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Li Long, Huaping Yang, Yan Zhou and Yong Yang
To improve the seismic connectivity reliability (SCR) analysis efficiency of water distribution systems (WDS) based on Monte Carlo (MC) simulation, the quasi-Monte Carlo (QMC) method sampled by a low-discrepancy sequence is applied. Furthermore, a parall...
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Dominic Windisch, Christian Kaever, Guido Juckeland and André Bieberle
In this article, we introduce a parallel algorithm for connected-component analysis (CCA) on GPUs which drastically reduces the volume of data to transfer from GPU to the host. CCA algorithms targeting GPUs typically store the extracted features in array...
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Amir Zarringhalam, Saeed Shiry Ghidary, Ali Mohades and Seyed-Ali Sadegh-Zadeh
In this paper, the concept of ultrametric structure is intertwined with the SLAM procedure. A set of pre-existing transformations has been used to create a new simultaneous localization and mapping (SLAM) algorithm. We have developed two new parallel alg...
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Dongchao Wang, Yi Yang, Agen Qiu, Xiaochen Kang, Jiakuan Han and Zhengyuan Chai
Geographically weighted regression (GWR) introduces the distance weighted kernel function to examine the non-stationarity of geographical phenomena and improve the performance of global regression. However, GWR calibration becomes critical when using a s...
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Natalija Stojanovic and Dragan Stojanovic
Watershed analysis, as a fundamental component of digital terrain analysis, is based on the Digital Elevation Model (DEM), which is a grid (raster) model of the Earth surface and topography. Watershed analysis consists of computationally and data intensi...
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Jan Masek,Radim Burget,Lukas Povoda,Malay Kishore Dutta
Pág. 101 - 107
Using modern Graphic Processing Units (GPUs) becomes very useful for computing complex and time consuming processes. GPUs provide high?performance computation capabilities with a good price. This paper deals with a multi?GPU OpenCL and CUDA implementatio...
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Tair Askar, Argyn Yergaliyev, Bekdaulet Shukirgaliyev and Ernazar Abdikamalov
This paper examines the performance of two popular GPU programming platforms, Numba and CuPy, for Monte Carlo radiation transport calculations. We conducted tests involving random number generation and one-dimensional Monte Carlo radiation transport in p...
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Xuerui Zheng, Jiping Jin, Yajun Wang, Min Yuan and Sheng Qiang
With the development of engineering technology, engineering has higher requirements for the accuracy and the scale of simulation calculation. The computational efficiency of traditional serial programs cannot meet the requirements of engineering. Therefo...
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Lei Liu, Yong Sun, Min Ji, Huimeng Wang and Jiantao Liu
The three-dimensional (3D) geological voxel model is essential for numerical simulation and resource calculation. However, it can be challenging due to the point in polygon test in 3D voxel modeling. The commonly used Winding number algorithm requires th...
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Phasawee Saingyen, Sittiporn Channumsin, Suwat Sreesawet, Keerati Puttasuwan and Thanathip Limna
The growing number of space objects leads to increases in the potential risks of damage to satellites and generates space debris after colliding. Conjunction assessment analysis is the one of keys to evaluating the collision risk of satellites and satell...
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Madiha Khalid, Muhammad Murtaza Yousaf and Muhammad Umair Sadiq
Edit distance is the most widely used method to quantify similarity between two strings. We investigate the problem of similarity search under edit distance. Given a collection of sequences, the goal of similarity search under edit distance is to find se...
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Min Bahadur Basnet, Mohammad Anas, Zarghaam Haider Rizvi, Asmer Hamid Ali, Mohammad Zain, Giovanni Cascante and Frank Wuttke
Full waveform inversion is a widely used technique to estimate the subsurface parameters with the help of seismic measurements on the surface. Due to the amount of data, model size and non-linear iterative procedures, the numerical computation of Full Wa...
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Vuka?in Stanojevic, Lev Kazakovtsev, Predrag S. Stanimirovic, Natalya Rezova and Guzel Shkaberina
In this work, we consider the problem of calculating the generalized Moore?Penrose inverse, which is essential in many applications of graph theory. We propose an algorithm for the massively parallel systems based on the recursive algorithm for the gener...
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Mirco De Marchi, Francesco Lumpp, Enrico Martini, Michele Boldo, Stefano Aldegheri and Nicola Bombieri
Many modern programmable embedded devices contain CPUs and a GPU that share the same system memory on a single die. Such a unified memory architecture (UMA) allows programmers to implement different communication models between CPU and the integrated GPU...
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Mohammed Mahmoud, Mark Hoffmann and Hassan Reza
Sparse matrix-vector multiplication (SpMV) can be used to solve diverse-scaled linear systems and eigenvalue problems that exist in numerous, and varying scientific applications. One of the scientific applications that SpMV is involved in is known as Con...
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Orlando García-Feal, José González-Cao, Moncho Gómez-Gesteira, Luis Cea, José Manuel Domínguez and Arno Formella
This paper presents Iber+, a new parallel code based on the numerical model Iber for two-dimensional (2D) flood inundation modelling. The new implementation, which is coded in C++ and takes advantage of the parallelization functionalities both on CPUs (c...
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Saeed Musaad Altalhi, Fathy Elbouraey Eassa, Abdullah Saad Al-Malaise Al-Ghamdi, Sanaa Abdullah Sharaf, Ahmed Mohammed Alghamdi, Khalid Ali Almarhabi and Maher Ali Khemakhem
As the development of high-performance computing (HPC) is growing, exascale computing is on the horizon. Therefore, it is imperative to develop parallel systems, such as graphics processing units (GPUs) and programming models, that can effectively utilis...
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Vagner Gon Furtado,Eduardo Max Amaro Amaral,Filipe Wall Mutz,Flavio Severiano Lamas de Souza,Karin Satie Komati
Pág. 122 - 139
Sistemas de processamento digital de imagens podem ter tempo de execução não compatíveis com o esperado pelo usuário. Uma possível solução é o uso de processamento paralelo para diminuir o tempo de execução de algoritmos de processamento de imagens. A te...
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Mikhail A. Naumenko,Vyacheslav V. Samarin
Pág. 80 - 95
The possibility of application of modern parallel computing solutions to speed up the calculations of ground states of few-body nuclei by Feynman's continual integrals method has been investigated. These calculations may sometimes require large computati...
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Daniel Molinero-Hernández, Sergio R. Galván-González, Nicolás D. Herrera-Sandoval, Pablo Guzman-Avalos, J. Jesús Pacheco-Ibarra and Francisco J. Domínguez-Mota
Driven by the emergence of Graphics Processing Units (GPUs), the solution of increasingly large and intricate numerical problems has become feasible. Yet, the integration of GPUs into Computational Fluid Dynamics (CFD) codes still presents a significant ...
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