Now showing items 214-233 of 236

    • Task-based Augmented Reeb Graphs with Dynamic ST-Trees 

      Gueunet, Charles; Fortin, Pierre; Jomier, Julien; Tierny, Julien (The Eurographics Association, 2019)
      This paper presents, to the best of our knowledge, the first parallel algorithm for the computation of the augmented Reeb graph of piecewise linear scalar data. Such augmented Reeb graphs have a wide range of applications, ...
    • A Task-Based Parallel Rendering Component For Large-Scale Visualization Applications 

      Biedert, Tim; Werner, Kilian; Hentschel, Bernd; Garth, Christoph (The Eurographics Association, 2017)
      An increasingly heterogeneous system landscape in modern high performance computing requires the efficient and portable adaption of performant algorithms to diverse architectures. However, classic hybrid shared-memory/distributed ...
    • Through the Concurrency Gateway: a Challenge from the Near Future of Graphics Hardware 

      Welch, P. H. (The Eurographics Association, 2004)
      The computer graphics industry, and in particular those involved with films, games and virtual reality, continue to demand more and more realistic computer generated images. The complexity of the scenes being modelled and ...
    • Time Step Prioritising in Parallel Feature Extraction on Unsteady Simulation Data 

      Wolter, M.; Hentschel, B.; Schirski, M.; Gerndt, A.; Kuhlen, T. (The Eurographics Association, 2006)
      Explorative analysis of unsteady computational fluid dynamics (CFD) simulations requires a fast extraction of flow features. For time-varying data, the extraction algorithm has to be executed for each time step in the ...
    • Time-constrained Animation Rendering on Desktop Grids 

      Aggarwal, Vibhor; Debattista, Kurt; Bashford-Rogers, Thomas; Chalmers, Alan (The Eurographics Association, 2012)
      The computationally intensive nature of high-fidelity rendering has led to a dependence on parallel infrastructures for generating animations. However, such an infrastructure is expensive thereby restricting easy access ...
    • Time-constrained High-fidelity Rendering on Local Desktop Grids 

      Aggarwal, Vibhor; Debattista, Kurt; Dubla, Piotr; Bashford-Rogers, Thomas; Chalmers, Alan (The Eurographics Association, 2009)
      Parallel computing has been frequently used for reducing the rendering time of high-fidelity images, since the generation of such images has a high computational cost. Numerous algorithms have been proposed for parallel ...
    • Time-Critical Distributed Visualization with Fault Tolerance 

      Gao, Jinzhu; Liu, Huadong; Huang, Jian; Beck, Micah; Wu, Qishi; Moore, Terry; Kohl, James (The Eurographics Association, 2008)
      It is often desirable or necessary to perform scientific visualization in geographically remote locations, away from the centralized data storage systems that hold massive amounts of scientific results. The larger such ...
    • TOD-Tree: Task-Overlapped Direct send Tree Image Compositing for Hybrid MPI Parallelism 

      Grosset, A. V. Pascal; Prasad, Manasa; Christensen, Cameron; Knoll, Aaron; Hansen, Charles (The Eurographics Association, 2015)
      Modern supercomputers have very powerful multi-core CPUs. The programming model on these supercomputer is switching from pure MPI to MPI for inter-node communication, and shared memory and threads for intra-node communication. ...
    • Towards a Software Transactional Memory for Graphics Processors 

      Cederman, Daniel; Tsigas, Philippas; Chaudhry, Muhammad Tayyab (The Eurographics Association, 2010)
      The introduction of general purpose computing on many-core graphics processor systems, and the general shift in the industry towards parallelism, has created a demand for ease of parallelization. Software transactional ...
    • Tuning of Algorithms for Independent Task Placement in the Context of Demand-Driven Parallel Ray Tracing 

      Plachetka, T. (The Eurographics Association, 2004)
      This paper investigates assignment strategies (load balancing algorithms) for process farms which solve the problem of online placement of a constant number of independent tasks with given, but unknown, time complexities ...
    • UnityPIC: Unity Point-Cloud Interactive Core 

