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Current Research Efforts in Media ISA Development

This paper gives an overview of research efforts concentrating on developing ISA (Instruction Set Architecture) extensions on general-purpose workstation and desktop processors. Two major trends are increasing utilization of data-level parallelism in twodimensional data processing and increasing the number of operations executed per one instruction to obtain more complex functionality. Several studies show speed-ups ranging from 1.1 to 2.5 for complete applications compared to current ISA extensions.