A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
Filters
A general-purpose hierarchical mesh partitioning method with node balancing strategies for large-scale numerical simulations
[article]
2018
arXiv
pre-print
Preserved Fulltext
Other Versions
In this work, we consider a general-purpose hierarchical partitioner which takes into account the existence of multiple processor cores and shared memory in a compute node while partitioning a graph into ...
Large-scale parallel numerical simulations are essential for a wide range of engineering problems that involve complex, coupled physical processes interacting across a broad range of spatial and temporal ...
CONCLUSIONS AND FUTURE WORK A general-purpose hierarchical mesh partitioning method was introduced and discussed for large-scale scientific computing. ...
arXiv:1809.02666v2
fatcat:yxfhslx3izbonlh7gyfidyikhi
A numerical method for multiphysics simulations based on hierarchical Cartesian grids
2015
Journal of Fluid Science and Technology
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
We present a numerical method based on hierarchical Cartesian grids for the simulation of multiphysics problems, here in particular for the conjugate heat transfer between a fluid and a solid. ...
The data structures developed for this simulation method allow to account for moving objects and are especially well suited for massive parallelization. ...
Acknowledgments This work has been financed by the research cluster Fuel production with renewable raw materials (BrenaRo) at RWTH Aachen University as well as by the German Research Foundation (DFG) within ...
doi:10.1299/jfst.2015jfst0002
fatcat:nwt33xykpjfbldqnfkyozj3q3q
Dynamic Load Balancing for PIC code using Eulerian/Lagrangian partitioning
[article]
2017
arXiv
pre-print
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
This document presents an analysis of different load balance strategies for a Plasma physics code that models high energy particle beams with PIC method. ...
A comparison of different load balancing algorithms is given: static or dynamic ones. Lagrangian and Eulerian partitioning techniques have been investigated. ...
Different strategies for load balancing Parallelisation of a PIC code relies to a large extent on the load balancing chosen and the partitioning scheme used. ...
arXiv:1706.08362v1
fatcat:cud476qoincjdebv4glq4fwnki
Hardware Locality-Aware Partitioning and Dynamic Load-Balancing of Unstructured Meshes for Large-Scale Scientific Applications
2020
Proceedings of the Platform for Advanced Scientific Computing Conference
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
Note that this fulltext copy is not of the "primary" version of this work. The version it corresponds to is:
2020 pre-print arXiv:2008.00832v1 fatcat:yhblopsoqnazxdrq7rk36c4cmu
We present an open-source topology-aware hierarchical unstructured mesh partitioning and load-balancing tool TreePart. ...
It provides a range of partitioning methods by interfacing with existing shared and distributed memory parallel partitioning libraries. ...
This work was granted access to the HPC resources of IDRIS under an allocation by GENCI for the Grand Challenges Jean Zay (2019). ...
doi:10.1145/3394277.3401851
dblp:conf/pasc/MohanamuralyS20
fatcat:thhnjsb7ufbgbmvmf6abiyzlri
New challenges in dynamic load balancing
2005
Applied Numerical Mathematics
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2009; you can also visit the original URL.
The file type is application/pdf.
Data partitioning and load balancing are important components of parallel computations. Many different partitioning strategies have been developed, with great effectiveness in parallel applications. ...
New models are needed for non-square, non-symmetric, and highly connected systems arising from applications in biology, circuits, and materials simulations. ...
Numerous strategies for static and dynamic load balancing have been developed, including recursive bisection (RB) methods [1] [2] [3] , space-filling curve (SFC) partitioning [4] [5] [6] [7] [8] and ...
doi:10.1016/j.apnum.2004.08.028
fatcat:papkwaxblzcqdi6ove7lwe46ve
Scalability and some optimization of the Finite-volumE Sea ice-Ocean Model, Version 2.0 (FESOM2)
2019
Geoscientific Model Development Discussions
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
Furthermore, strategies for improvements in parallel performance are presented and assessed. ...
Several model enhancements, improving this scalability for large numbers of processes, are described and tested. ...
Schematics of an HPC cluster for purposes of hierarchic mesh partitioning (left) and a comparison of the total, SSH, and sea-ice scaling for hierarchic (continuous lines) and non-hierarchic (dashed lines ...
doi:10.5194/gmd-2018-334
fatcat:vq27gmw63fartpyovb5gb4vno4
Advanced general-purpose computational mechanics system for large-scale analysis and design
2002
Journal of Computational and Applied Mathematics
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
with a 60 million DOF mesh on Hitachi SR2201 (1024 PEs), and nonparametric shape optimization of a support structure for an express way with a one million DOF mesh on a PC cluster (10 PEs). ...
We have been developing an advanced general-purpose computational mechanics system, named ADVEN-TURE, which is designed to be able to analyze a model of arbitrary shape with a 10 -100 million degrees of ...
Acknowledgements This work was performed as a part of Research for the Future Program sponsored by the Japan Society for the Promotion of Science. ...
doi:10.1016/s0377-0427(02)00536-8
fatcat:dbe7itm7svbuxencxg54alkvuq
Addressing spatiotemporal and computational heterogeneity in structured adaptive mesh refinement
2006
Computing and Visualization in Science
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
This paper presents hierarchical partitioning, bin-packing based load balancing, and Dispatch structured partitioning strategies to manage the spatiotemporal and computational heterogeneity in SAMR applications ...
