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Proceedings of the 16th annual international symposium on computer architecture

作者： J. M. Mulder R. J. Portier A. Srivastava R. in't Velt Section Digital Systelns and Computer Architecture Department of Electrical Engineering Delft University of Technology POBox 5031260O AG Delft The Netherlands

ISBN: (纸本)9780897913195

Two major limitations concerning the design of cost-effective application-specific architectures are the recurrent costs of system-software development and hardware implementation, in particular VLSI implementation, for each *** SCalable architecture Experiment (SCARCE) aims to provide a framework for application-specific processor design. The framework allows scaling of functionality, implementation complexity, and performance. The SCARCE framework consists and will consist of: an architecture framework defining the constraints for the design of application-specific architectures; tools for synthesizing architectures from application or application-area; VLSI cell libraries and tools for quick generation of application-specific processors; a system-software platform which can be retargeted quickly to fit the application-specific architecture;This paper concentrates primarily on the architecture framework of SCARCE, but also presents briefly some software issues and outlines the process of generating VLSI processors.

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Preface

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Lecture Notes in computer science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 1989年 366 LNCS卷 V-IV页

作者： Odijk, Eddy A. M. Rein, Martin Syre, Jean-Claude Philips Research Laboratories Computer Architecture P.O. Box 80.000 Eindhoven5600 JA Netherlands Department of Computer Science Eindhoven University of Technology P O. Box 513 Eindhoven5600 MB Netherlands ECRC European Computer Industry Research Centre Computer Architecture Arabellastr. 17 München 81D-8000 Germany

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Preface

Lecture Notes in Computer Science (including subseries Lectu...

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Lecture Notes in computer science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 1989年 365 LNCS卷 III-IV页

作者： Odijk, Eddy A. M. Rem, Martin Syre, Jean-Claude Philips Research Laboratories Computer Architecture P.O. Box 80.000 Eindhoven5600 JA Netherlands Department of Computing Science Eindhoven University of Technology PO. Box 513 Eindhoven5600 MB Netherlands ECRC European Computer Industry Research Centre Computer Architecture Arabellastr. 17 München 81D-8000 Germany

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THE QUANTIFICATION OF INTEROPERABILITY

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NAVAL ENGINEERS JOURNAL 1989年第3期101卷 251-256页

作者： MENSH, DR KITE, RS DARBY, PH Dennis Roy Mensh:is currently the task leader Interoperability Project with the MITRE Corporation in McLean Va. He received his B.S. and M.S. degrees in applied physics from Loyola College in Baltimore Md. and the American University in Washington D. C. He also has completed his course work towards his Ph.D. degree in computer science specializing in the fields of systems analysis and computer simulation. He has been employed by the Naval Surface Warfare Center White Oak Laboratory Silver Spring Md. for 20 years in the areas of weapon system analysis and the development of weapon systems simulations. Since 1978 he has been involved in the development of tools and methodologies that can be applied to the solution of shipboard combat system/battle force system architecture and engineering problems. Mr. Mensh is a member of ASNE MORS IEEE U.S. Naval Institute MAA and the Sigma Xi Research Society. Robert S. Kite:is a systems engineer with the Naval Warfare Systems Engineering Department of the MITRE Corporation in McLean Va. Mr. Kite received his B.S. degree in electronic engineering from The Johns Hopkins University in Baltimore Md. Mr. Kite retired from the Federal Communications Commission in 1979 and served a project manager of the J-12 Frequency Management Support Project for the Illinois Institute of Technology Research Institute in Annapolis Md. before joining MITRE. Mr. Kite is presently a member of ASNE the Military Operations Research Society and an associate member of Sigma Xi. Paul H. Darby:has worked in the field of interoperability both in the development of interoperability concepts and systems since joining the Department of the Navy in 1967. He was the Navy's program manager for the WestPacNorth TACS/ TADS and IFFN systems. He is currently head of the Interoperability Branch Warfare Systems Engineering Office Space and Naval Warfare Systems Command. He holds a B.S. from the U.S. Naval Academy.

JCS Pub 1 defines interoperability as “The ability of systems, units or forces to provide services to and accept services from other systems, units or forces and to use the services so exchanged to enable them to operate effectively together.” With JCS Pub 1 as a foundation, interoperability of systems, units or forces can be factored into a set of components that can quantify interoperability. These components are: media, languages, standards, requirements, environment, procedures, and human factors. The concept described in this paper uses these components as an analysis tool to enable specific detailed analyses of the interoperability of BFC3 systems, units, or forces for the purpose of uncovering and resolving interoperability issues and problems in the U.S. Navy, Joint, and Allied arenas. Also, as a management tool, the components can help determine potential interoperability characteristics of future U.S. Navy BFC3 systems for compliance with battle force systems architectures. The approach selected for the quantification of interoperability was the development of a set of measures of performance (MOPs) and measures of effectiveness (MOEs). The MOPs/MOEs were integrated with a candidate set of components, which were used to partition the totality of interoperability into measurable entities. The methodology described employs basic truth table theory in conjunction with logic equations to evaluate the interoperability components in terms of MOPs that were aggregated to MOEs. It is believed that this concept, although elementary and based on fundamental principles, represents an operationally significant approach rather than a theoretical approach to the quantification of interoperability. The vehicle used as a means to measure the MOPs and MOEs was the Research Evaluation and Systems Analysis (RESA) computer modeling and simulation capability at the Naval Ocean Systems Center (NOSC), San Diego, Calif. Data for the measurements were collected during a Tactical I

