November 2014
Intermediate to advanced
600 pages
17h 20m
English
Content preview from High Performance Parallelism Pearls Volume One
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Chapter 21
High-Performance Ray Tracing
Gregory S. Johnson*; Ingo Wald*; Sven Woop†; Carsten Benthin†; Manfred Ernst*,1 * Intel Corporation, USA† Intel Corporation, Germany1 Current affiliation: Google Incorporated, USA.
Abstract
We describe how the Intel Embree ray tracing kernel library can be used to achieve high performance and high image quality on Intel Xeon Phi coprocessors. We demonstrate that this hardware/software combination can reach levels of performance (on nontrivial workloads) comparable to and often better than any other CPU or GPU known today. Moreover, the ray tracing computation itself and related vectorization strategies are conceptually straightforward for nonexperts, and a simple example is given that illustrates the ...
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