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Balancing performance and productivity for the development of dynamic binary instrumentation tools: a case study on Arm systems

Cosmin Gorgovan, Guillermo Callaghan, Mikel Luján
2020 Proceedings of the 29th International Conference on Compiler Construction  
This API allows DBI tool developers to balance performance and productivity at a fine-grain level. The API is implemented on top of the MAMBO DBI system.  ...  Dynamic Binary Instrumentation (DBI) is a well-established approach for analysing the execution of applications at the level of machine code.  ...  Mikel Luján is supported by an Arm/RAEng Research Chair award and is a Royal Society Wolfson Fellow.  ... 
doi:10.1145/3377555.3377895 dblp:conf/cc/GorgovanCL20 fatcat:pkqw2vgc55fvzcweixvqoig52u

Scalable Parallel Performance Measurement and Analysis Tools — State-of-the-Art and Future Challenges

2014 Supercomputing Frontiers and Innovations  
This article will summarize the state-of-the-art of scalable and portable parallel performance tools and the challenges these tools are facing on future extreme-scale and big data systems.  ...  As the systems get larger, their behavior becomes more and more dynamic and unpredictable because of hard-and software re-configurations due to fault recovery and power usage optimizations.  ...  The author would like to use this opportunity to thank the HPC performance tools community in general and the Scalasca, Vampir, TAU, and Paraver teams in particular for many fruitful discussions, insights  ... 
doi:10.14529/jsfi140207 fatcat:vyeysz4mtbbefobkylzjqqhji4

Profiling And Tracing Tools For Performance Analysis Of Large Scale Applications

Thomas Ponweiser
2017 Zenodo  
The practical usage of these tools is demonstrated based on case studies on the widely used molecular dynamics simulation code GROMACS.  ...  The usage of modern profiling and tracing tools is vital for understanding program behaviour, performance bottlenecks and optimisation potentials in HPC applications.  ...  Last but not least, we would also like to thank the developers of HPCToolkit, SCALASCA as well as Extrae and Paraver for their quick and very helpful support by e-mail.  ... 
doi:10.5281/zenodo.830389 fatcat:277nj3smyjbc5kng2ly4rctqs4

Pulsars as tools for fundamental physics & astrophysics

J.M. Cordes, M. Kramer, T.J.W. Lazio, B.W. Stappers, D.C. Backer, S. Johnston
2004 New astronomy reviews (Print)  
The SKA will provide a complete census of pulsars in both the Galaxy and in Galactic globular clusters that can be used to provide a detailed map of the electron density and magnetic fields, the dynamics  ...  a pulsar-timing array for the detection of low-frequency gravitational waves.  ...  needs to be considered on a case-by-case basis.  ... 
doi:10.1016/j.newar.2004.09.040 fatcat:krnfj72d3re3bdtcglnl56xzri

D7.2.1 A Report on the Survey of HPC Tools and Techniques

Michael Lysaght, Bjorn Lindi, Vit Vondrak, John Donners, Marc Tajchman
2013 Zenodo  
This deliverable contains a comprehensive survey of the research activity undertaken within PRACE to date so as to better understand what HPC tools and techniques have been developed that could be successfully  ...  This applications enabling activity will use the most promising tools, algorithms and standards for optimisation and parallel scaling that have recently been developed through research and experience in  ...  GPU MIC ARM Heterogeneous Yes No On-going No No Yes work Table 20 Chapel -Target systems/architectures 20 A Report on the Survey of HPC Tools and Techniques D7.2.1 for X10 developed by IBM Portability  ... 
doi:10.5281/zenodo.6575492 fatcat:grwigpxd7naifbzo6w67w4glrm

ComDetective

Muhammad Aditya Sasongko, Milind Chabbi, Palwisha Akhtar, Didem Unat
2019 Proceedings of the International Conference for High Performance Computing, Networking, Storage and Analysis on - SC '19  
We developed ComDetective, a communication matrix generation tool that leverages PMUs and debug registers to detect inter-thread data movement on a sampling basis and avoids the drawbacks of prior work  ...  SUMMARY OF THE EXPERIMENTS REPORTED We built our tool on top of the HPCToolkit v2017.11 and ran all the experiments using gcc-5.4 compiler on a 10-core 2-socket Intel Xeon E5-2640 v4 Broadwell CPU.  ...  ACKNOWLEDGMENTS The authors from Koç University are supported by the Scientific and Technological Research Council of Turkey (TUBITAK), Grant no. 215E193.  ... 
doi:10.1145/3295500.3356214 dblp:conf/sc/SasongkoCAU19 fatcat:qzonva3bmfd63eg6al4lianeia

The hArtes Tool Chain [chapter]

Koen Bertels, Ariano Lattanzi, Emanuele Ciavattini, Ferruccio Bettarelli, Maria Teresa Chiaradia, Raffaele Nutricato, Alberto Morea, Anna Antola, Fabrizio Ferrandi, Marco Lattuada, Christian Pilato, Donatella Sciuto (+10 others)
2012 Hardware/Software Co-design for Heterogeneous Multi-core Platforms  
Hardware/Software Co-design for Heterogeneous Multi-core Platforms: The hArtes Toolchain, chapter The hArtes Tool Chain, pages 9-109.  ...  Springer Netherlands, 2012 The final pubblication is available in Springer via http://dx.  ...  Case Studies: the JPEG encoder and the DRM decoder In this section, we analyze two different case studies for our partitioning methodology: the JPEG encoder and the core of the Digital Radio Mondiale (  ... 
doi:10.1007/978-94-007-1406-9_2 fatcat:izopdxmxxnegnotxjvvcqmle3i

