzrlib/benchmarks/bench_bench.py

  • Committer: John Arbash Meinel
  • Date: 2006-08-16 18:38:57 UTC
  • mfrom: (1934 +trunk)
  • mto: This revision was merged to the branch mainline in revision 1937.
  • Revision ID: john@arbash-meinel.com-20060816183857-7307edffa7098bd2
[merge] bzr.dev 1934

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bzrlib/benchmarks/bench_bench.py
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    osutils,
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    )
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from bzrlib.benchmarks import Benchmark
 
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from bzrlib.benchmarks.tree_creator.kernel_like import (
 
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    KernelLikeTreeCreator,
 
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    KernelLikeAddedTreeCreator,
 
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    KernelLikeCommittedTreeCreator,
 
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    )
 
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from bzrlib.tests import TestSkipped
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class MakeKernelLikeTreeBenchmark(Benchmark):
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    def test_01_make_kernel_like_tree(self):
 
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    def test_make_kernel_like_tree(self):
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        """Making a kernel sized tree should be ~ 5seconds on modern disk.""" 
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        # on roberts machine: this originally took:  7372ms/ 7479ms
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        # with the LocalTransport._abspath call:     3730ms/ 3778ms
 
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        # with AtomicFile tuning:                    2888ms/ 2926ms
 
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        # switching to transport.append:             1468ms/ 2849ms
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        self.time(self.make_kernel_like_tree)
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    def test_02_make_kernel_like_tree(self):
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        """Hardlinking a kernel-like working tree should be ~1s"""
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        # make sure kernel_like_tree is cached
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        self._cache_kernel_like_tree()
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        self.time(self.make_kernel_like_tree, root='bar',
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                  hardlink_working=True)
 
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        creator = KernelLikeTreeCreator(self, link_working=True)
 
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        if not creator.is_caching_enabled():
 
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            raise TestSkipped('caching is disabled')
 
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        creator.ensure_cached()
 
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        self.time(creator.create, root='bar')
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    def test_03_make_kernel_like_added_tree(self):
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        """Time the first creation of a kernel like added tree"""
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        orig_cache = Benchmark.CACHE_ROOT
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        try:
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            # Change to a local cache directory so we know this
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            # really creates the files
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            Benchmark.CACHE_ROOT = osutils.abspath('cache')
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            self.time(self.make_kernel_like_added_tree, root='foo')
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        finally:
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            Benchmark.CACHE_ROOT = orig_cache
 
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        creator = KernelLikeAddedTreeCreator(self)
 
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        creator.disable_cache()
 
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        self.time(creator.create, root='foo')
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    def test_04_make_kernel_like_added_tree(self):
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        """Time the second creation of a kernel like added tree 
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        (this should be a clone)
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        """
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        # make sure kernel_like_added_tree is cached
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        self._cache_kernel_like_added_tree()
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        self.time(self.make_kernel_like_added_tree, root='bar')
 
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        creator = KernelLikeAddedTreeCreator(self, link_working=True)
 
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        if not creator.is_caching_enabled():
 
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            # Caching is disabled, this test is meaningless
 
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            raise TestSkipped('caching is disabled')
 
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        creator.ensure_cached()
 
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        self.time(creator.create, root='bar')
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    def test_05_make_kernel_like_committed_tree(self):
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        """Time the first creation of a committed kernel like tree"""
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        orig_cache = Benchmark.CACHE_ROOT
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        try:
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            # Change to a local cache directory so we know this
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            # really creates the files
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            Benchmark.CACHE_ROOT = osutils.abspath('cache')
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            self.time(self.make_kernel_like_committed_tree, root='foo')
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        finally:
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            Benchmark.CACHE_ROOT = orig_cache
 
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        creator = KernelLikeCommittedTreeCreator(self)
 
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        creator.disable_cache()
 
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        self.time(creator.create, root='foo')
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    def test_06_make_kernel_like_committed_tree(self):
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        """Time the second creation of a committed kernel like tree 
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        (this should be a clone)
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        """
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        # Call make_kernel_like_committed_tree to make sure it is cached
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        self._cache_kernel_like_committed_tree()
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        self.time(self.make_kernel_like_committed_tree, root='bar')
 
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        creator = KernelLikeCommittedTreeCreator(self,
 
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                                                 link_working=True,
 
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                                                 link_bzr=False)
 
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        if not creator.is_caching_enabled():
 
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            # Caching is disabled, this test is meaningless
 
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            raise TestSkipped('caching is disabled')
 
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        creator.ensure_cached()
 
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        self.time(creator.create, root='bar')
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    def test_07_make_kernel_like_committed_tree_hardlink(self):
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        """Time the creation of a committed kernel like tree 
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        (this should also hardlink the .bzr/ directory)
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        """
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        # make sure kernel_like_committed_tree is cached
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        self._cache_kernel_like_committed_tree()
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        self.time(self.make_kernel_like_committed_tree, root='bar',
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                    hardlink_bzr=True)
 
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        creator = KernelLikeCommittedTreeCreator(self,
 
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                                                 link_working=True,
 
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                                                 link_bzr=True)
 
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        if not creator.is_caching_enabled():
 
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            # Caching is disabled, this test is meaningless
 
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            raise TestSkipped('caching is disabled')
 
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        creator.ensure_cached()
 
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        self.time(creator.create, root='bar')
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