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作者： Dawson,Leelinda p,Wang,Yansen, Army Research Lab. Adelphi MD.

The Lagrangian Particle Dispersion Model LPDM simulates the ensemble average transport of aerosols and gases in turbulent wind conditions, which can have a long execution time for it to be possibly useful to the Warfighter. Previously, some performance improvements were achieved by using two different approaches of graphics processing unit GPU computing technology with one using a compute Unified Device Architecture cUDA Fortran interface via device code and the other one using cUDA host code only. However, it was determined later that converting the original LPDM code from Fortran to c programming language was needed to further increase its execution performance. This report documents the implementation approach of converting the original LPDM model code to c using GPU computing technology to improve its performance. The execution time of GPU-accelerated LPDM c application was faster than the original LPDM Fortran application without GPU computing.

关键词： computer programming c programming language Graphics processing unit central processing units programming languages Particles Random number generators Graphics computer languages computer programs Grids Battlefields

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An Overview of the Julia programming language 18

An Overview of the Julia Programming Language

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International conference on computing and Big Data (IccBD)

作者： cabutto, Tyler A. Heeney, Sean P. Ault, Shaun V. Mao, Guifen Wang, Jin Valdosta State Univ Dept Comp Sci Valdosta GA 31698 USA Valdosta State Univ Dept Math Valdosta GA USA

ISBN: (纸本)9781450365406

The paper reviews what the Julia programming language is and its staying power relative to other popular programming languages. The following focuses on two popular programming languages (c programming and Python programming) to obtain a deeper understanding of what Julia derives from them, how Julia deviates from them, and what Julia leverages to be a more reasonable choice for performance.

关键词： Julia programming language c programming language Python programming language FORTRAN

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From Android games to coding in c-An approach to motivate novice engineering students to learn programming: A case study

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cOMPUTER APPLIcATIONS IN ENGINEERING EDUcATION 2018年第1期26卷 75-90页

作者： Dolgopolovas, Vladimiras Jevsikova, Tatjana Dagiene, Valentina Vilniaus Univ Matemat & Informat Inst Akad Str 4 LT-08663 Vilnius Lithuania Vilniaus Kolegija Fac Elect & Informat Vilnius Lithuania

This paper deals with the problem of overcoming difficulties and raising the motivation of novice engineering students studying programming. We consider this an important factor for engineering education in general and for programming of embedded devices, as well as for calculations and modeling in the field of scientific computing in particular. We present a case study on how novice engineering students can be motivated to study structured programming and coding in c using game programming in the App Inventor environment. The study is based on the authors' practical teaching experience in the Applied Sciences University for novice programmers, with students of the Technology of Smart Devices specialty, as well as the authors' long-time research activities in teaching computer Science.

关键词： c programming language engineering education MIT App Inventor mobile computing programming profession

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Learning status description for personalised c language e-learning environment

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INTERNATIONAL JOURNAL OF cOMMUNIcATION NETWORKS AND DISTRIBUTED SYSTEMS 2017年第3期19卷 338-356页

作者： Yan, Yu Hara, Kohei Kazuma, Takenobu He, Aiguo Univ Aizu Dept Comp & Informat Syst Aizu Wakamatsu Fukushima Japan

It is important for personalised e-learning environment to have computational learning status information of individual learners. This article proposes a method to describe syntax-knowledge-point (SKP for short)-based learning status of individual learners for personalised c programming e-learning environment. This method utilises syntactic knowledge information extracted from c program source code. Firstly, it gathers all offered SKP from example source codes and exercises' model answers in teaching materials;Then, for each learner, it collects his SKP-based learning activities by extracting SKP information from the source code the learner has read or been taught or submitted;Finally, for each learner, his understanding of every SKP can be estimated from the collected data. And individual learners learning status is described by the set of his understanding of each SKP. Experiments show that the proposed method is effective and feasible to get individual learners learning status in detail level by the computer system.

关键词： personalised e-learning learning status c programming language education support syntax knowledge point SKP

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Empirical Study of Multimedia Learning Object to Enhance Introductory programming Learning 2017

Empirical Study of Multimedia Learning Object to Enhance Int...

