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Proceedings of the 14th International Workshop on Software and Compilers for Embedded Systems

作者： Hannig, Frank Roloff, Sascha Snelting, Gregor Teich, Jürgen Zwinkau, Andreas Hardware/Software Co-Design Department of Computer Science University of Erlangen Nuremberg Germany Programming Paradigms Group Karlsruhe Institute of Technology - KIT Germany

ISBN: (纸本)9781450307635

The efficient use of future MPSoCs with f 000 or more processor cores requires new means of resource-aware programming to deal with increasing imperfections such as process variation, fault rates, aging effects, and power as well as thermal problems. In this paper, we apply a new approach called invasive computing that enables an application programmer to spread computations to processors deliberately and on purpose at certain points of the program. Such decisions can be made depending on the degree of application parallelism and the state of the underlying resources such as utilization, load, and temperature. The introduced programming constructs for resource-aware programming are embedded into the parallel computing language X10 as developed by IBM using a library-based approach. Moreover, we show how individual heterogeneous MPSoC architectures may be modeled for subsequent functional simulation by defining compute resources such as processors themselves by lightweight threads that are executed in parallel together with the application threads by the X10 run-time system. Thus, the state changes of each hardware resource may be simulated including temperature, aging, and other useful monitor functionality to provide a first high-level programming test-bed for invasive computing. Copyright © 2011 ACM.

关键词： Parallel processing systems

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Hassenstein-Reichardt Detector Using Controllable Single Pulse Time-Delay Circuit for Neuromorphic Hardware 11

Hassenstein-Reichardt Detector Using Controllable Single Pul...

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11th International Scientific Conference on computer Science, COMSCI 2023

作者： Trendafilov, Ianislav Gancheva, Veska Neuromorphica Ltd. Sofia1335 Bulgaria Technical University of Sofia Faculty of Computer Systems and Technologies Department of Programming and Computer Technologies 8 Kliment Ohridski blvd. Sofia1000 Bulgaria

ISBN: (纸本)9798350325256

Inspired by the visual system of the fruit fly, we had created a generic building block for neuromorphic hardware that is vital for third generation neural networks. This enables time delay to be parametrized in a cheap and inexpensive way. The advantage of our proposal is the possibility of building and testing new networks using dynamicist approach in artificial intelligence. © 2023 IEEE.

关键词： Neural networks

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Development and Analysis of Genetic Algorithm for Optimization of Continuous Cast Billets Warehousing Process

Development and Analysis of Genetic Algorithm for Optimizati...

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2024 International Russian Smart Industry Conference, SmartIndustryCon 2024

作者： Shchegolikhin, Ivan S. Andreev, Sergey M. Nosov Magnitogorsk State Technical University Department of Computer Engineering and Programming Magnitogorsk Russia Nosov Magnitogorsk State Technical University Department of Automated Control Systems Magnitogorsk Russia

ISBN: (纸本)9798350395044

Warehouses are an important logistic component of various companies. Warehouses may have different layouts, equipment and their own features. Optimization of warehouse operations can decrease overhead costs and increase the economic efficiency of industry. The technological process of steel sheet production at a metallurgical company includes two major stages: casting of liquid steel into billets and rolling of these billets on a rolling mill. In order to coordinate the productivity of these two stages and to be able to fulfill orders promptly, a warehouse of slabs (billets) is used. Billets of different parties and steel grades are stored in stacks. The billets are moved to the warehouse for storage and from the warehouse to the rolling mill by bridge cranes. In this paper the problem of optimization of the process of continuous cast billets storage is solved to minimize the number of slab handling operations. The problem is decomposed into two subproblems SLAP (Storage Location Assignment Problem) and CSP (Crane Scheduling Problem). A modified genetic algorithm was applied to solve the problem. Using a simulation model of the warehouse, the efficiency of the algorithm was evaluated using different approaches to take the restrictions imposed on the process of slab handling into account. It is shown that the most effective is the algorithm in which there is no restriction on the placement of stacks of billets belonging to one melting. © 2024 IEEE.

关键词： Genetic algorithms

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Creating a Forecasting Model of Passenger Flows in Non-Scheduled Air Transportation 3

Creating a Forecasting Model of Passenger Flows in Non-Sched...

