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Phase-Change Memory (PCM) has emerged as a promising low-power candidate to replace DRAM in main memory. Hybrid memory architecture comprised of a large PCM and a small DRAM is a popular solution to mitigate undesirable characteristics of PCM writes. Because PCM writes are much slower than reads, writebacks from the last-level cache consume a large portion of memory bandwidth, and thus, impact performance...
Phase change memory (PCM) has emerged as a promising technology for main memory due to many advantages, such as better scalability, non-volatility and fast read access. However, PCM's limited write endurance restricts its immediate use as a replacement for DRAM. Recent studies have revealed that a PCM chip which integrates millions to billions of bit cells has non-negligible variations in write endurance...
With wide adoption of chip multiprocessors (CMPs) in modern computers, there is an increasing demand for large capacity main memory systems. The emerging PCM (Phase Change Memory) technology has unique power and scalability advantages and is regarded as a promising candidate among new memory technologies. When scheduling a mix of applications of different priority levels, it is often important to...
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