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Snowmass 2013 Computing Frontier: Accelerator Science
[article]
2013
arXiv
pre-print
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It summarizes the computing requirements to support accelerator technology in both Energy and Intensity Frontiers. ...
This is the working summary of the Accelerator Science working group of the Computing Frontier of the Snowmass meeting 2013. ...
The requirements for high-fidelity computer simulations of accelerator systems and accelerator components are driven by the need to develop and optimize new accelerator concepts and design machines based ...
arXiv:1310.2203v1
fatcat:e7vuzptsp5drbcw62nkjbqgguq
IPDPS 2021 PhD Forum Welcome and Abstracts
2021
2021 IEEE International Parallel and Distributed Processing Symposium Workshops (IPDPSW)
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Description The IEEE Computer Society has created the Technical Consortium on High Performance Computing (TCHPC) to advance and coordinate work in the field of high performance computing networking, storage ...
The Consortium has launched an Education and Outreach Initiative to coordinate activities, information, and best practices around HPC education/outreach across its member technical committees and the broader ...
In addition, there is a high correlation of 0.907 and a mean absolute error of 0.005 between the ground truth fidelity of the circuit chosen by our model and the maximum ground truth fidelity of the circuit ...
doi:10.1109/ipdpsw52791.2021.00160
fatcat:c5srphikvba6pklpxsyx6lfmhy
Modeling of Advanced Accelerator Concepts
[article]
2021
arXiv
pre-print
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Computer modeling is essential to research on Advanced Accelerator Concepts (AAC), as well as to their design and operation. ...
This paper summarizes the current status and future needs of AAC systems and reports on several key aspects of (i) high-performance computing (including performance, portability, scalability, advanced ...
High-Performance Computing High-Performance Computing (HPC) continues to be a tightly connected domain for advanced accelerator modeling research. ...
arXiv:2109.05133v2
fatcat:tu3lfqarnrecdahcvyhx4ddby4
Faster than Real-Time Simulation: Methods, Tools, and Applications
[article]
2021
arXiv
pre-print
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The acceleration of simulation times can be achieved by utilizing digital real-time simulators (RTS) and high-performance computing (HPC) architectures. ...
Namely, the provided acceleration can be used for improving system scheduling, assessing system vulnerabilities, and predicting system disruptions in real-time systems. ...
In order to achieve FTRT simulation, both the integration of a digital real-time simulator (RTS) and a high-performance computing (HPC)-based simulator is essential. ...
arXiv:2104.04149v1
fatcat:gvfr2j7kqzhevgnvq2poq6ee6e
Exascale applications: skin in the game
2020
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
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These solutions will yield high-confidence insights and answers to the most critical problems and challenges for the USA in scientific discovery, national security, energy assurance, economic competitiveness ...
This article is part of a discussion meeting issue 'Numerical algorithms for high-performance computational science'. ...
This group represents the best and brightest leaders and doers the HPC and computational science community has to offer. ...
doi:10.1098/rsta.2019.0056
pmid:31955678
fatcat:6gijc65k2fa5lirhdkiudbie5q
Snowmass21 Accelerator Modeling Community White Paper
[article]
2022
arXiv
pre-print
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, and needs for scalable I/O and in-situ analysis. ...
After a summary of relevant comments and recommendations from various reports over the last ten years, this paper examines the modeling needs in accelerator physics, from the modeling of single beams and ...
For example, multi-fidelity Bayesian optimization [195] , where evaluations of the optimization objective at a lower fidelity are used as a proxy for high fidelity simulations, is naturally well-suited ...
arXiv:2203.08335v2
fatcat:snrivaotkzdvznsjayvenfpg2i
Estimating Silent Data Corruption Rates Using a Two-Level Model
[article]
2020
arXiv
pre-print
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High-performance and safety-critical system architects must accurately evaluate the application-level silent data corruption (SDC) rates of processors to soft errors. ...
Existing approaches that rely on low-level simulations with fault injection cannot evaluate full applications because of their slow speeds, while application-level accelerated fault testing in accelerated ...
application failure rate evaluation methodology that accounts for both low-level and program-level error propagation. ...
arXiv:2005.01445v1
fatcat:f4fd2rmii5bj3lpm5fszqsrg7a
Machine learning for orders of magnitude speedup in multiobjective optimization of particle accelerator systems
2020
Physical Review Accelerators and Beams
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High-fidelity physics simulations are powerful tools in the design and optimization of charged particle accelerators. ...
Our approach enables new ways for high-fidelity particle accelerator simulations to be used, at comparatively little computational cost. ...
