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High-Performance and Time-Predictable Embedded computing

丛书名： River Publishers Series in information science and technology

2018年

作者： Luis Miguel Pinho (editor) Eduardo Quinones (editor) Marko Bertogna (editor) Andrea Marongiu (editor) Vincent Nelis (editor) Paolo Gai (editor) Juan Sancho (editor)

ISBN: (纸本)9788793609693

Nowadays, the prevalence of computing systems in our lives is so ubiquitous that we live in a cyber-physical world dominated by computer systems, from pacemakers to cars and airplanes. These systems demand more computational performance to process large amounts of data from multiple data sources with guaranteed processing times. Actuating outside of the required timing bounds may cause the failure of the system, being vital for systems like planes, cars, business monitoring, e-trading, etc. High-Performance and Time-Predictable Embedded computing presents recent advances in software architecture and tools to support such complex systems, enabling the design of embedded computing devices which are able to deliver high-performance while guaranteeing the application required timing bounds. Technical topics discussed in the book include: - Parallel embedded platforms- programming models- Mapping and scheduling of parallel computations- Timing and schedulability analysis- Runtimes and operating systems The work reflected in this book was done in the scope of the European project P SOCRATES, funded under the FP7 framework program of the European Commission. High-Performance and Time-Predictable Embedded computing is ideal for personnel in computer/communication/embedded industries as well as academic staff and master/research students in computer science, embedded systems, cyber-physical systems and internet-of-things.

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Parallel programming models and their interdependence with parallel architectures

Parallel programming models and their interdependence with p...

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programming models for Massively Parallel Computers

作者： W.K. Giloi GMD Institute for Computer Architecture and Software Technology Berlin Germany

Because of its superior performance and cost-effectiveness, parallel computing will become the future standard, provided we have the appropriate programming models, tools and compilers needed to make parallel computers widely usable. The dominating programming style is procedural, given in the form of either the memory sharing or the message-passing paradigm. The advantages and disadvantages of these models and their supporting architectures are discussed, as well as the tools by which parallel programming is made machine-independent. Further improvements can be expected from very high level coordination languages. A general breakthrough of parallel computing, however, will only come with the parallelizing compiler that enable the user to program applications in the conventional sequential style. The state-of-the-art of parallelizing compilers is outlined, and it is shown how they will be supported by higher-level programming models and multi-threaded architectures.< >

关键词： Parallel programming Parallel architectures Logic programming Computer architecture Concurrent computing Functional programming Program processors Parallel processing application software Software performance

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Articulated Motion and Deformable Objects 1

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丛书名： Lecture Notes in Computer Science

1000年

作者： Francisco José Perales Josef Kittler

ISBN: (数字)9783319945446

ISBN: (纸本)9783319945439

This book constitutes the refereed proceedings of the 10th International Conference on Articulated Motion and Deformable Objects, AMDO 2018, held in Palma de Mallorca, Spain, in July 2018.;The 12 papers presented were carefully reviewed and selected from 26 submissions. The papers address the following topics: advanced computer graphics and immersive videogames; human modeling and animation; human motion analysis and tracking; 3D human reconstruction and recognition; multimodal user interaction and applications; ubiquitous and social computing; design tools; input technology; programming user interfaces; 3D medical deformable models and visualization; deep learning methods for computer vision and graphics; and multibiometric.

关键词： Image Processing and Computer Vision Artificial Intelligence Information Systems applications (incl. Internet) Special Purpose and application-Based Systems

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An internationally distributed cloud for science: The cloud-enabled space weather platform

An internationally distributed cloud for science: The cloud-...

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2nd International workshop on Software Engineering for Cloud computing, SECLOUD'11, Co-located with ICSE 2011

作者： Toews, Everett Satchwill, Barton Rankin, Robert Shillington, John King, Todd Cybera Inc. 2-59C Computing Science Centre University of Alberta Edmonton AB Canada University of Alberta Department of Physics Edmonton AB Canada Institute of Geophysics and Planetary Physics University of California Los Angeles 603 Charles E. Young Drive East Los Angeles CA United States

ISBN: (纸本)9781450305822

The purpose of the Cloud-Enabled Space Weather Platform (CESWP) project is to bring the power and flexibility of cloud computing to space weather physicists. The goal is to lower the barriers for the physicists to conduct their science. That is, to make it easier to collaborate with other scientists, develop space weather models, run simulations, produce visualizations and enable provenance. Success of the project is measured by the broad acceptance and use of the platform by the space weather science community. To deliver cloud computing and storage, infrastructure as a service, the project has built an internationally distributed cloud based on Eucalyptus [1]. To provide a graphical user interface for the physicists to interact with we selected the Groovy programming language and the Grails web framework. To construct the software we followed the Scrum agile software development methodology. This paper will report on the motivation and risks of such an undertaking. It will also report on the suitability of Eucalyptus as a cloud framework and the utility of the tools used to build an application on top of it. © 2011 ACM.

