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The Dune framework: Basic concepts and recent developments

2020
*
Computers and Mathematics with Applications
*

. /

doi:10.1016/j.camwa.2020.06.007
fatcat:37m6di54rbgo3m2y5y5m2hd234
*Computers**and*Mathematics with Applications 81 (2021)*Dune*provides several*implementations*of*grids*all*implementing*the*Dune*-*Grid**interface*. ...*Dune*-*Grid*: Abstract*interface**for**general**grids*featuring any dimension, various element types, conforming*and*nonconforming, local hierarchical refinement,*and**parallel*data decomposition. ... AlbertaGrid supports*grid**adaptation*but cannot be used*for**parallel**computations*.*A*variety of applications make use of the*Dune**grid**interface**for**adaptive**computations*. ...##
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The DUNE Framework: Basic Concepts and Recent Developments
[article]

2020
*
arXiv
*
pre-print

of the first

arXiv:1909.13672v3
fatcat:hc5a7al4xvhahdp7fs7f55cwg4
*Dune*version*in*2007*and*the main papers describing that state [1, 2]. ... This discussion is accompanied with*a*description of various advanced features, such as coupling of domains*and*cut cells,*grid*modifications such as*adaptation**and*moving domains, high order discretizations ... Acknowledgements We thank the*Dune*users*and*contributors*for*their continuous support, as only*a*vivid community unfolds the power of open source. ...##
###
Lightweight, semi-automatic variability extraction: a case study on scientific computing

2021
*
Empirical Software Engineering
*

AbstractIn

doi:10.1007/s10664-020-09922-8
fatcat:yujaqyh2xbd27nlwsj7btuo5ke
*scientific**computing*, researchers often use feature-rich software frameworks to simulate physical, chemical,*and*biological processes. ... Commonly, researchers follow*a*clone-*and*-own approach: Copying the code of an existing, similar simulation*and**adapting*it to the new simulation scenario. ... Acknowledgements This work has been supported by the German Research Foundation (DFG), as*part*of the Priority Programme 1648 "Software*for*Exascale*Computing*", under the contract AP 206/7*and*Pervolution ...##
###
High Energy Physics Forum for Computational Excellence: Working Group Reports (I. Applications Software II. Software Libraries and Tools III. Systems)
[article]

2015
*
arXiv
*
pre-print

As

arXiv:1510.08545v1
fatcat:ligxzve2ifgphnsys5pbzy4vty
*computational*technology evolves rapidly*in*new directions,*and*data throughput*and*volume continue to follow*a*steep trend-line, it is important*for*the HEP community to develop an effective response ...*In*order to help shape the desired response, the HEP Forum*for**Computational*Excellence (HEP-FCE) initiated*a*roadmap planning activity with two key overlapping drivers -- 1) software effectiveness,*and*... Acknowledgments We record our thanks to our colleagues -too many to name individually -*for*extensive discussions*and**for*assisting with this report*in**a*number of places. ...##
###
Exa-Dune – Flexible PDE Solvers, Numerical Methods and Applications
[article]

2019
*
arXiv
*
pre-print

*In*the Exa-

*Dune*project we have developed,

*implemented*

*and*optimised numerical algorithms

*and*software

*for*the scalable solution of partial differential equations (PDEs) on future exascale systems exhibiting ...

*a*heterogeneous massively

*parallel*architecture. ... We adopt this approach as

*a*first principle

*in*our MPI layer to handle asynchronous MPI operations

*and*propose

*a*highlevel C++ MPI

*interface*, which we provide

*in*D under the

*generic*

*interface*of

*Dune*:: ...

##
###
ComPASS : a tool for distributed parallel finite volume discretizations on general unstructured polyhedral meshes

2013
*
ESAIM: Proceedings and Surveys
*

The objective of the ComPASS project is to develop

doi:10.1051/proc/201343010
fatcat:nu4zv76z2zehxmf4zekstpckyq
*a**parallel*multiphase Darcy flow simulator*adapted*to*general*unstructured polyhedral meshes (*in**a**general*sense with possibly non planar faces)*and*to ... polyhedral mesh, the synchronization of the degrees of freedom,*and*the connection to*scientific*libraries including the partitioner METIS, the visualization tool PARAVIEW,*and*the*parallel*linear solver ... Acknowledgement The authors would like to thank the organisers of CEMRACS 2012*and*especially Pierre Navaro*for*its precious help*in*using the package PETSc*and*running our code on the cluster of Marseille ...##
###
Data Decomposition for Code Parallelization in Practice: What Do the Experts Need?

2013
*
2013 IEEE 10th International Conference on High Performance Computing and Communications & 2013 IEEE International Conference on Embedded and Ubiquitous Computing
*

*Parallelizing*serial software systems

*in*order to run

*in*

*a*High Performance

*Computing*(HPC) environment presents many challenges to developers. ... We discuss why existing tools have not been adopted

*in*industry

*and*based on our findings, provide

*a*number of recommendations

*for*future tool support. ... ACKNOWLEDGMENT We are grateful to the participants of the study

*for*their time

*and*enthusiasm. ...

