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Scalable multiprocessors present special challenges to static software prefetching because on these systems the memory access latency is not completely determined at compile time. Furthermore, dynamic software prefetching cannot do much better because individual nodes on large-scale multiprocessors would tend to experience different remote memory delays over time. A fixed prefetch distance, even when...
Prefetching is a promising technique for hiding and tolerating the large memory latencies expected in scalable multiprocessors. In this paper we present and validate an analytical performance model for software-controlled data prefetching. The model incorporates all the important aspects affecting the performance of prefetching such as: program behavior, network topology, cache coherency protocols,...
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