[mlpack-svn] [MLPACK] #243: Dual cover tree traverser is quite slow
MLPACK Trac
trac at coffeetalk-1.cc.gatech.edu
Thu Nov 29 19:14:00 EST 2012
#243: Dual cover tree traverser is quite slow
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Reporter: rcurtin | Owner: rcurtin
Type: defect | Status: accepted
Priority: major | Milestone: mlpack 1.0.4
Component: mlpack | Resolution:
Keywords: cover tree, dualtreetraverser, neighborsearch | Blocking:
Blocked By: |
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Comment (by rcurtin):
With some changes to how the bound is propagated in r13955 through r13959,
the following numbers are produced:
* jl-constructed cover tree, jl dual-tree traversal: 83962 (as before)
* jl-constructed cover tree, mlpack dual-tree traversal: 98201 (used to
be 247537)
* mlpack-constructed cover tree, mlpack dual-tree traversal: 112039 (used
to be 189628)
We have some improvement, but I believe jl's implementation makes a few
more opportunistic prunes than our implementation currently does. So this
isn't quite done yet.
--
Ticket URL: <http://trac.research.cc.gatech.edu/fastlab/ticket/243#comment:4>
MLPACK <www.fast-lab.org>
MLPACK is an intuitive, fast, and scalable C++ machine learning library developed by the FASTLAB at Georgia Tech under Dr. Alex Gray.
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