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Phase change memory (PCM) is an emerging memory technology which fast, byte-addressable and non-volatile. Because of these attractive features, PCM is the most promising technology to replace DRAM as main memory. Also, PCM provides new challenges for researchers to integrate it in the system memory hierarchy. Currently, there are several approaches provided to leverage the features of PCM to improve...
Checkpoint-restart techniques are very important fault-tolerance approaches for these systems. As we know, the overhead of checkpoint will influence the system performance seriously. Incremental checkpoint is a well researched technique to reduce the overhead of checkpoint. However, huge memory footprints of parallel applications place severe limitations on scalability of conventional incremental...
Transactional memory has been proposed as an alternative to the traditional lock-based approach to express and manage concurrency in the multicore era. Among transactional memory techniques, software transactional memory (STM) is the most flexible and widely researched. However, researches show that STM suffers performance problem. In this pager, we present an overhead model for STM and our model...
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