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Object-based storage model is recently widely adopted both in industry and academia to support growingly data intensive applications in high-performance computing. However, the I/O prediction strategies which have been proven effective in traditional parallel file systems, have not been thoroughly studied under this new object-based storage model. There are new challenges introduced from object storage...
Data prefetching is an effective way to bridge the increasing performance gap between processor and memory. As computing power is increasing much faster than memory performance, we suggest that it is time to have a dedicated cache to store data access histories and to serve prefetching to mask data access latency effectively. We thus propose a new cache structure, named Data Access History Cache (DAHC),...
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