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International conference on Information Technology (IcIT)

作者： Matthews, R. Hew, S. H. Koo, A. c. Univ Nottingham Malaysia Campus Fac Engn Semenyih Selangor Malaysia Multimedia Univ Fac Creat Multimedia Cyberjaya Selangor Malaysia

ISBN: (纸本)9781450363518

Learning to write computer program for the first time is tough. The predominant focus on Multimedia Learning Object (MLO) is to explore the effectiveness in developing novice learners program writing skills. MLO is a small piece of information incorporated with media elements and interactivity to accomplish a single learning outcome. Three types of MLO namely content object (cO), example object (EO) and self-assessment object (SAO) created as programming learning tool to support three cognitive activities: learn, practice and assess. These MLO incorporated in an instructional learning setting for introductory c programming learners. A pretest-posttest two treatment experiment carried out with sample size of hundred and four. control group received non-digital learning material (review question, sample program and self-test question), treatment group1 received mixed condition (non-digital learning material;sample program and micro-level MLO;cO and SAO) and treatment group2 received macro level MLO;cO, EO, SAO in a similar instructional learning setting. The result of the study shows micro-level (MLO) are effective when cO used to activate prior knowledge and SAO to improve declarative knowledge. The EO embedded with screencast to support worked example principle seems to be less effective compared to sample program in assisting participants to write computer program. The outcome this study provides strategies to integrate several types of MLO for c programming course.

关键词： Multimedia learning object novice learners c programming language content design

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Improving the strong parallel scalability of cFD schemes via the swept domain decomposition rule 55

Improving the strong parallel scalability of CFD schemes via...

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55th AIAA Aerospace Sciences Meeting

作者： Alhubail, Maitham Wang, Qiqi 77 Massachusetts Ave CambridgeMA United States

ISBN: (数字)9781624104473

ISBN: (纸本)9781624104473

We demonstrate a novel method to facilitate the application of the swept decomposition rule to complex stencil update formulas typically used in computational fluid dynamics. The method decomposes an update formula into sub-stages that accesses only the nearest neighboring grid points. This decomposition can be computed automatically, given a high-level description of the stencil update formula. The decomposed stages are then algorithmically encoded in the c programming language, and inserted into a parallel solver using the swept decomposition rule. In the full paper, we will assess how much this approach improves the strong scalability of some popular schemes used in computational fluid dynamics. © 2017 by the American Institute of Aeronautics and Astronautics, Inc. All rights reserved.

关键词： computational Fluid Dynamics c programming language Heat Equations Euler Equations Finite Difference Scheme Parallel computing Gas Dynamics Scientific computing Parallel computers Midpoint Method

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Block-c: A block-based programming teaching tool to facilitate introductory c programming courses 8

Block-C: A block-based programming teaching tool to facilita...

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8th IEEE Global Engineering Education conference (EDUcON)

作者： Kyfonidis, charalampos Moumoutzis, Nektarios christodoulakis, Stavros Univ Strathclyde Comp & Informat Sci Glasgow Lanark Scotland Tech Univ Crete Sch Elect & Comp Engn Lab Distributed Multimedia Inf Syst & Applicat Khania Greece

ISBN: (纸本)9781509054671

Block-c is a block-based programming learning tool for c programming language that uses the recognition over recall approach on top of the rigid and complex constructs of c language. It empowers students to learn programming by guiding them to focus on the programming logic rather than the syntax of c language. Novice programmers in introductory programming courses are more productive with the use of Block-c than with regular textual c programming. They can internalize the programming concepts more easily by gradually assigning meaning to the visual models (pertaining to the programming logic) created using the tool. In lab or tutorial sessions, where the presence of facilitators is limited, Block-c can guide the students to complete their assignments easily and effectively. Finally, Block-c promotes the transition to the regular textual c programming by allowing the students to export their code and see how their block-based programs are translated to textual c, but also how textual c is translated to block-based c.

