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Counter-mode encryption has been widely used to resist NVMs from malicious attacks, due to its proved security and high performance. However, this scheme suffers from the counter size versus re-encryption problem, where per-line counters must be relatively large to avoid counter overflow, or re-encryption of the entire memory is required to ensure security. In order to address this problem, we propose...
In order to maintain the transactional semantics, Transactional Memory (TM) must guarantee isolated read and write operations in each transaction, meaning that it must spend a non-negligible and potentially significant amount of time on keeping track of the transactional modifications in its undo or redo log and switching to the proper version at the end of each transaction. Existing TMs failed to...
As more threads added to execute the multi-threaded applications in the many-core era, memory contentions among different threads impose a severe challenge to both the programmability and performance. Existing studies show that Transactional Memory (TM) is able to solve the programmability problem and scale well on the fine-grained applications in the SPLASH-2 benchmark suite. As more investigations...
Storage management server, compatible with decoupled data and meta data fashion, is being employed frantically to build large-scale distributed storage system for performance and capacity. To design this hot commodity on flexibly managing the extracted data with little meta data but extended attributes has become a big challenge. This paper breaks a new way to object orient store and implement the...
One of the challenging issues in performance evaluation of parallel storage systems through synthetic-trace-driven simulation is to accurately characterize the I/O demands of data-intensive scientific applications. This paper analyzes several I/O traces collected from different distributed systems and concludes that correlations in parallel I/O inter-arrival times are inconsistent, either with little...
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