##
###
Deep Underground Neutrino Experiment (DUNE), Far Detector Technical Design Report, Volume II: DUNE Physics
[article]

2020
*
arXiv
*
pre-print

Volume

arXiv:2002.03005v2
fatcat:k6pxhnzk6vfu3i5xijuzhcsmea
*II*of this TDR,*DUNE*Physics, describes the array of identified*scientific*opportunities*and*key goals. ... This document also serves*a*wider purpose as*a*statement on the*scientific*potential of*DUNE*as*a*central component within*a*global program of frontier theoretical*and*experimental particle physics research ...*A**test*spectrum input into the forward fitting algorithm produces*a*set of χ 2 values*for*every element*in**a**grid*. ...##
###
A Bottom-up approach to Grid-Computing at a University: the Black-Forest-Grid Initiative

2006
*
PIK - Praxis der Informationsverarbeitung und Kommunikation
*

1 Recent years have seen

doi:10.1515/piko.2006.81
fatcat:ntesur7nfndgtlyle4trttv4yi
*a*rapid increase*in*the need*for*highperformance*computing*. ... We demonstrate that using state of the art*grid**computing*technology the problem can now be addressed*in**a*bottom-up approach. ... This observation suggests to define*a*common*interface**for*the numerical schemes*and*to provide*a**generic**implementation**for*central*parts*of the discretization. ...##
###
A Scalable and Modular Software Architecture for Finite Elements on Hierarchical Hybrid Grids
[article]

2018
*
arXiv
*
pre-print

*In*this article,

*a*new

*generic*higher-order finite-element framework

*for*massively

*parallel*simulations is presented. ... Combining an unstructured topology with structured

*grid*refinement facilitates high geometric

*adaptability*

*and*matrix-free multigrid

*implementations*with excellent performance. ... Acknowledgements This work was partly supported by the German Research Foundation through the Priority Programme 1648 "Software

*for*Exascale

*Computing*" (SPPEXA)

*and*by grant WO671/11-1. ...

##
###
Large scale simulation of pressure induced phase-field fracture propagation using Utopia

2021
*
CCF Transactions on High Performance Computing
*

Complex numerical procedures can be expressed with few lines of code,

doi:10.1007/s42514-021-00069-6
pmid:34993419
pmcid:PMC8679698
fatcat:h4dcvfuzgbb5thnydtqbefkcti
*and*evaluated by different*implementations*, libraries, or*computing*hardware. ... Although*in*principle efficient iterative multi-level methods*for*these types of problems are available, they are not widely used*in*practice due to the complexity of their*parallel**implementation*. ... The*implementation*documented*in*Heister et al. (2015) ,*and*Klinsmann et al. (2015) relies on the package Deal*II*. Bangerth et al. (2007)*and*supports*adaptive*mesh refinement strategies. ...##
###
ParMooN—A modernized program package based on mapped finite elements

2017
*
Computers and Mathematics with Applications
*

ParMooN is

doi:10.1016/j.camwa.2016.12.020
fatcat:quu6qexjtrfddiv2y3v7rqmpsa
*a*program package*for*the numerical solution of elliptic*and*parabolic partial differential equations. ... Numerical studies, performed on*compute*servers, assess the efficiency of the*parallelized*geometric multigrid preconditioner*in*comparison with some*parallel*solvers that are available*in*the library ...*A*B C D*A*B C D (i)*A*B C D (*ii*)*A*B C D (iii)*A*B C D (iv) The*implementation*of the concepts described*in*this section have been*adapted*from MooNMD to ParMooN*in**a*straightforward way. ...##
###
ASCR/HEP Exascale Requirements Review Report
[article]

2016
*
arXiv
*
pre-print

be available at ASCR facilities, e) to build up

arXiv:1603.09303v2
fatcat:5j4ovt4rmbg45jxjwyhdi5ozva
*and*train*a*workforce capable of developing*and*using simulations*and*analysis to support HEP*scientific*research on next-*generation*systems. ... Appropriately configured leadership-class facilities can play*a*transformational role*in*enabling*scientific*discovery from these datasets. 4)*A*close integration of HPC simulation*and*data analysis will ...*Tests*of the MPI-*parallel*FFT have scaled up to ∼1 million MPI ranks*for**a*16,3843*grid*. ...##
###
Celeritas: GPU-accelerated particle transport for detector simulation in High Energy Physics experiments
[article]

2022
*
arXiv
*
pre-print

This paper presents the planned roadmap

arXiv:2203.09467v2
fatcat:psq4sv2mhfaelann4je6pvtgza
*for*Celeritas, including its proposed code architecture, physics capabilities,*and*strategies*for*integrating it with existing*and*future experimental HEP*computing*...*In*order to alleviate this impending*computational*bottleneck, the Celeritas MC particle transport code is designed to leverage the new*generation*of heterogeneous*computer*architectures, including the ... The ECP is*a*collaborative effort of two DOE organizations, the Office of Science*and*the National Nuclear Security Administration, that are responsible*for*the planning*and*preparation of*a*capable exascale ...##
###
Large scale simulation of pressure induced phase-field fracture propagation using Utopia
[article]

2020
*
arXiv
*
pre-print

Complex numerical procedures can be expressed with few lines of code,

arXiv:2007.12908v1
fatcat:x6wr4ekn6vaynpbzdzvzgscr2m
*and*evaluated by different*implementations*, libraries, or*computing*hardware. ... Although*in*principle efficient iterative multi-level methods*for*these types of problems are available, they are not widely used*in*practice due to the complexity of their*parallel**implementation*. ... The*implementation*documented*in*[57, 72] relies on the package Deal*II*. [11]*and*supports*adaptive*mesh refinement strategies. ...
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