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  • Committer: Canonical.com Patch Queue Manager
  • Date: 2009-06-16 19:32:32 UTC
  • mfrom: (4371.3.48 1.16-better_heads)
  • Revision ID: pqm@pqm.ubuntu.com-20090616193232-rorncr6v3z633n9u
(jam) graph.KnownGraph implementation,
        used for optimized heads() lookups during annotate.

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NEWS
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  rather than requiring all command names be known a-priori.
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  (Robert Collins)
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* ``graph.KnownGraph`` has been added. This is a class that can give
 
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  answers to ``heads()`` very quickly. However, it has the assumption that
 
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  the whole graph has already been loaded. This is true during
 
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  ``annotate`` so it is used there with good success (as much as 2x faster
 
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  for files with long ancestry and 'cherrypicked' changes.)
 
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  (John Arbash Meinel)
 
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Improvements
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************
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