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Summary of Data Collection
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Profile and Counts
Data Transformation and Visualization
Time spent in each procedure on each processor.
Number of times each procedure is called.
Number of messages generated.
Data reduction techniques to reduce number of dimensions:
Scalar data: single numbers (total computation time, total message number, mean message size, ...).
1D data: histograms.
2D data: color and a 2D-matrix.
, Plates 7 and 8.
Last modification: November 15, 1996