关键词： Distributed cloud

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Invited Talk 1: The Future of Parallel computing

Invited Talk 1: The Future of Parallel Computing

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IEEE International Conference on High Performance computing workshops (HiPCW)

作者： Henry Gabb Intel USA

ISBN: (数字)9781728148946

ISBN: (纸本)9781728148953

Summary form only given. Solving the biggest challenges in science, industry, and society requires dramatic increases in computing efficiency. Parallel architectures are now ubiquitous, so programming and parallel programming can no longer be treated as separate topics. Today's applications must be parallelized to unlock the benefits of current and future hardware. Consequently, new programmers must be taught how to exploit parallelism as early as possible. They must also be taught how to use programming tools to increase application efficiency as well as their own productivity. This is particularly important because as heterogeneous parallelism becomes more common, the gap between domain experts and tuning experts widens. Effective use of programming tools helps narrow the gap between domain experts and tuning experts. As programming complexity increases, domain experts expect higher levels of abstraction in the form of productivity languages and domain-specific frameworks. programming tools will allow the next generation of tuning experts to deliver the necessary high-performance frameworks.

关键词： programming Parallel processing tools Tuning Conferences Productivity Software

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Infopipes: concepts and ISG implementation

Infopipes: concepts and ISG implementation

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IEEE workshop on Software Technologies for Future Embedded Systems

作者： G.S. Swint C. Pu K. Moriyama College of Computing Georgia Institute of Technology Atlanta GA USA Center for Experimental Research in Computer Systems in the College of Computing Georgia Institute of Technology Atlanta GA USA Sony Corporation Japan

We describe Infopipes, a distributed computational and communications abstraction for information flow applications and I/O intensive distributed real-time embedded (DRE) systems. Infopipes are specified by the syntax, semantics, and quality of service requirements for information flows. Software tools generate executable code from the specification. We explain a DRE scenario and then provide a microbenchmark comparison of generated Infopipe code to standard, handwritten TCP code. Measurements show that Infopipe-generated code has the same execution overhead as the manually written original version.

关键词： Streaming media Software tools application software Timing programming profession Filtering Distributed computing Embedded computing Real time systems Quality of service

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Improvement on the Method for Automatic Differential Analysis and Its application to Two Lightweight Block Ciphers DESL and LBlock-s 10th

Improvement on the Method for Automatic Differential Analysi...

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10th International workshop on Security (IWSEC)

作者： Sun, Siwei Hu, Lei Qiao, Kexin Ma, Xiaoshuang Shan, Jinyong Song, Ling Chinese Acad Sci Inst Informat Engn State Key Lab Informat Secur Beijing 100093 Peoples R China Chinese Acad Sci Data Assurance & Commun Secur Res Ctr Beijing 100093 Peoples R China

ISBN: (纸本)9783319224251;9783319224244

With the development of the ubiquitous computing and large-scale information processing systems, the demand for lightweight block ciphers which is suitable for resource constrained computing devices is increasing. Hence, the methodology for design and analysis of block ciphers is becoming more important. In this paper, we use the Mixed-Integer Linear programming (MILP) based tools for automatic differential cryptanalysis in a clever way to find improved single-key and related-key differential characteristics for DESL (a lightweight variant of the well known Data Encryption Standard), and obtain tighter security bound for LBlock-s (a core component of an lightweight authenticated encryption algorithm submitted to the international competition for authenticated encryption -CAESAR) against related-key differential attack. To be more specific, in searching for improved characteristics, we restrict the differential patterns allowed in the first and last rounds of the characteristics in the feasible region of an MILP problem by imposing different constraints than other rounds, and we partition the differential patterns of the DESL S-box into different sets with 2-bit more information associated with each pattern according to their probabilities. In addition, we show how to use the Gurobi optimizer combined with a known good characteristic to speed up the characteristic searching and bound proving process. Using these techniques, we managed to find the currently known best 9-round related-key differential characteristic for DESL, and the first published nontrivial related-key and single-key differential characteristics covering 10 rounds of DESL. Also, we obtain the currently known tightest security bound for LBlock-s against related-key differential attack. These techniques should be useful in analysis and design of other lightweight block ciphers.

