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2007
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Architectural Support for the Stream Execution Model on General-Purpose Processors

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Architectural Support for the Stream Execution Model on General-Purpose Processors
There has recently been much interest in stream processing, both in industry (e.g., Cell, NVIDIA G80, ATI R580) and academia (e.g., Stanford Merrimac, MIT RAW), with stream programs becoming increasingly popular for both media and more general-purpose computing. Although a special style of programming called stream programming is needed to target these stream architectures, huge performance benefits can be achieved. In this paper, we minimally add architectural features to commodity general-purpose processors (e.g., Intel/AMD) to efficiently support the stream execution model. We design the extensions to reuse existing components of the generalpurpose processor hardware as much as possible by investigating low-cost modifications to the CPU caches, hardware prefetcher, and the execution core. With a less than 1% increase in die area along with judicious use of a software runtime system, we show that we can efficiently support stream programming on traditional processor cores. We ev...
Jayanth Gummaraju, Mattan Erez, Joel Coburn, Mende
Added 03 Jun 2010
Updated 03 Jun 2010
Type Conference
Year 2007
Where IEEEPACT
Authors Jayanth Gummaraju, Mattan Erez, Joel Coburn, Mendel Rosenblum, William J. Dally
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