سایت CEB:ترجمه تخصصی رشته کامپیوتر - معرفی و دانلود کتب انگلیسی رشته کامپیوتر

امتیاز کاربران

ستاره فعالستاره فعالستاره فعالستاره فعالستاره فعال

انتشارات: Prentice-Hall, Inc.

اثر: Selim G. Akl

تعداد صفحه: 415

حجم: 14.6MB

جلد کتاب

توضیحات کتاب (خلاصه پیشگفتار):

The need for ever faster computers has not ceased since the beginning of the computer era. Every new application seems to push existing computers to their limit. The number of operations a computer can do in one second has doubled, roughly every two years, over the past forty years. This is very impressive, but how long can it last? It is generally believed that the trend will remain until the end of this century. It may even be possible to maintain it a little longer by using optically based or even biologically based components. What happens after that?

Already, computers faster than any available today are needed to perform the enormous number of calculations involved in developing cures to mysterious diseases. They are essential to applications where the human ability to recognize complex visual and auditory patterns is to be simulated in real time. And they are indispensable if we are to realize many of humanity's dreams, ranging from reliable long-term weather forecasting to interplanetary travel and outer space exploration. It appears now that parallel processing is the way to achieve these desired computing speeds.

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امتیاز کاربران

ستاره غیر فعالستاره غیر فعالستاره غیر فعالستاره غیر فعالستاره غیر فعال

انتشارات: Cengage Learning

اثر: Russ Miller & Laurence Boxer

تعداد صفحه: 450

حجم: 7.31MB

جلد کتاب

توضیحات کتاب (ترجمه‌ی خلاصه‌ی پیشگفتار کتاب):

محاسبات کارآ نیازمند طراحی، تحلیل، پیاده‌سازی، و ارزیابی الگوریتم‌ها در مسائل مورد اهتمام است. مسائل محاسباتی از دل طیف متنوعی از عرصه‌ها می‌آیند؛ علم، مهندسی، کار، ورزش، معماری، درمان، مدیریت، اقتصاد، روانشناسی، جامعه شناسی، و سرگرمی تنها بخشی از این عرصه‌ها هستند. بعلاوه، در فیلد علم و مهندسی محاسبات - که شق سوم و مکمل دو نوع علم تئوری و آزمایشگاهی است - چالش‌های مهیجی وجود دارد. علم و مهندسی محاسبات، علوم کامپیوتری و ریاضیات را با تخصص رشته‌هایی چون زیست شناسی، شیمی، فیزیک، و دیگر فیلدهای کاربردی علم و مهندسی زیر یک چتر می‌آورد. پروژه‌های بین رشته‌ای در عرصه‌های علم، تکنولوژی، مهندسی، و ریاضیات - برای شبیه‌سازی و مدل کردن محیط‌های فیزیکی و انسانی - معمولاً به الگوریتم‌های کارآیی نیاز دارند که روی رایانه‌های قدرتمند اجرا می‌شوند.

با تکنولوژی کنونی، به سختی می‌توان افزایش چشمگیری را در توانایی چیپ‌های کامپیوتری انتظار داشت، و به همین ترتیب، در مورد سرعت پردازنده‌های کلاسیک. لذا چون نیاز به قدرت محاسباتیِ بیشتر همواره ادامه دارد، طراحی سیستم‌های کامپیوتری امروزی به سمت معماری‌هایی گرایش پیدا کرده است که شامل چند واحد پردازشگر هستند. امروزه به سختی می‌توان رایانه‌ای را یافت که بدون چند پردازنده و یا چند هسته ساخته شود و بسیاری از رایانه‌ها دارای واحدهای پردازشگر گرافیگی هستند که با کمک تعداد زیادی پردازنده به ارتقای محیط بازی و یا شبیه‌سازی کمک می‌کنند.

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امتیاز کاربران

ستاره غیر فعالستاره غیر فعالستاره غیر فعالستاره غیر فعالستاره غیر فعال

انتشارات: Oxford University Press

 اثر: Ray Greenlaw, Jim Hoover, Larry Ruzzo

تعداد صفحه: 327

حجم: 1.14MB

جلد کتاب

توضیحات کتاب (خلاصه پیشگفتار):

This book is an introduction to the rapidly growing theory of P-completeness — the branch of complexity theory that focuses on identifying the “hardest” problems in the class P of problems solvable in polynomial time. P-complete problems are of interest because they all appear to lack highly parallel solutions. That is, algorithm designers have failed to find NC algorithms, feasible highly parallel solutions that take time polynomial in the logarithm of the problem size while using only a polynomial number of processors, for them. Consequently, the promise of parallel computation, namely that applying more processors to a problem can greatly speed its solution, appears to be broken by the entire class of P-complete problems. This state of affairs is succinctly expressed as the following question: Does P equal NC?

