Výsledky vyhledávání - distributed-memory parallelism

3D DFT by block tensor-matrix multiplication via a modified Cannon's algorithm: Implementation and scaling on distributed-memory clusters with fat tree networks Autor Malapally, Nitin, Bolnykh, Viacheslav, Suarez, Estela, Carloni, Paolo, Lippert, Thomas, Mandelli, Davide

“…A known scalability bottleneck of the parallel 3D FFT is its use of all-to-all communications. Here, we present S3DFT, a library that circumvents this by using…”
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A framework for exploiting task and data parallelism on distributed memory multicomputers Autor Ramaswamy, S., Sapatnekar, S., Banerjee, P.

“… compiler and run-time support for distributed memory machines. In this paper, we explore a new compiler optimization for regular scientific applications-the simultaneous exploitation of task and data parallelism…”
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Axially-deformed solution of the Skyrme-Hartree-Fock-Bogoliubov equations using the transformed harmonic oscillator basis (IV) hfbtho (v4.0): A new version of the program Autor Marević, P., Schunck, N., Ney, E.M., Navarro Pérez, R., Verriere, M., O'Neal, J.

“…We describe the new version 4.0 of the code hfbtho that solves the nuclear Hartree-Fock-Bogoliubov problem by using the deformed harmonic oscillator basis in…”
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superB/NRPy: scalable, task-based numerical relativity for 3G gravitational wave science Autor Jadoo, Nishita, Jacques, Terrence Pierre, Etienne, Zachariah B

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Iterators, Schedulers, and Distributed-memory Parallelism Autor GRAEFE, GOETZ

“…’ for sequential and parallel query evaluation. Unfortunately, those earlier models have a severe drawback with respect to resource allocation in distributed‐memory systems…”
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Massively parallel implementation and approaches to simulate quantum dynamics using Krylov subspace techniques Autor Brenes, Marlon, Varma, Vipin Kerala, Scardicchio, Antonello, Girotto, Ivan

“…We have developed an application and implemented parallel algorithms in order to provide a computational framework suitable for massively parallel…”
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Leveraging HPC accelerator architectures with modern techniques — hydrologic modeling on GPUs with ParFlow Autor Hokkanen, Jaro, Kollet, Stefan, Kraus, Jiri, Herten, Andreas, Hrywniak, Markus, Pleiter, Dirk

“…Rapidly changing heterogeneous supercomputer architectures pose a great challenge to many scientific communities trying to leverage the latest technology in…”
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MPI+X: task-based parallelisation and dynamic load balance of finite element assembly Autor Garcia-Gasulla, Marta, Houzeaux, Guillaume, Ferrer, Roger, Artigues, Antoni, López, Victor, Labarta, Jesús, Vázquez, Mariano

“… of the MPI partitions to compute element matrices and vectors and then of their assemblies. In a MPI+X hybrid parallelism context, X has consisted traditionally of loop…”
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Parallelization of a distributed ecohydrological model Autor Liu, Ning, Shaikh, Mohsin Ahmed, Kala, Jatin, Harper, Richard J., Dell, Bernard, Liu, Shirong, Sun, Ge

“… High resolution simulations at a large scale are therefore computationally expensive and cause a run-time memory burden. Using distributed (MPI) and shared (OpenMP…”
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A scalable scheduling scheme for functional parallelism on distributed memory multiprocessor systems Autor Pande, S., Agrawal, D.P., Mauney, J.

“… and partially at run time. Assuming infinite number of processors, the compile time schedule is found using a new concept of the threshold of a task that quantifies a trade-off between the schedule-length and the degree of parallelism…”
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A shared compilation stack for distributed-memory parallelism in stencil DSLs Autor Bisbas, George, Lydike, Anton, Bauer, Emilien, Brown, Nick, Fehr, Mathieu, Mitchell, Lawrence, Rodriguez-Canal, Gabriel, Jamieson, Maurice, Kelly, Paul H J, Steuwer, Michel, Grosser, Tobias

“…Domain Specific Languages (DSLs) increase programmer productivity and provide high performance. Their targeted abstractions allow scientists to express…”
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A Robust Compile Time Method for Scheduling Task Parallelism on Distributed Memory Machines Autor Darbha, Sekhar, Pande, Santosh

“…A compile time scheduling algorithm for a variable number of available processors is introduced and the impact of the change of computation and communication…”
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On the Test Particle Monte-Carlo method to solve the steady state Boltzmann equation, the congruity of its results with experiments and its potential for shared memory parallelism Autor Rondeau, Maxime, Arès, R.

“…The Test Particle Monte Carlo is a known method to solve the steady state Boltzmann particle transport equation in rarefied gas systems. A description of the…”
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High-Performance Sorting-Based k-mer Counting in Distributed Memory with Flexible Hybrid Parallelism Autor Li, Yifan, Guidi, Giulia

“… Due to the growing volume of data, the scaling of the counting process is critical. In the literature, distributed memory software uses hash tables, which exhibit poor cache friendliness and consume excessive memory…”
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CAPTURE: Memory-Centric Partitioning for Distributed DNN Training with Hybrid Parallelism Autor Dreuning, Henk, Verstoep, Kees, Bal, Henri E., van Nieuwpoort, Rob V.

“… Hybrid-parallel training approaches have emerged that combine pipelining with data and tensor parallelism to facilitate the training of large DL models on distributed hardware setups…”
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A study of shared-memory parallelism in a multifrontal solver Autor L’Excellent, Jean-Yves, Sid-Lakhdar, Wissam M.

“… We introduce shared-memory parallelism in a parallel distributed-memory solver, targeting multi-core architectures…”
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A robust compile time method for scheduling task parallelism on distributed memory machines Autor Darbha, S., Pande, S.

“…A desirable property of a compile time scheduling algorithm is robustness against the variations in the computation and communication costs so that the run…”
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Reservoir Echo State Network for Classification of Multivariate Time Series Autor Purkayastha, Basab Bijoy, Barma, Shovan

“… It leverages both CPU-shared memory and parallel distributed memory architecture to efficiently capture reservoir state's optimal model space representation, addressing computational challenges in MTS analysis…”
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Automated MPI-X Code Generation for Scalable Finite-Difference Solvers Autor Bisbas, George, Nelson, Rhodri, Louboutin, Mathias, Luporini, Fabio, Kelly, Paul H.J., Gorman, Gerard

“… This paper introduces automated codegeneration techniques specifically tailored for distributed memory parallelism (DMP…”
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Scalable Adaptive PDE Solvers in Arbitrary Domains Autor Kumar, Saurabh, Ishii, Masado, Fernando, Milinda, Gao, Boshun, Tan, Kendrick, Hsu, Ming-Chen, Krishnamurthy, Adarsh, Sundar, Hari, Ganapathysubramanian, Baskar

“…Efficiently and accurately simulating partial differential equations (PDEs) in and around arbitrarily defined geometries, especially with high levels of…”
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