The International Conference for High Performance Computing, Networking, Storage, and Analysis
The International Conference for High Performance Computing, Networking, Storage, and Analysis
Workshop:ISAV 2020: In Situ Infrastructures for Enabling Extreme-Scale Analysis and Visualization
Authors: Aryaman Gupta and Pietro Incardona (Technical University Dresden, Center for Systems Biology Dresden); Ata Aydin (Center for Systems Biology Dresden, Max Planck Institute of Molecular Cell Biology and Genetics); Stefan Gumhold (Technical University Dresden); Ulrik Günther (Center for Advanced Systems Understanding, Görlitz; Max Planck Institute of Molecular Cell Biology and Genetics); and Ivo Sbalzarini (Technical University Dresden, Center for Systems Biology Dresden)
Abstract: Live in situ visualization of numerical simulations; interactive visualization while the simulation is running; can enable new modes of interaction, including computational steering. Designing easy-to-use distributed in situ architectures, with viewing latency low enough and frame rate high enough for interactive use, is challenging. Here, we propose a fully asynchronous, hybrid CPU-GPU in situ architecture that emphasizes interactivity. We also present a transparent implementation of this architecture embedded into the OpenFPM simulation framework. The benchmarks show that our architecture minimizes visual latencies and achieves frame rates between 6 and 60 frames/second, depending on simulation data size and degree of parallelism, by changing only a few lines of an existing simulation code.