Matching memory access patterns and data placement for NUMA systems

Abstract

Many recent multicore multiprocessors are based on a nonuniform memory architecture (NUMA). A mismatch between the data access patterns of programs and the mapping of data to memory incurs a high overhead, as remote accesses have higher latency and lower throughput than local accesses. This paper reports on a limit study that shows that many scientific loop… (More)
DOI: 10.1145/2259016.2259046

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