Manycore simulation for peta-scale system design: Motivation, tools, challenges and prospects

Javad Zarrin, Rui L. Aguiar, João Paulo Barraca
2017 Simulation modelling practice and theory  
The emergence of peta-scale systems and the upcoming manycore era brings nevertheless new challenges to computing systems and architectures, adding further difficulties and requirements on the development  ...  Abstract The architecture design of peta-scale computing systems is complex and presents lots of difficulties to designs, as current tools lack support for relevant features of future scenarios.  ...  In such a case, the optimizer aims to optimize the system under study from a certain point of view, therefore it needs to evaluate the system from a particular view by simulating the certain aspects of  ... 
doi:10.1016/j.simpat.2016.12.014 fatcat:j2acoyv235awfjkz6w7krvzh44

Appearance learning for 3D tracking of robotic surgical tools

Austin Reiter, Peter K Allen, Tao Zhao
2013 The international journal of robotics research  
By training a robust visual feature descriptor on low-level landmark features, we build a framework for fusing robot kinematics and 3D visual observations to track surgical tools over long periods of time  ...  We present experimental results using the da Vinci ® surgical robot using a combination of both ex-vivo and in-vivo environments.  ...  This test allows for robust splitting of the data and is efficiently utilized as it is only a dot product, an addition, and a binary comparison per tree node.  ... 
doi:10.1177/0278364913507796 fatcat:xxfq623dcvhghdhkwmnzxfjkhq

Methods and tools for causal discovery and causal inference

Ana Rita Nogueira, Andrea Pugnana, Salvatore Ruggieri, Dino Pedreschi, João Gama
2022 Wiley Interdisciplinary Reviews Data Mining and Knowledge Discovery  
In recent years, the study of causal relationships has become a crucial part of the Artificial Intelligence community, as causality can be a key tool for overcoming some limitations of correlation-based  ...  The latter aims to estimate the impact deriving from a change of a certain variable over an outcome of interest.  ...  [Correction added on 25 May 2022, after first online publication: CRUI funding statement has been added.] CONFLICT OF INTEREST The authors have declared no conflicts of interest for this article.  ... 
doi:10.1002/widm.1449 fatcat:pselfqzxgbhtzboii6l26qwe7q

DroidbotX: Test Case Generation Tool for Android Applications Using Q-Learning

Husam N. Yasin, Siti Hafizah Ab Hamid, Raja Jamilah Raja Yusof
2021 Symmetry  
The overall performance of the proposed solution was compared to five state-of-the-art test generation tools on 30 Android applications.  ...  A Q-Learning-based test coverage approach developed in DroidbotX was proposed to generate GUI test cases for Android applications to maximize instruction coverage, method coverage, and activity coverage  ...  This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.  ... 
doi:10.3390/sym13020310 fatcat:6v6ovsadavfr7nkaxoujcgymsq

Multifactorial Screening Tool for Determining Fall Risk in Community-Dwelling Adults Aged 50 Years or Over (FallSensing): Protocol for a Prospective Study

Anabela Correia Martins, Juliana Moreira, Catarina Silva, Joana Silva, Cláudia Tonelo, Daniela Baltazar, Clara Rocha, Telmo Pereira, Inês Sousa
2018 JMIR Research Protocols  
Objective: The objective of our study was to develop a multifactorial, instrumented, screening tool for fall risk, according to the key risk factors for falls, among Portuguese community-dwelling adults  ...  aged 50 years or over and to prospectively validate a risk prediction model for the risk of falling.  ...  and centers, clinics, and other entities hosting the screenings performed to date.  ... 
doi:10.2196/10304 pmid:30072360 pmcid:PMC6096167 fatcat:brcfcn6ehfdttpsay4rgwhoiwq

A tool to analyze the performance of multithreaded programs on NUMA architectures

Xu Liu, John Mellor-Crummey
2014 Proceedings of the 19th ACM SIGPLAN symposium on Principles and practice of parallel programming - PPoPP '14  
To address this need, we enhanced the HPCToolkit performance tools to support measurement and analysis of performance problems on multiprocessor systems with multiple NUMA domains.  ...  To use multiprocessor systems efficiently, programmers need performance tools to guide the design of NUMA-aware codes.  ...  Acknowledgments We thank Laksono Adhianto, Mike Fagan, and Mark Krentel for their contributions to HPCToolkit. Without their efforts, this work would not have been possible.  ... 
doi:10.1145/2555243.2555271 dblp:conf/ppopp/LiuM14 fatcat:whjsygf6nrdo3pi24h5gvgsuci

MaxiMask and MaxiTrack: two new tools for identifying contaminants in astronomical images using convolutional neural networks [article]

Maxime Paillassa, Emmanuel Bertin, Hervé Bouy
2019 arXiv   pre-print
We quantify the performance of both classifiers and show that MaxiMask achieves state-of-the-art performance for the identification of cosmic ray hits.  ...  The first classifier, MaxiMask, performs semantic segmentation and generates bad pixel maps for each contaminant, based on the probability for each pixel to belong to a given contaminant class.  ...  The HSC instrumentation and software were developed by the National Astronomical Observatory of Japan (NAOJ), the Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU), the University  ... 
arXiv:1907.08298v1 fatcat:cwe4udibwbhglfmfdis5isgxay

Psychology's task: technique, tools and training

H Kay
1968 Advancement of science  
to the study of a new subject, and so on.  ...  He has studied skills and may begin by examining the placement of instruments and pedals in the car itself.  ... 
pmid:5683842 fatcat:laya3vtywrcshhlg566og5hjqa
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