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  • Committer: Canonical.com Patch Queue Manager
  • Date: 2009-09-05 18:43:18 UTC
  • mfrom: (4672.2.3 2.1-btree-simple-parse)
  • Revision ID: pqm@pqm.ubuntu.com-20090905184318-tw9odqqk4fh93qrv
(jam) Tweak BTreeLeafParser.extract_key to improve index read
        performance 10%

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NEWS
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Internals
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*********
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* ``BTreeLeafParser.extract_key`` has been tweaked slightly to reduce
 
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  mallocs while parsing the index (approx 3=>1 mallocs per key read).
 
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  This results in a 10% speedup while reading an index.
 
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  (John Arbash Meinel)
 
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* The ``bzrlib.lsprof`` module has a new class ``BzrProfiler`` which makes
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  profiling in some situations like callbacks and generators easier.
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  (Robert Collins)