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International Symposium on VLSI Design, Automation and Test (VLSI-DAT)

作者： Sinha, Sharad Srikanthan, Thambipillai Nanyang Technol Univ Ctr High Performance Embedded Syst Singapore 637553 Singapore

ISBN: (纸本)9781424484997

High level synthesis using C/C++ code of applications is rapidly gaining ground. Code profiling has traditionally been used to select code blocks to implement in hardware by using ASICs, FPGAs or other programmable logic. We present a set of new hardware complexity metrics to reason about the suitability of a software function for its implementation by hardware synthesis. Our proposed metrics bring in the hardware aware perspective in the design process and overcome certain specific but important limitations inherent in code profiling based analysis. The metrics defined in the current work also help in design management and are applicable to innovative and future applications which are not fully developed to enable their code profiling.

关键词： C++ language C/C++ code Complexity theory Field programmable gate arrays Finite impulse response filter Hardware Mathematical model Measurement software code profiling hardware complexity metrics high level synthesis high level synthesis software functions

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Linking functions and Quality Attributes for software Evolution

Linking Functions and Quality Attributes for Software Evolut...

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19th Asia-Pacific software Engineering Conference (APSEC)

作者： Yang, Hongji Zheng, Shang Chu, William Cheng-Chung Tsai, Ching-Tsorng De Montfort Univ Software Technol Res Lab Leicester LE1 9BH Leics England Tunghai Univ Dept Comp Sci Taichung Taiwan

ISBN: (纸本)9780769549224

software quality properties, normally derived from non-functional requirements, are becoming more important for software. A main reason for software evolution is the unsatisfaction to software quality properties. When improving these properties through software evolution, it is essential to know whether software functions are affected and by how much. This paper proposes an approach to linking the functions with the quality properties of software for evolution via software architecture styles, aiming at contributing to (1) predicting evolution efforts and (2) transforming software for improving its quality.

关键词： software functions software Quality software Architecture software Evolution Program Transformation

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DEVELOPMENT AND APPLICATION OF A POWER-SYSTEM DIGITAL TRANSIENT RECORDER

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IEE PROCEEDINGS-C GENERATION TRANSMISSION AND DISTRIBUTION 1987年第5期134卷 368-376页

作者： CHOI, SS CARLSON, PJ ACET LTD OSBORNE PKWA 6017AUSTRALIA

This paper describes the features, hardware and software functions of a digital data-acquisition unit designed for monitoring and recording power-system transients. It has been configured for connection, via appropriate isolation units, to system voltage and current transformers. The raw digitised voltage and current quantities can either be stored directly onto magnetic data cartridges or be processed on-line to produce cycle-average voltage, power and frequency quantities before being stored onto the cartridges. These data, arranged in computer-compatible format, can then be readily accessed for off-line analysis work. Two application examples of this recorder, taken from recent field tests performed on a static-reactive-power compensated radial network, are included. The results are discussed and compared with those obtained from simulation studies.

关键词： Data acquisition systems off-line analysis Power engineering computing digital transient recorder power system measurement cycle-average power on-line processing simulation studies digital instrumentation monitoring data acquisition unit cycle-average frequency hardware data acquisition Power system measurement and metering Transformers and reactors transients magnetic data cartridges digitised current static-reactive-power compensated radial network power-system potential transformers current transformers cycle-average voltage computerised monitoring digitised voltage voltage transformers software functions

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EVOLVING EMBEDDED SYSTEMS

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COMPUTER 2010年第5期43卷 34-40页

作者： Karsai, Gabor Massacci, Fabio Osterweil, Leon Schieferdecker, Ina Vanderbilt Univ Nashville TN 37235 USA Univ Trent I-38100 Trento Italy Univ Massachusetts Amherst MA 01003 USA Fraunhofer FOKUS Competence Ctr Modeling & Testing Syst Berlin Germany Fraunhofer FOKUS Serv Solut Berlin Germany Tech Univ Berlin D-1000 Berlin Germany

Embedded systems pose special challenges to system evolution: they're embedded in a changing environment, often interacting with evolving processes of human organizations, and thus must be verified because of their critical nature. Complicating the situation, the analyses and testing regimens used to verify them must evolve as well. Both software engineering research and industrial practice need to improve to address these problems. While admittedly underemphasized in software engineering education, system evolution is crucial, and the challenges discussed here will be addressed by improving on the initial results presented.

关键词： Critical systems Design and test Embedded systems software evolution Systems engineering consumer-oriented systems embedded systems embedded systems evolution formal verification hardware obsolescence load-time verification software engineering software functions system correctness checking user process

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Semantic software Metadata for Workflow Exploration and Evolution 14

Semantic Software Metadata for Workflow Exploration and Evol...

