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  • Committer: mbp at sourcefrog
  • Date: 2005-03-29 06:58:11 UTC
  • Revision ID: mbp@sourcefrog.net-20050329065811-1a9363119ad79447
remove parallel tree from inventory; 
store children directly in InventoryEntry

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notes/performance.txt
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full check, retrieving all file texts once for the 2.4 kernel branch
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takes 10m elapsed, 1m cpu time.  lots of random IO and seeking.
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----
 
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mbp@hope% time python =bzr deleted --show-ids 
 
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README                                             README-fa1d8447b4fd0140-adbf4342752f0fc3
 
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python =bzr deleted --show-ids  1.55s user 0.09s system 96% cpu 1.701 total
 
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mbp@hope% time python -O =bzr deleted --show-ids 
 
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README                                             README-fa1d8447b4fd0140-adbf4342752f0fc3
 
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python -O =bzr deleted --show-ids  1.47s user 0.10s system 101% cpu 1.547 total
 
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mbp@hope% time python -O =bzr deleted --show-ids
 
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README                                             README-fa1d8447b4fd0140-adbf4342752f0fc3
 
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python -O =bzr deleted --show-ids  1.49s user 0.07s system 99% cpu 1.565 total
 
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mbp@hope% time python =bzr deleted --show-ids   
 
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README                                             README-fa1d8447b4fd0140-adbf4342752f0fc3
 
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python =bzr deleted --show-ids  1.55s user 0.08s system 99% cpu 1.637 total
 
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small but significant improvement from Python -O
 
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