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A new generation memory, Non-Volatile Memory (NVM), such as Phase-Change Memory (PCM), has been adopted together with DRAM in the main memory to form the hybrid main memory for low energy consumption and high capacity. The biggest challenge of hybrid memory is how to decrease the average memory access cost for the higher cost of NVM's read/write operation. Currently, most researches are based on migration...
In modern multi-core system, memory is shared among more and more concurrently running threads. Therefore, memory contention and interference is more and more seriously which induces performance degradation unevenly, unfairness resource sharing and priority inversion even starvation. In this paper, we first analyze the problems induced by contention and interference in detail, and then, propose pseudo...
Single-ISA heterogeneous multi-core processors have advantages over cost-equivalent homogeneous ones, which integrate cores having the same instruction set architecture (ISA) but offer different performance and power characteristics. When these cores share the off-chip main memory, requests from different cores will interfere with each other, leading to low system performance and unfairness even starvation...
Improving power efficiency of processor and memory has recently received a lot of attention. However, most existing solutions concentrate on processor or memory separately and cannot combine well to simultaneously improve both. This paper presents a solution to improve both processor and memory power efficiency simultaneously through group scheduling (GS) which managing CPU frequency and memory rank...
Energy is a critical resource to not only mobile, wireless, and battery-powered devices, but also consumer PCs and large scale server system and data centers. High energy consumption results in more heat dissipations, cooling costs and makes servers become more prone to failures. In this paper a survey is presented on the problem and the different proposed solutions of energy management for microprocessor...
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