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امتیاز کاربران

ستاره غیر فعالستاره غیر فعالستاره غیر فعالستاره غیر فعالستاره غیر فعال

انتشارات: Taylor & Francis Group, LLC (Chapman & Hall/CRC)

اثر: Jacques Mohcine Bahi, Sylvain Contassot-Vivier, & Raphael Couturier

تعداد صفحه: 225

حجم: 935KB

جلد کتاب

توضیحات کتاب (خلاصه مقدمه):

Computer science is quite a young research area. However, it has already been subject to several major advance steps which, in general, have been closely linked to the technological progresses of the machine components. It can easily be assumed that the current evolution takes place at the level of the communication networks whose quality, either on the reliability or the efficiency levels, begins to be satisfying on large scales.

Beyond the practical interest of the data transfers, this implies a new vision of the computer tool in scientific computing. The last advances in large scale networks have permitted the emergence of clusters of clusters. Those meta-clusters are then commonly composed of heterogeneous machines linked together by a communication network generally not complete and whose links are also heterogeneous.

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امتیاز کاربران

ستاره غیر فعالستاره غیر فعالستاره غیر فعالستاره غیر فعالستاره غیر فعال

انتشارات: Addison Wesley

اثر: Ananth Grama, Anshul Gupta, George Karypis, Vipin Kumar

تعداد صفحه: 856

حجم: 5.98MB

جلد کتاب

توضیحات کتاب (خلاصه پیشگفتار):

A significant portion of the current generation of platforms consists of inexpensive clusters of workstations, and multiprocessor workstations and servers. Whereas most machines a decade back relied on custom APIs for messaging and loop-based parallelism, current models standardize these APIs across platforms. With respect to applications, fluid dynamics, structural mechanics, and signal processing formed dominant applications a decade back. These applications continue to challenge the current generation of parallel platforms. However, a variety of new applications have also become important. These include data-intensive applications such as transaction processing and information retrieval, data mining and analysis, and multimedia services. Applications in emerging areas of computational biology and nanotechnology pose tremendous challenges for algorithms and systems development. Changes in architectures, programming models, and applications are also being accompanied by changes in how parallel platforms are made available to the users in the form of grid-based services.

This evolution has a profound impact on the process of design, analysis, and implementation of parallel algorithms. Whereas the emphasis of parallel algorithm design a decade back was on precise mapping of tasks to specific topologies such as meshes and hypercubes, current emphasis is on programmability and portability, both from points of view of algorithm design and implementation. To this effect, where possible, this book employs an architecture independent view of the underlying platforms and designs algorithms for an abstract model. With respect to programming models, Message Passing Interface (MPI), POSIX threads, and OpenMP have been selected. The evolving application mix for parallel computing is also reflected in various examples in the book.

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امتیاز کاربران

ستاره فعالستاره فعالستاره فعالستاره فعالستاره فعال

انتشارات: Kluwer Academic Publishers

اثر: Behrooz Parhami

تعداد صفحه: 557

حجم: 3.3MB

جلد کتاب

توضیحات کتاب (خلاصه پیشگفتار):

The field of digital computer architecture has grown explosively in the past two decades. Through a steady stream of experimental research, tool-building efforts, and theoretical studies, the design of an instruction-set architecture, once considered an art, has been transformed into one of the most quantitative branches of computer technology. At the same time, better understanding of various forms of concurrency, from standard pipelining to massive parallelism, and invention of architectural structures to support a reasonably efficient and user-friendly programming model for such systems, has allowed hardware performance to continue its exponential growth. This trend is expected to continue in the near future.

The six parts of this book, each composed of four chapters, have been written with the following goals:

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امتیاز کاربران

ستاره غیر فعالستاره غیر فعالستاره غیر فعالستاره غیر فعالستاره غیر فعال

انتشارات: John Wiley & Sons, Inc.

اثر: Fayez Gebali

تعداد صفحه: 365

حجم: 4.89MB

جلد کتاب

توضیحات کتاب:

There is a software gap between hardware potential and the performance that can be attained using today ’ s software parallel program development tools. This book is intended to give the programmer the techniques necessary to explore parallelism in algorithms, serial as well as iterative. We can find parallel computers in our laptops, desktops, and embedded in our smart phones. The applications and algorithms targeted to parallel computers were traditionally confined to weather prediction, wind tunnel simulations, computational biology, and signal processing. Nowadays, just about any application that runs on a computer will encounter the parallel processors now available in almost every system.

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امتیاز کاربران

ستاره غیر فعالستاره غیر فعالستاره غیر فعالستاره غیر فعالستاره غیر فعال

انتشارات: Oxford University Press

اثر: Justin R. Smith

تعداد صفحه: 470

حجم: 1.85MB

جلد کتاب

توضیحات کتاب (خلاصه پیشگفتار):

I was frustrated by the lack of texts that had the focus that I wanted. Although the book also addresses some architectural issues, the main focus is on the development of parallel algorithms on “massively parallel” computers. This book could be used in several versions of a course on Parallel Algorithms. We tend to focus on SIMD parallel algorithms in several general areas of application:

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