An Effective Load Balancing Scheme for 3D Texture-Based Sort-Last Parallel Volume Rendering on GPU Clusters

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概要

• 論文の詳細を見る

• We present an adaptive dynamic load balancing scheme for 3D texture based sort-last parallel volume rendering on a PC cluster equipped with GPUs. Our scheme exploits not only task parallelism but also data parallelism during rendering by combining the hierarchical data structures (octree and parallel BSP tree) in order to skip empty regions and distribute proper workloads to rendering nodes. Our scheme can also conduct a valid parallel rendering and image compositing in visibility order by employing a 3D clustering algorithm. To alleviate the imbalance when the transfer function is changed, a load rebalancing is inexpensively supported by exchanging only needed data. A detailed performance analysis is provided and scaling characteristics of our scheme are discussed. These show that our scheme can achieve significant performance gains by increasing parallelism and decreasing synchronizing costs compared to the traditional static distribution schemes.

• （社）電子情報通信学会の論文
• 2008-03-01

著者

• Park Woo-Chan

  Department of Computer Science, Sejong University

• Park Woo-chan

  Department Of Computer Science Yonsei University

• LEE Won-Jong

  Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology

• Han Tack-Don

  Department of Computer Science, Yonsei University

• Park Woo-chan

  Department Of Internet Engineering Sejong University

• SRINI Vason

  Department of Computer Science and Engineering, Information and Communications University

• MURAKI Shigeru

  Collaborative Research Team of Volume Graphics, National Institute of Advanced Industrial Science an

• Srini Vason

  Department Of Computer Science And Engineering Information And Communications University

• Muraki Shigeru

  Collaborative Research Team Of Volume Graphics National Institute Of Advanced Industrial Science And

• Han Tack-don

  Department Of Computer Science Yonsei University

• Lee Won-jong

  Department Of Computer Science Yonsei University

• Park Woo-Chan

  Department of Computer Engineering, Sejong University

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