关键词： Automatic cryptanalysis Security evaluation Related-key differential attack Authenticated encryption Mixed-Integer Linear programming

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Matching architecture and software technology for HPC systems

Matching architecture and software technology for HPC system...

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Euromicro workshop on Parallel and Distributed Processing

作者： M. Vanneschi Department of Computer Science University of Pisa Italy

PQE2000 is an Italian project on High Performance computing (HPC), whose goal is the realization of innovative general purpose systems and programming tools, as well as the development of new strategic HPC applications for industry, commerce and public services. The research activities of PQE2000 include MPP architecture, software tools and programming environments, and applications in technical, transactional and new media areas. The results of these activities are transferred into industrial products. This paper describes the general guidelines, the current products and technologies of PQE2000, and the trends in the area of relationships between programming environments and architectural models for the efficient exploitation of large degree of variable grain parallelism in complex applications.

关键词： Computer architecture application software programming environments High performance computing Computer industry Business Software tools Industrial relations Guidelines Parallel processing

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tools for GPU computing-Debugging and performance analysis of heterogenous HPC applications

Supercomputing Frontiers and Innovations

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Supercomputing Frontiers and Innovations 2020年第1期7卷 91-111页

作者： Knobloch, Michael Mohr, Bernd Forschungszentrum Jülich GmbH Jülich Supercomputing Center Jülich Germany

General purpose GPUs are now ubiquitous in high-end supercomputing. All but one (the Japanese Fugaku system, which is based on ARM processors) of the announced (pre-)exascale systems contain vast amounts of GPUs that deliver the majority of the performance of these systems. Thus, GPU programming will be a necessity for application developers using high-end HPC systems. However, programming GPUs efficiently is an even more daunting task than traditional HPC application development. This becomes even more apparent for large-scale systems containing thousands of GPUs. Orchestrating all the resources of such a system imposes a tremendous challenge to developers. Luckily a rich ecosystem of tools exist to assist developers in every development step of a GPU application at all scales. In this paper we present an overview of these tools and discuss their capabilities. We start with an overview of different GPU programming models, from low-level with CUDA over pragmabased models like OpenACC to high-level approaches like Kokkos. We discuss their respective tool interfaces as the main method for tools to obtain information on the execution of a kernel on the GPU. The main focus of this paper is on two classes of tools, debuggers and performance analysis tools. Debuggers help the developer to identify problems both on the CPU and GPU side as well as in the interplay of both. Once the application runs correctly, performance analysis tools can be used to pinpoint bottlenecks in the execution of the code and help to increase the overall performance. © The Authors 2020. This paper is published with open access at SuperFri. org.

关键词： Graphics processing unit

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Javelin: Internet-based parallel computing using Java

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CONCURRENCY-PRACTICE AND EXPERIENCE 1997年第11期9卷 1139-1160页

作者： Christiansen, BO Cappello, P Ionescu, MF Neary, MO Schauser, KE Wu, D UNIV CALIF SANTA BARBARA DEPT COMP SCISANTA BARBARACA 93106

Java offers the basic infrastructure needed to integrate computers connected to the Internet into a seamless distributed computational resource: an infrastructure for running coarse-grained parallel applications on numerous, anonymous machines, First, we sketch such a resource's essential technical properties, Then, we present Javelin, an infrastructure for global computing, The system is based on Internet software that is interoperable, increasingly secure and ubiquitous: Java-enabled Web technology Ease of participation is seen as a key property for such a resource to realize the vision of a multiprocessing environment comprising thousands of computers, Javelin's architecture and implementation require participants to have access to only a Java-enabled Web browser, The security constraints implied by this, the resulting architecture and the current implementation are presented, The Javelin architecture is intended to be a substrate on which various programming models may be implemented, Different computation servers, each corresponding to a different programming model, are supported by Javelin's architecture, Several are presented briefly, Experimental results are given in the form of micro-benchmarks, a Mersenne Prime application and a ray-tracing application that run on a heterogeneous network of several parallel machines, workstations and PCs, (C) 1997 John Wiley & Sons, Ltd.

关键词： Interconnection networks

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