1,181,614 Hits in 6.7 sec

Performance Instrumentation and Measurement for Terascale Systems [chapter]

Jack Dongarra, Allen D. Malony, Shirley Moore, Philip Mucci, Sameer Shende
2003 Lecture Notes in Computer Science  
Instrumentation and measurement strategies, developed over the last several years, must evolve together with performance analysis infrastructure to address the challenges of new scalable parallel systems  ...  As computer systems grow in size and complexity, tool support is needed to facilitate the efficient mapping of large-scale applications onto these systems.  ...  PAPI and TAU Instrumentation and Measurement Strategies Understanding the performance of parallel systems is a complicated task because of the different performance levels involved and the need to associate  ... 
doi:10.1007/3-540-44864-0_6 fatcat:atb2na5wj5gwdbwjisggnvi6vy

An automated system for administering continuous workload and for measuring sustained continuous performance

Daniel J. Mullaney, Paul A. Fleck, Nobuyukiok Daira, Daniel F. Kripke
1985 Behavoir research methods, instruments & computers  
Results showed that computerized tasks demanding sustained continuous performance without naps cause more rapid performance deterioration than previously tested intermittent-work paradigms.  ...  During each 10 min, subjects performed a tracking task, a pattern-memory task, and an addition task and provided subjective ratings on sleepiness and attention/fantasy.  ...  COMPUTER SYSTEM A commercial home computer system (Apple II) was adapted to continuously present performance tasks.  ... 
doi:10.3758/bf03200892 fatcat:jrntei3wonci3lzu266id6hjhe

Measuring General Computer Self-Efficacy: The Surprising Comparison of Three Instruments in Predicting Performance, Attitudes, and Usage

J. Downey
2006 Proceedings of the 39th Annual Hawaii International Conference on System Sciences (HICSS'06)  
SGCSE was best for performance predictions and the global measure was surprisingly robust.  ...  General CSE is currently measured using both general and global instruments, and in many studies, it has been a significant predictor of computing behaviors.  ...  CSE has been shown to play a role in a variety of computer dispositions and activities, including positive attitudes toward computers [23] , computer systems ability or performance [22] , and computer  ... 
doi:10.1109/hicss.2006.268 dblp:conf/hicss/Downey06 fatcat:mwmphbm2h5cu7op22imkqnem4i

Design and Calibration of Torque Measurement System of Comprehensive Performance Test Instrument of Industrial Robot Reducer

Zhen Yu, Zurong Qiu, Hao Li, Jie Xue, Wenchuan Hu, Chenglin Wang, Rodolfo E. Haber
2022 Computational Intelligence and Neuroscience  
The measurement of input and output torque of a precision reducer, the core component of an industrial robot, plays a vital role in evaluating the robot's performance.  ...  The experimental results show that the torque measurement accuracy of the torque measurement system can reach 0.1% FS after torque calibration and error compensation.  ...  Particularly, as the critical component [2], the performance of a reducer directly affects the motion accuracy and efficiency of the entire robot transmission system [3] . erefore, the performance detection  ... 
doi:10.1155/2022/8155818 pmid:35154307 pmcid:PMC8824749 fatcat:ee4nitr74fb55igmhyte2pmeca

Performance instrumentation techniques for parallel systems [chapter]

Daniel A. Reed
Performance Evaluation of Computer and Communication Systems  
Although the nascent state of parallel systems makes empirical performance measurement, analysis and tnnlng critical, rapid technological evolution, coupled with short product life cycles, hw often made  ...  Balancing the volume of captured performance data against its accuracy and timeliness requires both appropriate tools and an understanding of instrumentation costs, implementation alternatives, and support  ...  Acknowledgments My heartfelt thanks to the past and present members of the Pablo and Picasso research groups, without whom this work would not have been possible.  ... 
doi:10.1007/bfb0013864 dblp:conf/sigmetrics/Reed93 fatcat:5ilzifum4jdbndmy7ggbmty65u

Using Graphic Processors for Highspeed Simulations and other High Performance Computations at Low Costs [chapter]

Thomas Wiedemann
International Conference on Instrumentation, Measurement, Circuits and Systems (ICIMCS 2011)  
The performance advantages of dual and quad core processors have already been applied in high-speed calculations of video streams and other multimedia tasks.  ...  The paper discusses possible applications of graphic processors in simulation and other areas of high computation needs, like FEM or flow-analysis.  ...  The main reason is the nearly constant communication speed and increasing computation performance.  ... 
doi:10.1115/1.859902.paper239 fatcat:ngoaus5juzffnmdfavf6ldutaa

New Developments in Electronic Measurement Technology - Virtual Instruments

Ji Zhimin, Li Wenlong, Xiao Wei
2019 IOP Conference Series: Materials Science and Engineering  
This paper will introduce the development history of virtual instruments, analyze the composition and application of each system of virtual instruments, and improve the application range of electronic  ...  Under the rapid development of China's current information technology and science and technology, various advanced instruments and equipment have been widely used, and power measurement technology has  ...  In terms of composition, the virtual instrument is mainly composed of computer system, software system and instrument hardware system.  ... 
doi:10.1088/1757-899x/569/3/032037 fatcat:szjqvuiqf5ckvdznj2223eqwoy

