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Abstract: Multimedia SIMD extensions such as MMX and AltiVec speedup media processing, however, our characterization shows that the attributes of current general-purpose processors enhanced with SIMD extensions do not match very well with the access patterns and loop structures of media programs. We find that 75-85% of the dynamic instructions in the processor instruction stream are supporting instructions necessary to feed the SIMD execution units rather than true/useful computations, resulting in the... (Update)
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BibTeX entry: (Update)
D. Talla, L. John, and D. Burger. Bottlenecks in multimedia processing with SIMD style extensions and architectural enhancements. IEEE Transactions on Computers, to appear, pages 35--46, 2003. http://citeseer.ist.psu.edu/talla03bottlenecks.html More
@misc{ talla03bottlenecks,
author = "D. Talla and L. John and D. Burger",
title = "Bottlenecks in multimedia processing with SIMD style extensions and architectural
enhancements",
text = "D. Talla, L. John, and D. Burger. Bottlenecks in multimedia processing
with SIMD style extensions and architectural enhancements. IEEE Transactions
on Computers, to appear, pages 35--46, 2003.",
year = "2003",
url = "citeseer.ist.psu.edu/talla03bottlenecks.html" }
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