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A new floating-point architecture for wireless 3D graphics

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2 Author(s)
Lutz, D.R. ; ARM Inc., Austin, TX, USA ; Hinds, C.N.

We present a new ARM architecture designed to speed up geometry computations for wireless 3D graphics. Our motivating problem is the graphics geometry pipeline, and we begin by examining its fundamental operations: matrix manipulations, dot products, cross products, distance computation and divisions. The operations are used to derive a minimal but powerful SIMD instruction set. The difficulty of vectorizing some of the operations leads to a novel solution using new load/store instructions. We conclude with examples showing how the graphics problem maps onto a possible implementation, and a discussion of the speedups provided over ARM's general-purpose floating-point processor.

Published in:

Signals, Systems and Computers, 2004. Conference Record of the Thirty-Eighth Asilomar Conference on  (Volume:2 )

Date of Conference:

7-10 Nov. 2004