关键词： c programming language teaching programming block-based programming visual programming syntactic error prevention in novice c programming language learning

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The use of the Red Pitaya Development System in a Secondary Vocational Education Programme for the Technician of Electrical Engineering

ELEKTROTEHNISKI VESTNIK-ELECTROCHEMICAL REVIEW

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ELEKTROTEHNISKI VESTNIK-ELEcTROcHEMIcAL REVIEW 2017年第3期84卷 133-139页

作者： Pogacnik, Borut Srednja Tehniska Sola Solski Ctr Kranj Kidriceva 55 Kranj 4000 Slovenia

The paper presents the use of the Red Pitaya development system in a secondary vocational education programme for electrical engineering. In the introduction, the Red Pitaya hardware and software are shortly described. In part one, integration of Red Pitaya into a school computer network and ways of accessing the command on Red Pitaya using SSH are shown. Red Pitaya can be used as a measuring system and can replace certain measuring instruments, such as oscilloscope, spectrum analyser, LcR metre and signal generator. The focus of the paper is on operation of a free-access web app of a signal generator and oscilloscope as well as development of own apps in the c programming language for Red Pitaya, such as LED-diode pulsation in the Red Pitaya development system, activation of a LED diode in Red Pitaya using an external button, measuring of an analogue voltage at slow analogue outputs and setting of an analogue voltage at slow analogue outputs. An insight is given in the development of own app for measuring the characteristics of the semiconductor elements like a diode, bipolar transistor and MOS FET transistor. The characteristics are measured at several phases, such as conception and setting-up a measuring system, development of the programme code in the c programming language, transfer of the programme to Red Pitaya, execution of the programme and processing of the measurement results in the diagram drawing-software gnuplot.

关键词： Red Pitaya c programming language measurement system characteristics of semiconductor elements

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Automation of Quantification Activities of Semiconductor-Backend Process Using Binary Search Algorithm

Automation of Quantification Activities of Semiconductor-Bac...

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作者： Noel B.Linsangan Sandra Tirol Mapua University

Quantification activities was highly significant in semiconductor companies;it does not only showed the right count of units but also the quality on how it was processed in the production line. Automation of quantification activities of semiconductor at backend process using binary search algorithm supersede manual handling of units to automate counting. The main purpose of this study was to enhance the process control of quantification in the back-end process of the semiconductor company by fabricating a machine that automated the whole quantification activities using Gizduino microcontroller. The automated quantifier machine successfully counted the units in tube using inductive proximity sensor for full tube and ultrasonic sonar sensor for partial tube with units. The device used was Gizduino mini 644 P microcontroller and Arduino ERW 1.0.5 IDE programed via c language. Visual Basic language was used in the design of the graphical user interface for software application. The implementation of automated quantifier machine to the semiconductor company at back-end process addressed the top one problem that affected the metric of the production;these were the quality, productivity and delivery.

关键词： Quantification Automated Quantifier Machine Microcontroller c programming language Visual Basic programming language

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A friendly online c compiler to improve programming skills based on student self-assessment

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cOMPUTER APPLIcATIONS IN ENGINEERING EDUcATION 2015年第6期23卷 887-896页

作者： cedazo, Raquel Garcia cena, cecilia E. Mohammed Al-Hadithi, Basil Univ Politecn Madrid Higher Tech Sch Ind Design & Engn Dept Elect Elect & Automat Control Engn & Appl Ph Madrid 28012 Spain Univ Politecn Madrid Ctr Automat & Robot CSIC Intelligent Control Grp E-28006 Madrid Spain Univ Politecn Madrid Ctr Automat & Robot E-28006 Madrid Spain

This paper presents an online c compiler designed so that students can program their practical assignments in programming courses. What is really innovative is the self-assessment of the exercises based on black-box tests and train students' skill to test software. Moreover, this tool lets instructors, not only proposing and classifying practical exercises, but also evaluating automatically the efforts dedicated and the results obtained by the students. The system has been applied to the 1st-year students at the Industrial Engineering specialization at the Universidad Politecnica de Madrid. Results show that the students obtained better academic performance, reducing the failure rate in the practical exam considerably with respect to previous years, in addition that an anonymous survey proved that students are satisfied with the system because they get instant feedback about their programs. (c) 2015 Wiley Periodicals, Inc. comput Appl Eng Educ 23:887-896, 2015;View this article online at;DOI .

关键词： black-box testing c programming language E-learning Interactive learning environments online self-assessment

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