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Greg Pfister
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Oh, and good summary of the currrent situation, and thanks for the ref to Bob Dennard's paper. For the curious, here's where I found the pdf: http://www.ece.ucsb.edu/courses/ECE225/225_W07Banerjee/reference/Dennard.pdf
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Whether a function unit is "dark" clearly depends on the application and area. Caches are bright for commercial processing, but for HPC they're often dark - as illustrated by the stream processing done in GPUs. I'd submit caches already take up a lot more area than many of the function units we're likely to see.
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May 9, 2011