Algorithms and Architectures for Parallel Processing: 11th by Ivo Anjo, João Cachopo (auth.), Yang Xiang, Alfredo

By Ivo Anjo, João Cachopo (auth.), Yang Xiang, Alfredo Cuzzocrea, Michael Hobbs, Wanlei Zhou (eds.)

This quantity set LNCS 7016 and LNCS 7017 constitutes the refereed court cases of the eleventh overseas convention on Algorithms and Architectures for Parallel Processing, ICA3PP 2011, held in Melbourne, Australia, in October 2011.
The first quantity provides 24 revised ordinary papers and 17 revised brief papers including the summary of the keynote lecture - all rigorously reviewed and chosen from eighty five preliminary submissions. The papers conceal the numerous dimensions of parallel algorithms and architectures, encompassing basic theoretical ways, sensible experimental effects, and advertisement elements and platforms and concentrate on extensive parts of parallel and disbursed computing, i.e., architectures, algorithms and networks, and structures and applications.

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Extra resources for Algorithms and Architectures for Parallel Processing: 11th International Conference, ICA300 2011, Melbourne, Australia, October 24-26, 2011, Proceedings, Part II

Sample text

The GridRT architecture is strongly based on the Uniform Grid structure. In such spatial subdivision scheme the 3-D scene is split into regions of equal size, called voxels. Each voxel has a list of primitives (triangles) that are inside it or almost inside it. Thus, only those voxels that are pierced by a ray are going to be sequentially accessed for intersection tests, from the voxel that is closest to the ray origin to the furthest. Therefore, if an intersection is found, no more tests are required for the given ray, because it is already the closest to the ray origin.

Programming Massively Parallel Processors: A Handson Approach. , San Francisco (2010) 7. : Two alternative parallel implementations for ray tracing: Openmp and mpi. In: Mecnica Computacional, vol. XXiX, pp. 6295–6302. Asociacin Argentina de Mecnica Computacional (2010) 8. : A parallel architecture for ray-tracing with an embedded intersection algorithm. In: International Symposium on Circuits and Systems, pp. 1491–1494. IEEE Computer Society, Los Alamitos (2011) 9. : A survey of general-purpose computation on graphics hardware.

Algorithm 2. y; ray = rays[i][j]; color = trace(3-D scene,ray,depth); image[i][j] = color; will be traced, resulting in one pixel color. Depending on the configuration that is set on Kernel launch, the identifiers can have up to three coordinates. In the case of Algorithm 2, only two coordinates are used (i, j), because the data (primary rays) is organized in two dimensions. In the end, the whole image will have been produced by parallel threads that processed one primary ray each, together with any secondary rays that may have been generated for each intersection test.

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