Results 21 to 30 of about 42,875 (250)

OpenMP application experiences: Porting to accelerated nodes

Parallel Computing, 2021
As recent enhancements to the OpenMP specification become available in its implementations, there is a need to share the results of experimentation in order to better understand the OpenMP implementation’s behavior in practice, to identify pitfalls, and ...
Seonmyeong Bak, C. Bertoni, Swen Boehm, R. Budiardja, Barbara M. Chapman, Johannes Doerfert, M. Eisenbach, H. Finkel, Oscar R. Hernandez, Joseph Huber, Shintaro Iwasaki, V. Kale, P. Kent, JaeHyuk Kwack, Meifeng Lin, P. Luszczek, Ye Luo, B. Pham, S. Pophale, K. Ravikumar, Vivek Sarkar, T. Scogland, Shilei Tian, P. Yeung   +23 more
semanticscholar   +1 more source

OpenMP Runtime

, 2022
This chapter introduces the design of the OpenMP runtime and its key components, the offloading library and the tasking runtime library. Starting from the execution model introduced in the previous chapters, we first abstractly describe the main interactions among the main actors involved in program execution.
Marongiu A., Tagliavini G., Quinones E.
openaire   +2 more sources

An accelerated framework for high-resolution X-ray holographic reconstruction. [PDF]

J Synchrotron Radiat
HiHolo, a high‐performance CUDA‐MPI software framework for X‐ray holographic reconstruction, achieves performance improvement over existing solutions while introducing three enhanced iterative algorithms that effectively reduce artifacts and improve spatial resolution in propagation‐based phase contrast imaging.X‐ray propagation‐based phase contrast ...
Hu J, Ji B, Hu Y, Wang L, Chang G, Shi J.   +5 more
europepmc   +2 more sources

Performance analysis of CUDA, OpenACC and OpenMP programming models on TESLA V100 GPU

Journal of Physics: Conference Series, 2021
Graphics processors are widely utilized in modern supercomputers as accelerators. Ability to perform efficient parallelization and low-level allow scientists to greatly boost performance of their codes.
M. Khalilov, Alexey Timoveev
semanticscholar   +1 more source

Parallelization of a Numerical Algorithm for Solving the Cauchy Problem for a Nonlinear Differential Equation of Fractional Variable Order Using OpenMP Technology

Vestnik KRAUNC: Fiziko-Matematičeskie Nauki, 2023
The article presents a software implementation of a parallel efficient and fast computational algorithm for solving the Cauchy problem for a nonlinear differential equation of a fractional variable order.
Tverdyi, D.A., Parovik, R.I., Hayotov, A.R., Boltaev, A.K.   +3 more
doaj   +1 more source

Venous Vessel Size Imaging Derived From A Breath-Hold Task. [PDF]

NMR Biomed
In this study, we propose the utilization of a spin‐ and gradient‐echo echo‐planar imaging approach, in conjunction with a numerical simulation, for the quantitative assessment of venous vessel size measurements during a breath‐hold task. ABSTRACT Vessel size imaging (VSI) to provide a measure of vessel radius in the brain has been demonstrated using ...
Zhang K, Hahn A, Triphan SMF, Wielpütz MO, Ziener CH, Ladd ME, Schlemmer HP, Kauczor HU, Sedlaczek O, Kurz FT.   +9 more
europepmc   +2 more sources

Developing Efficient Discrete Simulations on Multicore and GPU Architectures [PDF]

, 2020
In this paper we show how to efficiently implement parallel discrete simulations on multicoreandGPUarchitecturesthrougharealexampleofanapplication: acellularautomatamodel of laser dynamics.
Cagigas Muñiz, Daniel, Díaz del Río, Fernando, Guisado Lízar, José Luís, Jiménez-Morales, Francisco de Paula, López-Torres, Manuel Ramón   +4 more
core   +1 more source

Development of a hybrid parallel algorithm (MPI + OpenMP) for solving the Poisson equation

Вестник КазНУ. Серия математика, механика, информатика, 2018
This article presents the development of a hybrid parallel algorithm for solving the Dirichlet problem for the two-dimensional Poisson equation. MPI and OpenMP were chosen as the technology for parallelization.
Y. G. Kenzhebek, S. B. Baryssova, Т. S. Imankulov   +2 more
doaj   +1 more source

PAFit: An R Package for the Non-Parametric Estimation of Preferential Attachment and Node Fitness in Temporal Complex Networks

Journal of Statistical Software, 2020
Many real-world systems are profitably described as complex networks that grow over time. Preferential attachment and node fitness are two simple growth mechanisms that not only explain certain structural properties commonly observed in real-world ...
Thong Pham, Paul Sheridan, Hidetoshi Shimodaira   +2 more
doaj   +1 more source

Experiences in porting mini-applications to OpenACC and OpenMP on heterogeneous systems [PDF]

, 2020
This article studies mini-applications—Minisweep, GenASiS, GPP, and FF—that use computational methods commonly encountered in HPC. We have ported these applications to develop OpenACC and OpenMP versions, and evaluated their performance on Titan (Cray ...
Budiardja, RD, Daley, C, Gayatri, R, Hernandez, O, Joubert, W, Vergara Larrea, VG   +5 more
core   +2 more sources