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14th IEEE International Conference on E-Science (E-Science)

作者： Carvalho, Lucas A. M. C. Garijo, Daniel Medeiros, Claudia Bauzer Gil, Yolanda Univ Estadual Campinas Inst Comp Campinas SP Brazil Univ Southern Calif Informat Sci Inst Marina Del Rey CA 90292 USA

ISBN: (纸本)9781538691564

Scientific workflow management systems play a major role in the design, execution and documentation of computational experiments. However, they have limited support for managing workflow evolution and exploration because they lack rich metadata for the software that implements workflow components. Such metadata could be used to support scientists in exploring local adjustments to a workflow, replacing components with similar software, or upgrading components upon release of newer software versions. To address this challenge, we propose OntoSoft-VFF (Ontology for software Version, Function and Functionality), a software metadata repository designed to capture information about software and workflow components that is important for managing workflow exploration and evolution. Our approach uses a novel ontology to describe the functionality and evolution through time of any software used to create workflow components. OntoSoft-VFF is implemented as an online catalog that stores semantic metadata for software to enable workflow exploration through understanding of software functionality and evolution. The catalog also supports comparison and semantic search of software metadata. We showcase OntoSoft-VFF using machine learning workflow examples. We validate our approach by testing that a workflow system could compare differences in software metadata, explain software updates and describe the general functionality of workflow steps.

关键词： scientific workflows software metadata software functions software registries workflow evolution

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Analyzing power consumption of message passing primitives in a single-chip multiprocessor

Analyzing power consumption of message passing primitives in...

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IEEE International Conference on Computer Design

作者： Loghi, M Benini, L Poncino, M Univ Verona I-37134 Verona Italy

ISBN: (纸本)0769522319

In this work we propose a methodology for the accurate analysis of the power consumption of interprocessor communication in a MPSoC and the construction of high-level power macromodels. The models leverage a complete MPSoC power estimation environment, that allows to evaluate the power consumption of various software functions, including message passing primitives, which could not be fully characterized in single-processor analysis framework developed in the past. Based on this data we built power macromodels that achieve average estimation errors below 5%.

关键词： multiprocessing systems message passing system-on-chip power consumption single chip multiprocessor interprocessor communication SoC high level power macromodels software functions single processor analysis Power consumption interprocessor communication Multiprocessing systems system-on-chip

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Morrow :: Boards :: Disk Jockey 2 Model B Technical Reference Rev 1 Dec82

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2016年

Morrow :: Boards :: Disk Jockey 2 Model B Technical Reference Rev 1 Dec82 by published by

关键词： bank select boards controller data data register dec82 disk disk drive disk jockey dma address drive equ floppy disk hardware registers jockey model morrow mov select serial port software functions status status register track

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Commercial farm management information systems - A demand-oriented analysis of functions in practical use

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SMART AGRICULTURAL TECHNOLOGY 2023年 4卷

作者： Melzer, Marvin Bellingrath-Kimura, Sonoko Gandorfer, Markus Bavarian State Res Ctr Agr Kleeberg 14 D-94099 Ruhstorf Germany Leibniz Ctr Agr Landscape Res eV Eberswalder Str 84 D-15374 Muncheberg Germany Humboldt Univ Unter Linden 6 D-10099 Berlin Germany

The functions of farm management information systems (FMIS) are mostly examined without considering purchasing statistics as an indicator for their actual use and crucial information for FMIS developers and politics. Thus, the present study analyzes categories and functions of commercial FMIS purchased by farmers within a subsidy program for digital technologies in the German federal state of Bavaria. The FMIS were categorized and linked to eleven general functions. Correlations between supplied FMIS functions and farmers' purchase decisions were evaluated. Finally, the distribution of FMIS functions and categories were weighted by the number of purchases to reflect their demand. The distribution of categories and functions were also compared to previous studies to show current trends. From October 2018 to June 2020, 52 different FMIS were purchased 569 times, dominated by ten FMIS covering 85 % of purchases. The most purchased FMIS targeted the crop domain. Farmers tend to use office and mobile software versions in combination more often. Although web applications seem to increase, native applications, developed for use on a particular platform or device, were still the most inquired application type. There is evidence that certain functions increase farmers' willingness to use FMIS when they are available. The most purchased FMIS functions were 'quality assurance', 'inventory' and 'finance'. The availability of the functions 'traceability' and 'quality assurance' clearly increased, confirming a positive trend already predicted in a previous study in 2015. In conclusion, functions providing an automated and site-specific mapping, monitoring, and recording of farm processes and production materials to comply with legislative standards were highly requested by farmers, presumably due to increasing cross-compliance requirements of the Common Agricultural Policy of the European Union. Future FMIS should therefore include functions for recording and evaluating site-spec

关键词： FMIS software functions Quality assurance Decision support CAP

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