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Record Nr. |
UNISALENTO991003249179707536 |
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Autore |
Smith, James E. (James Edward), 1950- |
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Titolo |
Virtual machines [electronic resource] : versatile platforms for systems and processes / James E. Smith, Ravi Nair |
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Pubbl/distr/stampa |
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Amsterdam ; Boston : Morgan Kaufmann Publishers, 2005 |
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ISBN |
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Descrizione fisica |
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xxii, 638 p. : ill. ; 24 cm. |
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Altri autori (Persone) |
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Disciplina |
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Soggetti |
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Virtual computer systems |
Computer architecture |
System design |
Systèmes virtuels (Informatique) |
Ordinateurs - Architecture |
Systèmes, Conception de |
Electronic books. |
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Lingua di pubblicazione |
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Formato |
Risorsa elettronica |
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Livello bibliografico |
Monografia |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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Foreword -- Preface -- Chapter 1: Introduction to Virtual Machines -- Chapter 2: Emulation: Interpretation and Binary Translation -- Chapter 3: Process Virtual Machines -- Chapter 4: Dynamic Binary Optimization -- Chapter 5: High-Level Language Virtual Machine Architecture -- Chapter 6: High-Level virtual Machine Implementation -- Chapter 7: Codesigned Virtual Machines -- Chapter 8: System Virtual Machines -- Chapter 9: Multiprocessor Virtualization -- Chapter 10: Emerging Applications -- Appendix A: Real Machines -- References. |
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Sommario/riassunto |
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Virtual Machine technology applies the concept of virtualization to an entire machine, circumventing real machine compatibility constraints and hardware resource constraints to enable a higher degree of software portability and flexibility. Virtual machines are rapidly becoming an essential element in computer system design. They provide system security, flexibility, cross-platform compatibility, reliability, and resource efficiency. Designed to solve problems in combining and using major computer system components, virtual |
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machine technologies play a key role in many disciplines, including operating systems, programming languages, and computer architecture. For example, at the process level, virtualizing technologies support dynamic program translation and platform-independent network computing. At the system level, they support multiple operating system environments on the same hardware platform and in servers. Historically, individual virtual machine techniques have been developed within the specific disciplines that employ them (in some cases they arent even referred to as virtual machines), making it difficult to see their common underlying relationships in a cohesive way. In this text, Smith and Nair take a new approach by examining virtual machines as a unified discipline. Pulling together cross-cutting technologies allows virtual machine implementations to be studied and engineered in a well-structured manner. Topics include instruction set emulation, dynamic program translation and optimization, high level virtual machines (including Java and CLI), and system virtual machines for both single-user systems and servers. *Examines virtual machine technologies across the disciplines that use themoperating systems, programming languages and computer architecturedefining a new and unified discipline. *Reviewed by principle researchers at Microsoft, HP, and by other industry research groups. *Written by two authors who combine several decades of expertise in computer system research and development, both in academia and industry. |
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2. |
Record Nr. |
UNINA9910155013803321 |
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Autore |
Nowak Sylwia |
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Titolo |
Forecast Errors and Uncertainty Shocks / / Sylwia Nowak, Pratiti Chatterjee |
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Pubbl/distr/stampa |
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Washington, D.C. : , : International Monetary Fund, , 2016 |
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ISBN |
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9781475555530 |
1475555539 |
9781475555561 |
1475555563 |
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Descrizione fisica |
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1 online resource (15 pages) : illustrations (some color), tables |
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Collana |
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Altri autori (Persone) |
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Disciplina |
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Soggetti |
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Economic forecasting - United States |
Exports and Imports |
Inflation |
Macroeconomics |
Forecasting |
Forecasting and Other Model Applications |
Criteria for Decision-Making under Risk and Uncertainty |
Business Fluctuations |
Cycles |
Current Account Adjustment |
Short-term Capital Movements |
Price Level |
Deflation |
Prices, Business Fluctuations, and Cycles: General (includes Measurement and Data) |
International economics |
Economic Forecasting |
Economic growth |
Current account balance |
Economic forecasting |
Business cycles |
Balance of payments |
Prices |
United States |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Nota di bibliografia |
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Includes bibliographical references. |
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Sommario/riassunto |
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Macroeconomic forecasts are persistently too optimistic. This paper finds that common factors related to general uncertainty about U.S. macrofinancial prospects and global demand drive this overoptimism. These common factors matter most for advanced economies and G- 20 countries. The results suggest that an increase in uncertainty-driven overoptimism has dampening effects on next-year real GDP growth rates. This implies that incorporating the common structure governing forecast errors across countries can help improve subsequent forecasts. |
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