      Wu, Yaocheng; Vo, Huy; Gong, Jie; Zhu, Zhigang (The Eurographics Association, 2021)
      In this work, we present Unity Point-Cloud Interactive Core, a novel interactive point cloud rendering pipeline for the Unity Development Platform. The goal of the proposed pipeline is to expedite the development process ...
    • VisIt-OSPRay: Toward an Exascale Volume Visualization System 

      Wu, Qi; Usher, Will; Petruzza, Steve; Kumar, Sidharth; Wang, Feng; Wald, Ingo; Pascucci, Valerio; Hansen, Charles D. (The Eurographics Association, 2018)
      Large-scale simulations can easily produce data in excess of what can be efficiently visualized using production visualization software, making it challenging for scientists to gain insights from the results of these ...
    • Visualization of 2DWave Propagation by Huygens' Principle 

      Heßel, Stefan; Fernandes, Oliver; Boblest, Sebastian; Offenhäuser, Philipp; Hoffmann, Malte; Beck, Andrea; Ertl, Thomas; Glass, Colin; Munz, Claus-Dieter; Sadlo, Filip (The Eurographics Association, 2015)
      We present a novel technique to visualize wave propagation in 2D scalar fields. Direct visualization of wave fronts is susceptible to visual clutter and interpretation difficulties due to space-time interference and global ...
    • Visualization of High-Resolution Weather Model Data 

      Liu, Si; Foss, Greg; Abram, Greg; Bowen, Anne (The Eurographics Association, 2015)
      Significant bottlenecks from I/O required novel techniques be used for a high-resolution severe weather simulation and visualization in the region centered around O'Hare International Airport. The Raytheon Company collaborated ...
    • Visualization of Seismic Wave Propagation from Recent Damaging Earthquakes in Japan: Dense Array Observations and Parallel Simulations Using the Earth Simulator 

      Furumura, T.; Chen, L. (The Eurographics Association, 2004)
      This paper presents recent developments of large-scale parallel simulation of seismic wave propagation and concurrent visualization of 3D seismic wavefield using the Earth Simulator supercomputer. The developments of ...
    • Visualization Showcase: General-Relativistic Black Hole Visualization 

      Müller, Thomas; Boblest, Sebastian; Weiskopf, Daniel (The Eurographics Association, 2015)
      Black holes are among the most fascinating and weird objects in the universe. They distort space and time in their close neighborhood in a way that is far beyond our every day experience. We demonstrate the visual effects ...
    • Visualizing Groundwater Flow Through Karst Limestone 

      Knoll, Aaron; Brownlee, Carson; Navrátil, Paul; Cunningham, Kevin J.; Sukop, Michael C.; Garcia, Sadé (The Eurographics Association, 2015)
      Water management is critical in Florida where freshwater is often rare or, in times of flooding, overabundant and seawater frequently contaminates available sources. Professor Michael Sukop from Florida International ...
    • Volume Rendering Via Data-Parallel Primitives 

      Larsen, Matthew; Labasan, Stephanie; Navrátil, Paul; Meredith, Jeremy; Childs, Hank (The Eurographics Association, 2015)
      Supercomputing designs have recently evolved to include architectures beyond the standard CPU. In response, visualization software must be developed in a manner that obviates the need for porting all visualization algorithms ...
    • VtkSMP: Task-based Parallel Operators for VTK Filters 

      Ettinger, Mathias; Broquedis, F.; Gautier, T.; Ploix, S.; Raffin, Bruno (The Eurographics Association, 2013)
      NUMA nodes are potentially powerful but taking benefit of their capabilities is challenging due to their architecture (multiple computing cores, advanced memory hierarchy). They are nonetheless one of the key components ...
    • Wait-Free Shared-Memory Irradiance Cache 

      Dubla, Piotr; Debattista, Kurt; Santos, Luis Paulo; Chalmers, Alan (The Eurographics Association, 2009)
      The irradiance cache (IC) is an acceleration data structure which caches indirect diffuse irradiance values within the context of a ray tracing algorithm. In multi-threaded shared memory parallel systems the IC must be ...