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Scalable hardware memory disambiguationSethumadhavan, Lakshminarasimhan, 1978- 29 August 2008 (has links)
Not available
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Interleaved concalenated coding for input-constrained channelsAnim-Appiah, Kofi Dankwa 12 1900 (has links)
No description available.
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A trace-driven simulation study of cache memoriesXiong, Bo January 1989 (has links)
The purpose of this study is to explore the relationship between hit ratio of cache memory and design parameters. Cache memories are widely used in the design of computer system architectures to match relatively slow memories against fast CPUs. Caches hold the active segments of a program which are currently in use. Since instructions and data in cache memories can be referenced much faster than the time required to access main memory, cache memories permit the execution rate of the machine to be substantially increased. In order to function effectively, cache memories must be carefully designed and implemented. In this study, a trace-driven simulation study of direct mapped, associative mapped and set-associative mapped cache memories is made. In the simulation, cache fetch algorithm, placement policy, cache size and various parameters related to cache design and the resulting effect on system performance is investigated. The cache memories are simulated using the C language and the simulation results are analyzed for the design and implementation of cache memories. / Department of Physics and Astronomy
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Memory region: a system abstraction for managing the complex memory structures of multicore platformsLee, Min 13 January 2014 (has links)
The performance of modern many-core systems depends on the effective use of their complex cache and memory structures, and this will likely become more pronounced with the impending arrival of on-chip 3D stacked and non-volatile off-chip byte-addressable memory. Yet to date, operating systems have not treated memory as a first class schedulable resource, embracing memory heterogeneity. This dissertation presents a new software abstraction, called ‘memory region’, which denotes the current set of physical memory pages actively used by workloads. Using this abstraction, memory resources can be scheduled for applications to fully exploit a platform's underlying cache and memory system, thereby gaining improved performance and predictability in execution, particularly for the consolidated workloads seen in virtualized and cloud computing infrastructures. The abstraction's implementation in the Xen hypervisor involves the run-time detection of memory regions, the scheduled mapping of these regions to caches to match performance goals, and maintaining region-to-cache mappings using per-cache page tables. This dissertation makes the following specific contributions. First, its region scheduling method proposes that the location of memory blocks rather than CPU utilization is the principal determinant where workloads are run. It proposes a new scheduling method, the region scheduling that the location of memory blocks determines where the workloads are run. Second, treating memory blocks as first-class resources, new methods for efficient cache management are shown to improve application performance as well as the performance of certain operating system functions. Third, explicit memory scheduling makes it possible to disaggregate operating systems, without the need to change OS sources and with only small markups of target guest OS functionality. With this method, OS functions can be mapped to specific desired platform components, such as file system confined to running on specific cores and using only certain memory resources designated for its use. This can improve performance for applications heavily dependent on certain OS functions, by dynamically providing those functions with the resources needed for their current use, and it can prevent performance-critical application functionality from being needlessly perturbed by OS functions used for other purposes or by other jobs. Fourth, extensions of region scheduling can also help applications deal with the heterogeneous memory resources present in future systems, including on-chip stacked DRAM and NUMA or even NVRAM memory modules. More generally, regions scheduling is shown to apply to memory structures with well-defined differences in memory access latencies.
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An approach for enhanced management of network-attached devicesMcMahon, Michael J. January 2007 (has links)
Thesis (M.S.)--University of Nevada, Reno, 2007. / "May, 2007." Includes bibliographical references (leaves 107-110). Online version available on the World Wide Web.
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Surface chemistry of FeHx with dielectric surfaces towards directed nanocrystal growth /Winkenwerder, Wyatt August, January 1900 (has links)
Thesis (Ph. D.)--University of Texas at Austin, 2008. / Vita. Includes bibliographical references.
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Dynamic partitioned global address spaces for high-efficiency computingYoung, Jeffrey. January 2008 (has links)
Thesis (M. S.)--Electrical and Computer Engineering, Georgia Institute of Technology, 2009. / Committee Chair: Yalamanchili, Sudhakar; Committee Member: Riley, George; Committee Member: Schimmel, David. Part of the SMARTech Electronic Thesis and Dissertation Collection.
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L2 cache replacement based on inter-access time per access count predictionZhang, Xiushan. January 2009 (has links)
Thesis (M.S.)--State University of New York at Binghamton, Thomas J. Watson School of Engineering and Applied Science, Department of Computer Science, 2009. / Includes bibliographical references.
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Supporting snapshots in a log-based file systemKatebi, Ataur Rahim. January 2004 (has links)
Thesis (M.S.)--University of Florida, 2004. / Title from title page of source document. Document formatted into pages; contains 85 pages. Includes vita. Includes bibliographical references.
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Design and analysis of high-performance and recoverable data storages /Xiao, Weijun, January 2009 (has links)
Thesis (Ph.D.) -- University of Rhode Island, 2009. / Typescript. Includes bibliographical references (leaves 128-137).
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