Memory hierarchy

Xem 1-17 trên 17 kết quả Memory hierarchy
  • Principle of Locality: Programs access a small proportion of their address space at any time. Temporal locality: Items accessed recently are likely to be accessed again soon, e.g., instructions in a loop, induction variables. Spatial locality: Items near those accessed recently are likely to be accessed soon, E.g., sequential instruction access, array data.

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  • Computer technology has made incredible progress in the past half century. In 1945, there were no stored-program computers. Today, a few thousand dollars will purchase a personal computer that has more performance, more main memory, and more disk storage than a computer bought in 1965 for $1 million. This rapid rate of improvement has come both from advances in the technology used to build computers and from innovation in computer design. While technological improvements have been fairly steady, progress arising from better computer architectures has been much less consistent.

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  • This paper analyses the relation between the use of similarity in Memory-Based Learning and the notion of backed-off smoothing in statistical language modeling. We show that the two approaches are closely related, and we argue that feature weighting methods in the Memory-Based paradigm can offer the advantage of automatically specifying a suitable domainspecific hierarchy between most specific and most general conditioning information without the need for a large number of parameters. We report two applications of this approach: PP-attachment and POStagging. ...

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  • Computer Architecture: Chapter 5 presents about Random Access Memory and its Structure, Memory Hierarchy and the need for Cache Memory, The Basics of Caches, Cache Performance and Memory Stall Cycles, Improving Cache Performance, Multilevel Caches.

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  • This edition of Fundamentals of Computer Graphics adds four new contributed chapters and contains substantial reorganizations and improvements to the core material. The new chapters add coverage of implicit modeling and of two important graphics applications: games and information visualization. The fourth new contributed chapter is a major upgrade to the material on color science. As with the chapters added in the second edition, we have chosen the contributors both for their expertise and for their clear way of expressing ideas....

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  • Tham khảo sách 'computer architecture design', kỹ thuật - công nghệ, điện - điện tử phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • The computing world today is in the middle of a revolution: mobile clients and cloud computing have emerged as the dominant paradigms driving programming and hardware innovation today. The Fifth Edition of Computer Architecture focuses on this dramatic shift, exploring the ways in which software and technology in the cloud are accessed by cell phones, tablets, laptops, and other mobile computing devices. Each chapter includes two real-world examples, one mobile and one datacenter, to illustrate this revolutionary change....

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  • New knowledge and tools are constantly expanding the range of applications for semiconductor devices, integrated circuits, and electronic packages.

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  • Memory is pervasive in digital products. Consider, for example, the personal computer (PC). It has main memory, video memory, translation ROMs, shadow ROMs, scratchpad memory, hard disk, floppy disk, CDROM, and various other kinds of storage distributed throughout. In addition, the die that contains the microprocessor may also contain one or more levels of cache. A typical PC is depicted in the block diagram of Figure 10.1. It is basically a memory hierarchy connected by several buses and adapters and controlled by a CPU. ...

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  • A NEW CHALLENGE FOR APPLICATION DEVELOPERS Scientific and engineering applications have driven the development of high-performance computing (HPC) for several decades. Many new techniques have been developed over the years to study increasingly complex phenomena using larger and more demanding jobs with greater throughput, fidelity, and sophistication than ever before.

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  • Many of the differences we see in Russian and Chinese fiscal institutions today can be attributed to differences in the initial command economies of the Soviet Union and China. On the eve of economic reform, the Soviet Union and China shared many common features of the command economy, including state ownership of industry, collectivized agriculture, the centralized coordination of economic activities by an administrative hierarchy taking its direction from a Communist Party, an absence of true market prices, and the lack of legal alternatives to administrative plans.

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  • Lesson Inheritance includes about inheritance basics; Motivation - repeated code; Inheritance syntax; Memory allocation; Use of base services; Inheritance hierarchy; Single inheritance only; Meaning of inheritance; Protected access.

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  • CS6290 Caches presents Locality and Caches, Storage Hierarchy and Locality, Memory Latency is Long, Cache Basics, Cache Placement, Cache Identification, Cache Replacement, Implementing LRU, Approximating LRU.

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  • [ Team LiB ] 9.5 Useful System Tasks In this section, we discuss the system tasks that are useful for a variety of purposes in Verilog. We discuss system tasks [1] for file output, displaying hierarchy, strobing, random number generation, memory initialization,

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  • The main goal of Grid programming is the study of programming models, tools, and methods that support the effective development of portable and high-performance algorithms and applications on Grid environments. Grid programming will require capabilities and properties beyond that of simple sequential programming or even parallel and distributed programming.

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  • In this paper, we show that such seemingly minor information leaks can have more serious consequences than the system designer thought. We present a new at- tack in which a malicious user can eavesdrop on others’ keystrokes using nothing but her non-privileged account. Our attack takes advantage of the information disclosed by procfs [19], the process file system supported by most Unix-like operating systems such as Linux, BSD, Solaris and IBM AIX.

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  • A new account of parameter setting during grammatical acquisition is presented in terms of Generalized Categorial G r a m m a r embedded in a default inheritance hierarchy, providing a natural partial ordering on the setting of parameters. Experiments show that several experimentally effective learners can be defined in this framework. Ew)lutionary simulations suggest that a lea.rner with default initial settings for parameters will emerge, provided that learning is memory limited and the environment of linguistic adaptation contains an appropriate language. ...

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