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3rd International Conference on Problems of Logistics, Management and Operation in the East-West Transport Corridor, PLMO 2024

作者： Aghayev, Nadir Nazarli, Dashqin National Aviation Academy of the Republic of Azerbaijan Department of Computer Systems and Programming Baku Azerbaijan National Aviation Academy of the Republic of Azerbaijan Department of Air Transport Production Baku Azerbaijan

ISBN: (纸本)9798350353099

In the article, a new method of building a forecast model using a fuzzy approach for charter air transportation time series with intra-series multiplicative changes is proposed. The method is based on the use of correlation functions in the calculation of forecast values based on statistical indicators of intra-row changes. In regular air transportation, the changes in the time series of statistical indicators are stable. On charter flights, these changes are unstable. This is due to the strong random effects of external factors (a sudden increase in demand for flights, economic changes, etc.) on the formation of charter flights. For this reason, the application of models based on trend changes does not give good enough results when building forecast models for charter flights. Therefore, to solve the problem, we propose to build a forecast model using a fuzzy approach, using the randomness of the intra-series changes of the statistical indicators of this type of air transportation. The researched method was checked based on the actual data of the time series of charter flights, and the results were obtained within acceptable limits. © 2024 IEEE.

关键词： charter flights forecasting fuzzy approach non-scheduled air transportation optimal model time series

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Extended Approach to Selecting a project-specific Reliability Growth Model

Extended Approach to Selecting a project-specific Reliabilit...

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International Convention on Information and Communication Technology, Electronics and Microelectronics

作者： Jamal Krini Abderrahim Krini Ossmane Krini Josef Borcsok Department of Computer Architecture and System Programming University of Kassel

ISBN: (纸本)9781509025435

The software reliability represents one of the most crucial aspects of functional safety. Software is used in almost any electronic systems. When a safety-critical system is considered, it has to be ensured that the software is able to fulfil the minimum safety requirements. If this is not the case, the software will have to be improved until the minimum requirements are fulfilled. Reliability growth models are used to determine the reliability of software. Depending on the area of application one specific model can deliver better prognosis results than another. This paper serves to introduce a methodology, which is provided for the purpose of selecting the most appropriate model.

关键词： Functional safety Error-related hazard rate Mean value function Forecasting Poisson model Program hazard rate Sigmoid function Systematic errors Shooman model Unknown errors Prediction Failure rate Reliability growth models Time-dependent models Software engineering Safety-related systems Prognosis Bathtub curve Early failures Normal failures Late failures Probability of default Failure density MTTR MTTF MTBF Maximum likelihood estimation Estimation procedures Model parameters Effectiveness investigation model Quality criterion Absolute error

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Advantages of Fog Computing: A Comparative Analysis with Cloud Computing for Enhanced Edge Computing Capabilities 4

Advantages of Fog Computing: A Comparative Analysis with Clo...

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4th IEEE KhPI Week on Advanced Technology, KhPI Week 2023

作者： Hunko, Mykhailo Tkachov, Vitelii Kuchuk, Heorhii Kovalenko, Andny Department of Electronic Computers Kharkiv National University of Radio Electonics Kharkiv Ukraine Department of Computer Engineering and Programming National Technical University «Kharkiv Polytechnic Institute» Kharkiv Ukraine

ISBN: (纸本)9798350395532

Fog computing extends the capabilities of cloud computing by enabling computing at the edge of the network, involving devices such as mobile collaborative devices or fixed nodes with integrated storage, computing, and communication capabilities. Fog computing offers benefits such as improved efficiency, increased security, savings in network bandwidth, and increased flexibility/in order to provide a complete understanding of Fog computing, this paper presents its salient features and highlights the differences from cloud computing research. Cloud computing is an emerging technology that offers computing resources on a pay-per-use basis. It provides three service models, and the cloud offers cost-effective centrally managed resources for reliable computing for specific tasks. This document presents a comparison between Fog computing and cloud computing, highlighting the differences in design, deployment, services, and tools available to organizations and users. By explicating the distinctiveness of fog computing and its contrast to cloud computing, we contribute to the field by shedding light on the unparalleled potential of fog computing in conserving resources while delivering robust computational solutions at the network periphery. Our study offers a new perspective that challenges the prevailing practices and extends the discourse on optimizing distributed computing architectures. © 2023 IEEE.

