The Highly Parallel Interactive Image Flow Application (HPIIF) is an interactive visualization built with HPX and LibGeoDecomp in close collaboration with the Chair for Computer Architecture at the Friedrich-Alexander University in Erlangen (Germany).
Based on an N-Body algorithm, we show a visualization of particles interacting in an otherwise static image. The user is able to interact with the image through a high-definition camera and an Android-based tablet. In addition to the visualization, one can introspect the different performance characteristics through HPX’s performance counter framework. LibGeoDecomp is a generic library for stencil-based simulations. Users program against a common API, while the library leverages a number of optimized components to parallelize the simulation and adapt it to the system. Together with the new HPX backend, this demo showcases automatic load-balancing and dynamic removal/addition of hardware resources.
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