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Recently, the multi-tiered storage systems that are composed of hard disk drives (HDDs) and solid state disk drives (SSDs) have received significant attention. The multi-tiered storage system extends the storage hierarchy by using SSDs to cache data from the HDDs. Thus, how to cache the appropriate data on the SSDs becomes an important issue for the multi-tiered storage systems. Due to the tremendous...
The traditional Singular Value Decomposition(SVD) based recommendation system suffers from two key chal-lenges, namely, (1) the normal assumption is not an appropriateone since it is sensitive to outliers, which means the predictedmean would be changed a lot from the true value by the presenceof outliers, and (2) the penalty terms added on the feature vectorsare difficult to be settled in advance...
As multi-core processors become increasingly mainstream, architects have likewise become more interested in how best to make use of the computing capacity of the CPU, for instance, through multiple simultaneous threads or processes of execution with OpenMP or MPI. At the same time, the increasingly mature and prevailing virtualization technique in server consolidation and HPC promotes the emergence...
As multi-core processors become increasingly the mainstream, people have likewise become more interested in how best to make use of the computing capacity of the CPU. Although many methods, running multi-thread application for example, have been adopted to increase the CPU utilization, most multi-core PC's and workstation's CPU cycles are idle, even during peak hours. So it is an efficient solution...
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