A Load-Balancing Strategy for Sort-First Distributed Rendering

Authors:
Frederico Abraham;Waldemar Celes;Renato Cerqueira;Joao Luiz Campos
Affiliations:
Tecgraf, PUC-Rio, Brasil;Tecgraf, PUC-Rio, Brasil;Tecgraf, PUC-Rio, Brasil;Tecgraf, PUC-Rio, Brasil
Venue:
SIBGRAPI '04 Proceedings of the Computer Graphics and Image Processing, XVII Brazilian Symposium
Year:
2004

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Abstract

In this paper, we present a multi-threaded sort-first distributed rendering system. In order to achieve load balance among the rendering nodes, we propose a new partitioning scheme based on the rendering time of the previous frame. The proposed load-balancing algorithm is very simple to be implemented and works well for both geometry-and rasterization-bound models. We also propose a strategy to assign tiles to rendering nodes that effectively uses the available graphics resources, thus improving rendering performance.