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As in situ analysis goes mainstream, ease of development, deployment, and maintenance becomes essential, perhaps more so than raw capabilities. In this paper, we present the design and implementa- tion of Catalyst, an API for in situ analysis using ParaView, which we refactored with these objectives in mind. Our implementation combines design ideas from in situ frameworks and HPC tools, like Ascent and MPICH.
The new version of the Catalyst in situ adapter requires only 50% of the code to instrument the LULESH simulation. Additionally, although not shown, the new adapter provides a better data representation than the adapter using the legacy version.