关键词： Military Engineering

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ESTIMATION OF STRUCTURAL SERVICE LIFE OF SHIPS

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NAVAL ENGINEERS JOURNAL 1989年第3期101卷 156-166页

作者： AYYUB, BM WHITE, GJ PURCELL, ES P.E. Bilal M. Ayyub:is currently an associate professor of civil engineering at the University of Maryland. He received his B.S. degree in civil engineering from the University of Kuwait in 1980. He completed both his M.S. (1981) and Ph.D. (1983) in civil engineering at the Georgia Institute of Technology. Dr. Ayyub has an extensive background in risk-based analysis and design simulation and construction engineering. He is engaged in research work involving structural reliability bridges marine structures and mathematical modeling using the theories of probability statistics and fuzzy sets. His research work is sponsored by the National Transportation Safety Board the National Science Foundation the U.S. Coast Guard the State of Maryland and the University of Maryland. Dr. Ayyub is a member of ASNE the American Society of Civil Engineers (ASCE) the American Concrete Institute (ACI) the Committee on Forensic Engineering of ASCE and the Committee on Structural Safety of ACI. He is the author of more than three dozen publications in national and international journals conference proceedings and reports. Dr. Ayyub received the ASNE “Jimmie” Hamilton Award for 1985 and the ASCE “Outstanding Research Oriented Paper” in the Journal of Water Resources Planning and Management for 1987. Gregory J. White:is an associate professor of naval architecture at the U.S. Naval Academy. He received his B.S. degree in engineering mechanics from Vanderbilt University in 1975 an M.E. degree in naval architecture from the University of California Berkeley in 1981 and a Ph.D. in civil engineering (structures) from the University of Maryland in 1986. Dr. White served on active duty with the U.S. Navy from 1975 to 1979 as a junior officer in the engineering and operations departments of Pacific Fleet destroyers. Prior to coming to the Naval Academy he worked at Mare Island Naval Shipyard in the scientific code and in the R&D division of Exxon International Company's Tanker Department. Dr. White is a lieutenant commande

A methodology for the structural life assessment of a ship's structure is suggested. The methodology is based on probabilistic analysis using reliability concepts and the statistics of extremes. In this approach, the estimation of structural life expectancy is based on selected failure modes. All possible failure modes of the ship must be investigated and the most likely paths to structural failure identified. For the purpose of illustration two failure modes are considered in this study. They are plate plastic deformation and fatigue cracking. Structural life based on these two failure modes is determined for an example vessel. The methodology determines the probability of failure of the ship's structural components according to the identified failure modes as a function of time. The results can be interpreted as the cumulative probability distribution function (CDF) of structural life. Due to the unknown level of statistical correlation between failure modes, limits or bounds on the CDF of the structural life are established. The limits correspond to the extreme cases of fully correlated and independent failure modes. The CDFs of structural life are determined for two inspection strategies; namely, inspection every year and inspection every two years with a warranty inspection at the end of the first year. The meaning of the results for the case investigated in this study is that, for example, given an inspection strategy of two years and a desired life of 15 years, there is a 72% chance that the vessel will not experience enough partial damage‘ in the failure modes identified to constitute reaching the “end of structural life” as defined.

关键词： Ships

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A project management support tool based on feedback loop technique

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Annual Review in Automatic Programming 1988年第PART 2期14卷 15-20页

作者： Ditt, W Schlehofer, U University of Dortmund Software Technology Section Department of Computer Science D-4600 Dortmund 50 P.O. Box 500 500 Germany

In this paper we present a project management support Tool, named PMST, which is designed according to feedback loop techniques. PMST consists of three components: the first component supports the project management of a single project. The second component adapts the first component according to the results of terminated projects;so that the support of further projects is improved. Both components has been designed as feedback loop. The third component is a project data base which is the interconnection of several projects. © 1990.

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A Project Management Support Tool based on Feedback Loop Technique

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IFAC Proceedings Volumes 1988年第14期21卷 15-20页

作者： W. Ditt U. Schlehofer University of Dortmund Software Technology Section Department of Computer Science P.O. Box 500 500 D-4600 Dortmund 50 FRG

In this paper we present a project management support Tool, named PMST, which is designed according to feedback loop techniques. PMST consists of three components: the first component supports the project management of a single project. The second component adapts the first component according to the results of terminated projects; so that the support of further projects is improved. Both components has been designed as feedback loop. The third component is a project data base which is the interconnection of several projects.