Using cost to control instrumentation overhead

Jeffrey K. Hollingsworth, Barton P. Miller
1998 Theoretical Computer Science  
We implemented this cost system in the Paradyn Performance Tools and present several case studies demonstrating the accuracy of the cost system. 0 1998-Elsevier Science B.V. All rights reserved  ...  We allow programmers to define the level of perturbation their application can tolerate, and then regulate the amount of instrumentation to ensure that the threshold is not exceeded.  ...  Data collection is a critical problem for any parallel program performance measurement system.  ... 
doi:10.1016/s0304-3975(97)86792-8 fatcat:fscjigtx55ekfmnbak32uypfeq

Early Experiences with KTAU on the IBM BG/L [chapter]

Aroon Nataraj, Allen D. Malony, Alan Morris, Sameer Shende
2006 Lecture Notes in Computer Science  
The influences of OS and system-specific effects on application performance are increasingly important in high performance computing.  ...  KTAU extends the TAU performance system with kernel-level monitoring, while leveraging TAU's measurement and analysis capabilities.  ...  Measurement of the Compute Node applications and the CNK and correlation of both performance results across compute nodes. This is (partially) tackled by using applications instrumented with TAU.  ... 
doi:10.1007/11823285_11 fatcat:ezydqqnt7zbtrm2hytdfzwt4xa

Towards Autotuning of OpenMP Applications on Multicore Architectures [article]

Jakub Katarzyński, Maciej Cytowski
2014 arXiv   pre-print
Based on measurement of chosen hardware performance counters the tool decides on the number of parallel threads that should be used for execution of chosen code fragments.  ...  Our work was motivated by in-depth performance analysis of scientific applications and synthetic benchmarks on IBM Power 775 architecture.  ...  Code instrumentation is a useful technique to measure code's performance.  ... 
arXiv:1401.4063v1 fatcat:aiu52mirjvfc3g3qlswmnrmuzu


2009 Journal of Technology and Information Education  
Lab measuring lecture through internet is one of the progressive educational methods, having a potential to be applied for any science or technical subject, e.g. physics, electrotechnics, measuring etc  ...  It is inevitable to understand that such measuring lectures are supplementary tool for improvement of regular lectures.  ...  Enormous performance of computers and software are fully utilized.  ... 
doi:10.5507/jtie.2009.026 fatcat:sc7cxyfqjnglrhmx7tnhmvsxm4

Automatic realization of remote control of integrated components and general instruments in electric vehicle battery EOL test

Yuanteng Zhang, Huazhang Wang, Xiaoyan Zhang, Feng Luo, Ying-Ren Chien
2021 IEICE Electronics Express  
Based on the test content in the EOL test, this paper designs and develops a highly automated test and diagnosis system, introduces several general measuring instruments into the system and discards the  ...  This article introduces the instrument circuit hardware module and host computer language programming module in detail.  ...  The application of the computer control system of the automobile comprehensive performance inspection station provides an efficient and modern means for the automobile comprehensive performance inspection  ... 
doi:10.1587/elex.18.20210390 fatcat:tbhxrxwenbdhnfiyymuz3l5guy

Performance Technology for Complex Parallel and Distributed Systems [chapter]

Allen D. Malony, Sameer Shende
2000 Distributed and Parallel Systems  
With a flexible, modular instrumentation and measurement system, and an open performance data and analysis environment, TAU can target a range of complex performance scenarios.  ...  The ability of performance technology to keep pace with the growing complexity of parallel and distributed systems will depend on robust performance frameworks that can at once provide system-specific  ...  DEFC 0398 ER 259986), a DOE ASCI Level 3 grant (No. 03588-001-99 4R), and an NSF National Young Investigator award.  ... 
doi:10.1007/978-1-4615-4489-0_5 fatcat:6delemglungcln6azc7y4jpuia

An adaptive cost system for parallel program instrumentation [chapter]

Jeffrey K. Hollingsworth, Barton P. Miller
1996 Lecture Notes in Computer Science  
We implemented this cost system in the Paradyn Performance Tools and present case studies demonstrating the accuracy of the cost system.  ...  We allow programmers to de ne the level of perturbation their application can tolerate and then we regulate the amount o f instrumentation to ensure that threshold is not exceeded.  ...  Our approach is based on an instrumentation cost system that ensures that data collection and analysis can be accomplished while controlling the performance overhead of the instrumentation.  ... 
doi:10.1007/3-540-61626-8_11 fatcat:z7xbq37m5vdgte7n365noncriq

Virtual Instrumentation Techniques in Test and Evaluation of Launch Vehicle Avionics

R. Sethunadh, S. Athuladevi, S. Sankara Iyer
2002 Defence Science Journal  
The virtual instrumentation system-based checkouts present cost-effective, compact, and user-friendly human-machine interfaces for the test and evaluation of these packages.  ...  The experiences at the Vikram Sarabhai Space Centre (VSSC) with virtual instrumentation systems, highlighting the virtual instrumentation-based checkout systemsof pyro current monitoring package and video  ...  By changing the algorithm, the same system performs new* measuring processes.  ... 
doi:10.14429/dsj.52.2191 fatcat:vfetiehiufduvgylhflh3ews54
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