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Nowadays high-performance multimedia SoC design always integrates a variety of function units (FU) into a single chip and these FUs impose great stress on the shared memory system. To improve the memory system utilization and meet a wide range of bandwidth and latency requirements of these FUs, a well-designed memory scheduler that takes the quality-of-service (QoS) into account must be adopted. In...
For most SoCs, off-chip DRAM is an important resource that is shared by many heterogeneous function units(FU).To meet different memory access requirements by these FUs,it is crucial that the memory subsystem is capable of providing different quality of service(QoS).Due to the nature of DRAM, the available bandwidth greatly depends on the memory access sequence. However,conventional schedulers are...
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