To support this, design and optimization studies for particle accelerator systems often require the use of thousands of cores at high performance computing (HPC) facilities. ...
doi:10.1103/physrevaccelbeams.23.044601
fatcat:2eyarxwizfantimz5ewonludm4
DS3: A System-Level Domain-Specific System-on-Chip Simulation Framework
[article]
2020
arXiv
pre-print
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However, this potential is contingent upon optimizing the SoC for the target domain and utilizing its resources effectively at runtime. ...
DS3 enables both design space exploration and dynamic resource management for power-performance optimization of domain applications. ...
Government is authorized to reproduce and distribute reprints for Governmental purposes notwithstanding any copyright notation thereon. ...
arXiv:2003.09016v1
fatcat:mnupp3onafd6tcerxukln7hgtm
Customized data-driven RANS closures for bi-fidelity LES–RANS optimization
2021
Journal of Computational Physics
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In this article, we propose an efficient bi-fidelity shape optimization method for turbulent fluid-flow applications with Large-Eddy Simulation (LES) and Reynolds-averaged Navier-Stokes (RANS) as the high-and ...
This promise is seldom achieved in practice, due to the requirement that low-and high-fidelity models correlate well. ...
J (ψ) = ρĴ Low + Z (ψ) Similar to the standard single-fidelity Kriging model, the corresponding predictor and mean-squared error (MSE) of Kriging for the high-fidelity cost function arê J (ψ) = ρĴ Low ...
doi:10.1016/j.jcp.2021.110153
fatcat:sfvqegcf7rdnhdi2avuan3guca
The Landscape of Exascale Research
2020
ACM Computing Surveys
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CCS Concepts: • General and reference → Surveys and overviews; • Computer systems organization; • Hardware; • Software and its engineering; ...
In this work, we present an overview of these efforts and provide insight into the important trends, developments, and exciting research opportunities in exascale computing. ...
Di and Cappello [50] characterize the impact of bit-flip errors on execution results for 18 HPC applications. ...
doi:10.1145/3372390
fatcat:jhtwt7pxd5c5darhz75hiqgsnq
Correlation-wise Smoothing: Lightweight Knowledge Extraction for HPC Monitoring Data
[article]
2021
arXiv
pre-print
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Modern High-Performance Computing (HPC) and data center operators rely more and more on data analytics techniques to improve the efficiency and reliability of their operations. ...
We evaluate the CS method on HPC-ODA, a collection of datasets that we release with this work, and show that it leads to the same performance as most state-of-the-art methods while producing signatures ...
5 uniformly-sized folds are used for training and 1 for testing, evaluating all possible combinations. ...
arXiv:2010.06186v2
fatcat:y3yh6d2pibcdxis3ihv4zmm65y
Performance Estimation and Fault Diagnosis Based on Levenberg–Marquardt Algorithm for a Turbofan Engine
2018
Energies
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The accuracy of the proposed method is evaluated for estimating performance parameters in the transient case with Rayleigh process noise and Gaussian measurement noise. ...
In this paper, a novel method based on a Levenberg-Marquardt (LM) algorithm is proposed to enhance the fidelity of the performance estimation and the credibility of the fault diagnosis for the turbofan ...
HPC is an abbreviation for high pressure compressor and HPT is an abbreviation for high pressure turbine. ...
doi:10.3390/en11010181
fatcat:cpmz4ccugrh6hfltobb2qzt6na
D5.3: Updated Best Practices for HPC Procurement and Infrastructure
2014
Zenodo
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The PRACE-2IP Work Package 5 (WP5), "Best Practices for HPC Systems Commissioning", has two objectives: Procurement independent vendor relations and market watch (Task 1) Best practices for HPC Centre ...
WP5 provides input for defining and updating procurement plans and strategies through the sharing of the state of the art and best practices in procuring and operating production HPC systems. ...
hosting HPC facilities and supercomputing infrastructures (the Consorci Centre de Serveis Cientifics i Academics de Catalunya, CESCA in Spain and the group HKNR in LUH). ...
doi:10.5281/zenodo.6572433
fatcat:cwiqrgf33jajjjvhubky4f6rau
Report of the HPC Correctness Summit, Jan 25--26, 2017, Washington, DC
[article]
2017
arXiv
pre-print
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Maintaining leadership in HPC requires the ability to support simulations at large scales and fidelity. ...
We close with the proposal for a two-day workshop in which the problems identified in this report can be more broadly discussed, and specific plans to launch these new research thrusts identified. ...
Concolic testing [22] has been demonstrated as an effective technique for generating high-coverage test suites and for finding deep errors in complex software applications. ...
arXiv:1705.07478v1
fatcat:2rebouk2tvbqhcfthfhz5abd7i
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