1. 24 Feb, 2014 40 commits
  2. 22 Feb, 2014 40 commits
    • loring's avatar
      libsim safe zero copy data transfer and numpy support : · 12614635
      loring authored
      if numpy is found during configure then libsim may be passed
      numpy arrays directly. zero-copy transfer are supported via
      numpy c-api. a new ownership type is introduced to support
      safe zero-copy transfer of data to vtk data arrays. when this
      ownership is requested a custom (potentially user provided)
      callback is invoked by an internally arranged observer of vtk
      data array delete event. the callback should free the memory.
      this mechanism can be used in any zero-copy transfer through
      libsim where c's free is not the correct function to free the
      transfered memory, in the case of python and numpy, we make
      use of python's ref counting to ensure the numpy object is not
      destroyed until the vtk array is deleted. the numpy object's
      ref count incremented (by libsim) as its passed in, libsim
      provides a callback which decrements the object's ref count
      when the vtk data array is deleted. aside from having to pass
      the new ownership flag, this all happens transparently to the
      user as it is implemented in libsim's python swig customizations.
      If this were to be used in other situations, eg FORTRAN, the user
      would be extected to provide the memory management callback.
      
      
      
      git-svn-id: http://visit.ilight.com/svn/visit/trunk/src@22880 18c085ea-50e0-402c-830e-de6fd14e8384
      12614635
    • brugger's avatar
      Update the revision number of the last test suite pass. · c0268e21
      brugger authored
      git-svn-id: http://visit.ilight.com/svn/visit/trunk/src@22879 18c085ea-50e0-402c-830e-de6fd14e8384
      c0268e21
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