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The use of scientific visualization tools (e.g. AVS—application visualization system) to display performance data is becoming a very powerful alternate to support performance analysis of parallel programs. One advantage of this approach is that no tool development is required and every feature of data visualization tool can be used for further data analysis.
In this paper the Do-Loop Surface (DLS) display, an abstract view of the performance of the particular Do-Loop in a program implemented using AVS, is presented as an example on how a data visualization tool can be used to define a new abstract representation of performance, helping the user to analyze complex data potentially generated by large number of processes.