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With supercomputer system scaling up, the performance gap between compute and storage system increases dramatically. The traditional speedup only measures the performance of compute system. In this paper, we firstly propose the speedup metric taking into account the I/O constraint. The new metric unifies the computing and I/O performance, and evaluates practical speedup of parallel application under...
With supercomputer system scaling up, the performance gap between compute and storage system increases dramatically. The traditional speedup only measures the performance of compute system. In this paper, we firstly propose the speedup metric taking into account the I/O constraint. The new metric unifies the computing and I/O performance, and evaluates practical speedup of parallel application under...
Through analyzing the storage system requirements of supercomputer this paper designs a near-line storage system called NLSS based on the combination of HDFS (Hadoop distributed file system) and ZFS (Zettabyte file system). NLSS uses fat storage nodes (large storage servers) to build near-line storage clusters based on HDFS, and uses the ZFS file system to further enhance HDFS. NLSS effectively reduces...
With supercomputer system scaling up, the performance gap between computing and storage system increases dramatically. The traditional speedup only measures the performance of computing system. In this paper, we firstly propose the speedup metric taking into account the I/O constraint. The new metric unifies the computing and I/O performance, and evaluates practical speedup of parallel application...
Cloud computing is applauded as a promising IT solution for SMEs which are generally constrained by limited time, expertise and resources. However cloud implementation is a complex and evolutionary process. It is further complicated by the cloud technological characteristics, organizational contexts and concerns outside an organizational boundary. How can SMEs approach their cloud implementation in...
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