关键词： Fog computing

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Neuromorphic Assisted Sensor Grids 32

Neuromorphic Assisted Sensor Grids

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32nd International Scientific Conference Electronics, ET 2023

ISBN: (纸本)9798350302004

A particular problem in using artificial intelligence techniques in the sensor grid is the high power consumption. Remote sensors are usually limited by the amount of power available, thus our general goal is to minimize it while preserving accurate experimentation results. Using emerging technologies like spiking neural networks and neuromorphic hardware, we can create sensor grids that perform data processing with preserving low power consumption. In this paper, we demonstrate a remote node with integrated visual sensor that works on less than 10mW of energy, while performing continuous scene monitoring, object detection and classification. The system has intelligent power management and the ability to send data wirelessly. © 2023 IEEE.

关键词： Object detection

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A study on pentagonal fuzzy number and its corresponding matrices

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Pacific Science Review B: Humanities and Social Sciences 2015年第3期1卷 131-139页

作者： Apurba Panda Madhumangal Pal Department of Applied Mathematics with Oceanology and Computer Programming Vidyasagar University Midnapore 721102 India

In this article, the notion of pentagonal fuzzy number (PFN) is introduced in a generalized way. A few articles have been published based on this topic, but they have some ambiguities in defining this type of fuzzy number. Here, we proposed the logical definition in developing a pentagonal fuzzy number, along with its arithmetic operations. Based on PFN, the structure of pentagonal fuzzy matrices (PFMs) is studied, together with their basic properties. Some special type of PFMs and their algebraic natures (trace of PFM, adjoint of PFM, determinant of PFM, etc.) are discussed in this article. Finally, the notion of nilpotent PFM, comparable PFM, and constant PFMs, with their many properties, are highlighted in this article.

关键词： Pentagonal fuzzy number Arithmetic of pentagonal fuzzy number Pentagonal fuzzy matrices Pentagonal fuzzy determinant Nilpotent pentagonal fuzzy matrices

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Transactional programming in a multi-core environment 07

Transactional programming in a multi-core environment

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2007 ACM SIGPLAN Symposium on Principles and Practice of Parallel programming, PPoPP'07

作者： Adl-Tabatabai, Ali-Reza Kozyrakis, Christos Saha, Bratin Programming Systems Lab. Microprocessor Technology Lab. Intel Corporation Computer Systems Lab. Electrical Engineering Department Stanford University

ISBN: (纸本)1595936025

With single thread performance starting to plateau, HW architects have turned to chip level multiprocessing (CMP) to increase processing power. All major microprocessor companies are aggressively shipping multi-core products in the mainstream computing market. Moore's law will largely be used to increase HW thread-level parallelism through higher core counts in a CMP environment. CMPs bring new challenges into the design of the software system stack. In this tutorial, we talk about the shift to multi-core processors and the programming implications. In particular, we focus on transactional programming. Transactions have emerged as a promising alternative to lock-based synchronization that eliminates many of the problems associated with lock-based synchronization. We discuss the design of both hardware and software transactional memory and quantify the tradeoffs between the different design points. We show how to extend the Java and C languages with transactional constructs, and how to integrate transactions with compiler optimizations and the language runtime (e.g., memory manager and garbage collection).

关键词： computer programming

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Application of S-UTD-CH model into multiple diffraction scenarios at 900MHz

Application of S-UTD-CH model into multiple diffraction scen...

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Progress in Electromagnetics Research Symposium, PIERS 2014

作者： Tabakcioglu, Mehmet Baris Ayberkin, Doruk Electrical and Electronics Engineering Department Engineering Faculty Bayburt University Bayburt69000 Turkey Computer Programming Department Bayburt Vocational School Bayburt University Bayburt69000 Turkey

ISBN: (纸本)9781934142288

In this study, propagation prediction models based on ray tracing in coverage estimation for broadcasting systems are compared with respect to computation time and accuracy. Uniform Theory of Diffraction (UTD), Slope Diffraction (S-UTD) and Slope UTD with Convex Hull (S-UTD-CH) models are compared for computation time and propagation path loss. Moreover in this study, effects of transmitter height to relative path loss at the receiver are analyzed. S-UTD-CH model is optimum model with respect to computation time and relative path loss.

关键词： Ray tracing

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