RFC: some tasks for NCSA

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As a result of some discussion, I have a revised list of major goals for NCSA.

In the web page:
there is one item under 'New Features for HDF5', 'Explicit support for
coordinate variables/axes'. Item 2 below is a refinement of that bullet.

The other 3 can be added.

Consider these bullets a proposal, subject to discussion.  When we get
consensus on these, we'll set some firm milestones.

  1. Update and correct the HDF5 specification document.

2. A dimension scales API sufficient to support coordinate variables/axes.
      See the proposal
      for an initial idea.  We need to review and gain consensus on
      the design, and then implement it.

3. An index object that permits specifying an order for iterating over
   a set of objects, and perhaps also permits efficient insertion into
   and deletion from the ordered set it indexes.

  4.  MPI-IO enhancements to improve performance, as suggested by the
   Northwestern/Argonne work.

Robert E. McGrath  (HDF Java Team Leader)
National Center for Supercomputing Applications
University of Illinois, Urbana-Champaign
Champaign, Illinois 61820


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