Structured adaptive mesh refinement (SAMR) techniques can provide accurate and costeffective solutions to realistic scientific and engineering simulations modeling complex physical phenomena. ...
John Hewson, Sandia National Laboratories, Albuquerque, NM, for his help with the methane-air chemical mechanism and generating a self-supporting chemistry module for us. ...
doi:10.1007/s00791-006-0028-7
fatcat:4cgjjql7uze5rdehxlhga3f6l4
Scalable adaptive mantle convection simulation on petascale supercomputers
2008
2008 SC - International Conference for High Performance Computing, Networking, Storage and Analysis
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2014; you can also visit the original URL.
The file type is application/pdf.
With RHEA's adaptive capabilities, we have been able to reduce the number of elements by over three orders of magnitude, thus enabling us to simulate large-scale mantle convection with a finest local resolution ...
Thus parallel adaptive mesh refinement and coarsening (AMR) is essential. We present RHEA, a new generation mantle convection code designed to scale to hundreds of thousands of cores. ...
We acknowledge many helpful discussions with hypre developers Rob Falgout and Ulrike Yang, and with George Biros. ...
doi:10.1109/sc.2008.5214248
dblp:conf/sc/BursteddeGGSTTWZ08
fatcat:6lxfuvf6znhltfvhkg55yeiqie
Data structures and load balancing for parallel adaptive hp finite-element methods
2003
Computers and Mathematics with Applications
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
Adaptive hp finite-element methods (FEM) ...
Parallel versions of these methods offer the potential for very accurate solution of large scale physically realistic models of important physical systems. ...
A final difficulty that is encountered in the design of a solver for use across a large class of parallel architectures is the choice of solution method for best efficiency. ...
doi:10.1016/s0898-1221(03)90084-8
fatcat:kfbmcn4sk5eptguihyc5jhmqbm
A scalable parallel finite element framework for growing geometries. Application to metal additive manufacturing
2019
International Journal for Numerical Methods in Engineering
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
Note that this fulltext copy is not of the "primary" version of this work. The version it corresponds to is:
2018 pre-print arXiv:1810.03506v2 fatcat:ndgzkfrq3jgylb5jwom5du2y2yOther Versions
It is grounded on three building blocks: (1) Hierarchical adaptive mesh refinement with octree-based meshes; (2) a parallel strategy to model the growth of the geometry; (3) state-of-the-art parallel iterative ...
After verification against a 3D benchmark, a strong-scaling analysis assesses performance and identifies major sources of parallel overhead. ...
Mesh generation by hierarchical AMR Physical phenomena are often characterized by multiple scales in both space and time. ...
doi:10.1002/nme.6085
fatcat:qrctvxbjlja7zl6nq5l3buwqui
FEMS: An Adaptive Finite Element Solver
2007
2007 IEEE International Parallel and Distributed Processing Symposium
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2010; you can also visit the original URL.
The file type is application/pdf.
FEMS relies on a simple model-driven mesh partitioning strategy, which makes it possible to perform efficient static load balancing on both homogeneous and heterogeneous machines. ...
We present the software architecture of FEMS, a parallel multifrontal solver for FE applications whose main feature is an install-time training phase where adaptation to the computing platform takes place ...
partitioning for load balancing purposes, and to optimize communication patterns. ...
doi:10.1109/ipdps.2007.370569
dblp:conf/ipps/Bertoldo07
fatcat:gn3biypjwndg3hb7elkecelwwm
Scalability and some optimization of the Finite-volumE Sea ice–Ocean Model, Version 2.0 (FESOM2)
2019
Geoscientific Model Development
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
Furthermore, strategies for improvements in parallel performance are presented and assessed. ...
Several model enhancements improving this scalability for large numbers of processes are described and tested. ...
We would also like to extend special thanks to Hendryk Bockelmann (DKRZ) for his active support with scaling experiments on large numbers of nodes. Financial support. ...
doi:10.5194/gmd-12-3991-2019
fatcat:w6tzezu7dnd3zont55u2aohcne
Productive Parallel Linear Algebra Programming with Unstructured Topology Adaption
2012
2012 12th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing (ccgrid 2012)
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
For this purpose, we developed a linear algebra library -Parallel Matrix Template Library 4 -based on generic and meta-programming introducing a new paradigm: meta-tuning. ...
The discretization of complex geometries in unstructured meshes leads to sparse matrices with irregular patterns. ...
Acknowledgments We thank Sebastian Aland for the CFD example and Thomas Witkowski and Andreas Naumann for the benchmarks with PMTL4 and PETSc. ...
doi:10.1109/ccgrid.2012.51
dblp:conf/ccgrid/GottschlingH12
fatcat:q7xojjtnd5elhkhh37f2rghpge
Comparison of Message-Passing and Shared Memory Implementations of the GMRES Method on MIMD Computers
2001
Scientific Programming
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
A combined approach, the hybrid programming model suitable for multicomputers with SMP nodes, is introduced. ...
In this paper we compare different parallel implementations of the same algorithm for solving nonlinear simulation problems on unstructured meshes. ...
Monika Dekster (AGH Cracow) for her assistance in preparation of the manuscript. ...
doi:10.1155/2001/681621
fatcat:odxbcq52w5gytkzb2ywewg5szq
« Previous
Showing results 1 — 15 out of 3,138 results