Understanding Sources of Ineffciency in General-Purpose Chips
By Rehan Hameed, Wajahat Qadeer, Megan Wachs, Omid Azizi, Alex Solomatnikov, Benjamin C. Lee, Stephen Richardson, Christos Kozyrakis, Mark Horowitz
Communications of the ACM,
Vol. 54 No. 10, Pages 85-93
To better understand what improvement in processor efficiency is possible, we quantify the performance and energy overheads of a 720p HD H.264 encoder running on a CMP system. We explore methods to eliminate these overheads by transforming the CPU into a specialized system for H.264 encoding.
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