Parallel Hierarchical Radiosity on Hybrid Platforms
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Parallel Hierarchical Radiosity on Hybrid PlatformsDate
2011-12Citation
Emilio J. Padrón, Margarita Amor, Montserrat Bóo, Gabriel Rodríguez, Ramón Doallo, Parallel hierarchical radiosity on hybrid platforms, J Supercomput (2011) 58: 357. doi:10.1007/s11227-011-0592-6
Abstract
[Abstract] Achieving an efficient realistic illumination is an important aim of research in computer graphics. In this paper a new parallel global illumination method for hybrid systems based on the hierarchical radiosity method is presented. Our solution allows the exploitation of systems that combine independent nodes with multiple cores per node. Thus, multiple nodes work in parallel in the computation of the global illumination for the same scene. Within each node, all the available computational cores are used through a shared-memory multithreading approach. The good results obtained in terms of speedup on several distributed-memory and shared-memory configurations show the versatility of our hybrid proposal. [Resumo] Acadar unha eficiente iluminación realista é un importante obxectivo no campo dos gráficos por computadora. Neste traballo preséntase un novo método de iluminación global paralelo para sistemas híbridos baseado no modelo de radiosidade jerárquica. A nosa solución permite a explotación de sistemas que combinen nodos de cómputo independentes con múltiples núcleos de execución en cada nodo. Deste xeito, varios nodos traballan en paralelo na computación da iluminación global dunha mesma escea. Dentro de cada nodo, todos os núcleos computacionais dispoñibles son aproveitados mediante unha aproximación multifío en memoria compartida. Os bos resultados obtidos en canto a aceleración en distintas configuracións de memoria compartida e distribuída dan mostra da versatilidade da nosa proposta híbrida.
Keywords
Hybrid platforms
Global illumination
Hierarchical radiosity
Global illumination
Hierarchical radiosity
Description
The final publication is available at Springer via http://dx.doi.org/10.1007/s11227-011-0592-6
ISSN
0920-8542
1573-0484
1573-0484