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Issue created Sep 16, 2020 by W. Alan Scott@wascottMaintainer

CTH Block Header reader speedup

Here are diffs to speed the CTH Spy reader up in the block headers code. I believe this gives just under a 2X speedup for large CTH AMR datasets. In essence, we are going to make one big read per block header, rather than little tiny ones for each word.

vtkSpyPlotBlock.cxx.patch

vtkSpyPlotBlock.h.patch

vtkSpyPlotIStream.cxx.patch

vtkSpyPlotIStream.h.patch

vtkSpyPlotUniReader.cxx.patch

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