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Seventh International Workshop on Computer Architecture for Machine Perception (CAMP'05)
CliffoSor: A Parallel Embedded Architecture for Geometric Algebra and Computer Graphics
Palermo, Italy
July 04-July 06
ISBN: 0-7695-2255-6
Geometric objects representation and their transformations are the two key aspects in computer graphics applications. Traditionally, compute-intensive matrix calculations are involved to model and render 3D scenery. Geometric algebra (a.k.a. Clifford algebra) is gaining growing attention for its natural way to model geometric facts coupled with its being a powerful analytical tool for symbolic calculations. In this paper, the architecture of CliffoSor (Clifford Processor) is introduced. ClifforSor is an embedded parallel coprocessing core that offers direct hardware support to Clifford algebra operators. A prototype implementation on an FPGA board is detailed. Initial test results show more than 4x speedup for Clifford products against the analogous operations in GAIGEN, a standard geometric algebra library generator for general purpose processors.
Citation:
A. Gentile, S. Segreto, F. Sorbello, G. Vassallo, S. Vitabile, V. Vullo, "CliffoSor: A Parallel Embedded Architecture for Geometric Algebra and Computer Graphics," camp, pp.90-95, Seventh International Workshop on Computer Architecture for Machine Perception (CAMP'05), 2005
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