Accelerating Mobile Video: A 64-Bit SIMD Architecture for Handheld Applications

N. C. Paver, M. H. Khan, B. C. Aldrich, C. D. Emmons
<span title="">2005</span> <i title="Springer Nature"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/vj6u7whp3begllofw5o3megb64" style="color: black;">Journal of VLSI Signal Processing Systems for Signal, Image and Video Technology</a> </i> &nbsp;
Providing quality mobile video applications in hand-held mobile devices requires increased computational capability. Using Single Instruction Multiple Data (SIMD) techniques to expose and accelerate the data parallelism inherent in video processing increases performance in handheld and wireless systems. The paper introduces a new 64-bit SIMD coprocessor of the Intel R XScale R microarchitecture which is optimized for low-power handheld applications. The architecture blends the SIMD media
more &raquo; ... ing style with the capabilities of the XScale microarchitecture. This paper provides an overview of the architecture, its instruction set, programming model, the pipeline organization and functional units. The paper also describes how key features of architecture improve the performance of video applications as compared to a scalar implementation. The performance and power improvements based upon measured results are analyzed to show how the opportunities of power savings by reducing the frequency and voltage can be realized.
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