General-Purpose Processor Huffman Encoding Extension

Authors:
Stephan Wong;Sorin Cotofana;Stamatis Vassiliadis
Affiliations:
-;-;-
Venue:
ITCC '00 Proceedings of the The International Conference on Information Technology: Coding and Computing (ITCC'00)
Year:
2000

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Abstract

This paper proposes an extension to general-purpose architectures to improve the performance of multimedia operations. More specifically, we consider the multimedia JPEG/MPEG standards and investigate the possibility to accelerate the Huffman encoding operation, which is a known performance limiting function, found in these standards. Our investigation suggests that it is possible to decrease the total number of execution cycles by 9% to 12% when the proposed unit is implemented as an extension to existing general-purpose hardware. This new extension is intended to be an integral part of a Multimedia Functional Unit (MFU) that performs specific multimedia operations in a time efficient manner.