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Efficient macro-code emulation in hardwired pipelined processors 21

Efficient macro-code emulation in hardwired pipelined proces...

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Proceedings of the 21st annual workshop on Microprogramming and microarchitecture

作者： J. M. Mulder R. J. Portier A. Srivastava R. in't Velt Section Digital Systems and Computer Architecture Department of Electrical Engineering Delft University of Technology POBox 5031 2600 AG Delft The Netherlands

ISBN: (纸本)9780818619199

Traditionally microcoded computers have been the ideal machines for implementing scalable architectures. These machines easily implement application-specific functionality in microcode and they allow architecturally transparent variation of cost/performance by trading off application code, microcode, and hardware. In contrast, hardwired machines are intrinsically incapable of implementing scalability, because they only implement a single level of interpretation. Recent RISC designs have introduced architectural features which partly resolve the scalability issues. They implement architectural openendness to allow application-specific functionality to be added to the architecture (by means of coprocessors and special function units). Additionally they define functions which, depending on application, cost, and performance, can be implemented in hardware or, by means of emulation, in *** identical from an abstract point of view, scalability by means of microprogramming and by means of emulation on a hardwired machine is significantly different. This paper describes the emulation facility provided in SCARCE (SCalable architecture Experiment), a streamlined architecture specifically designed for a wide range of embedded applications, requiring high performance. While architecturally transparent, this emulation facility operates with little overhead (8 cycles), adds three control registers, and is always interruptible. By increasing the hardware investment, the overhead could be decreased to 4 cycles per trap.

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A critical assessment of hypertext systems 88

A critical assessment of hypertext systems

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1988 SIGCHI Conference on Human Factors in Computing Systems, CHI 1988

作者： Fischer, Gerhard Weyer, Stephen A. Jones, William P. Kay, Alan C. Kintsch, Walter Trigg, Randall H. Department of Computer Science Institute of Cognitive Science University of Colorado Campus Box 430 BoulderCO80309 United States Advanced Technology Group Apple Computer Inc. 20525 Mariani Avenue MS: 22C CupertinoCA95014 United States Arthur D. Little Inc. Artificial Intelligence Section Bldg. 35 Acron Park CambridgeMA02140 United States Vivarium Project Apple Computer Inc. 12212 Octagon St. Los AngelesCA90049 United States Institute of Cognitive Science University of Colorado Campus Box 345 BoulderCO80309 United States Intelligent Systems Laboratory Xerox Palo Alto Research Center 3333 Coyote Hill Road Palo AltoCA94304 United States

ISBN: (纸本)0201142376

Over forty years ago, Vannevar Bush articulated his vision of a “Memex” machine: “associative indexing, … whereby any item may be caused at will to select immediately and automatically another” [Bush 45]. In the sixties, Engelbart [Engelbart, English 68] built collaborative systems to provide idea structuring and sharing. Nelson [Nelson 81] coined “hypertext” and proposed world-wide networks for publishing, linking, annotating and indexing multiple versions of documents. With increasing numbers of research projects, papers, panels and conferences, and commercially available systems (e.g. Notecards by Xerox, Guide by Owl and HyperCard by Apple) in recent years, hypertext may be an idea whose time has finally come — or at least a phenomenon not to be *** goal of this panel is not to define hypertext or hypermedia (at its simplest: non-linearly arranged and accessed information), debate its uniqueness, explain implementation issues, or survey the many applications and contributions in the field (see [Conklin 87] for an excellent survey of Hypertext, and the Proceedings of Hypertext '87 Workshop at University of North Carolina, Chapel Hill). Rather, we intend to approach it from the perspective of the information user: reader, searcher, author. The panel will address the following issues:Are the processes of authoring and understanding helped or hindered by the non-linear structure of hypertext, for which kinds of tasks and users? What is the difference between a hypertext writer and a knowledge engineer? In searching for information, what is the difference between browsing and querying?What experiments need to be done? What tools, environment or interfaces can improve the process of information creation and access? Can the overhead of creating or interpreting structure be reduced?When will hypertext replace paper, or should it? How do functions of author and reader co-evolve? Could this revolutionize society like the printing press? Why didn't the panelists cre

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The spacecraft encounters of comet Halley

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Eos, Transactions American Geophysical Union 1986年第20期67卷 478-481页

作者： Mendis, D. Asoka Tsurutani, Bruce T. Department of Electrical Engineering and Computer Sciences Center for Space Science University of California San Diego California United States Space Physics and Astrophysics Section Jet Propulsion Laboratory California Institute of Technology Pasadena California United States

During its 30th historically recorded and fourth predicted apparition, Comet Halley (the most famous of comets) was visited by five spacecraft from three space agencies, carrying a total complement of 44 scientific instruments. Since Comet Halley has a retrograde motion around the sun in an orbit that is inclined at 162° to the ecliptic plane, all the encounters were fast flybys around the time that the comet crossed the ecliptic plane on March 10, 1986 (descending node). ©1986. American Geophysical Union. All Rights Reserved.

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