[Yt-svn] New issue 301 in yt: Replace TrilinearInterpolator with ghost zone specific interpolator

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New issue 301: Replace TrilinearInterpolator with ghost zone specific interpolator
https://bitbucket.org/yt_analysis/yt/issue/301/replace-trilinearinterpolator-with-ghost

Matthew Turk / MatthewTurk on Wed, 7 Sep 2011 23:19:21 +0200:

Description:
  The single slowest call in calculating a large number of ghost zoned grids is in the interpolator.  This is because it is not specialized; it is generic, accepting bins, digitization, etc etc.  It is designed to do generalized interpolation.  However, we want special case interpolation: we have vertex-centered data (roughly speaking) and we want to subsample it.

This can be done by replacing nearly all of the function _refine in AMRSmoothedCoveringGrid with a specialized function.

Responsible:
  MatthewTurk
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