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This paper presents a method to protect iterative solvers from Detected and Uncorrected Errors (DUE) relying on error detection techniques already available in commodity hardware. Detection operates at the memory page level, which enables the use of simple algorithmic redundancies to correct errors. Such redundancies would be inapplicable under coarse grain error detection, but become very powerful...
The computing market has been dominated during the last two decades by the well-known convergence of the high-performance computing market and the mobile market. In this paper we witness a new type of convergence between the mission-critical market (such as avionic or automotive) and the mainstream consumer electronics market. Such convergence is fuelled by the common needs of both markets for more...
In single-threaded processors and Symmetric Multiprocessors the execution time of a task depends on the other tasks it runs with (the workload), since the Operating System (OS) time shares the CPU(s) between tasks in the workload. However, the time accounted to a task is roughly the same regardless of the workload in which the task runs in, since the OS takes into account those periods in which the...
Recent studies have shown that cache partitioning is an efficient technique to improve throughput, fairness and Quality of Service (QoS) in CMP processors. The cache partitioning algorithms proposed so far assume Least Recently Used (LRU) as the underlying replacement policy. However, it has been shown that the true LRU imposes extraordinary complexity and area overheads when implemented on high associativity...
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