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The Case of Using Multiple Streams in Streaming 被引量:1
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作者 Muhammad Abid Mughal Hai-Xia Wang Dong-Sheng Wang 《International Journal of Automation and computing》 EI CSCD 2013年第6期587-596,共10页
Off-chip replacement (capacity and conflict) and coherent read misses in a distributed shared memory system cause execution to stall for hundreds of cycles. These off-chip replacement and coherent read misses are re... Off-chip replacement (capacity and conflict) and coherent read misses in a distributed shared memory system cause execution to stall for hundreds of cycles. These off-chip replacement and coherent read misses are recurring and forming sequences of two or more misses called streams. Prior streaming techniques ignored reordering of misses and not-recently-accessed streams while streaming data. In this paper, we present stream prefetcher design that can deal with both problems. Our stream prefetcher design utilizes stream waiting rooms to store not-recently-accessed streams. Stream waiting rooms help remove more off-chip misses. Using trace based simulation% our stream prefetcher design can remove 8% to 66% (on average 40%) and 17% to 63% (on average 39%) replacement and coherent read misses, respectively. Using cycle-accurate full-system simulation, our design gives speedups from 1.00 to 1.17 of princeton application repository for shared-memory computers (PARSEC) workloads running on a distributed shared memory system with the exception of dedup and swaptions workloads. 展开更多
关键词 PREFETCHING stream first in first out (FIFO) princeton application repository for shared-memory computers (PARSEC) stream waiting rooms reordering of misses sequitur.
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