A segment tree is a versatile tree-based data structure over intervals or line segments efficiently supporting several computational operations such as stabbing query, segment arrangement, and planar point location, both theoretically and practically. ...

In this work, the two-stage multisplitting iteration methods based on the equivalent modulus equations are analyzed for solving linear complementarity problems. New convergence results are presented where the convergence domains of the parameter ...

• Propose two convergence theorems of the two-stage multisplitting iteration methods for LCPs with new proof techniques.
• The given results can improve the domain of the parameter matrices in the existing literatures.
• Design an ...

Energy efficiency research aims to optimize the use of computing resources by minimizing energy consumption and increasing computational efficiency. This article explores the effect of the directive-based parallel programming model on energy ...

On the path toward developing the first fusion energy devices, plasma simulations have become indispensable tools for supporting the design and development of fusion machines. Among these critical simulation tools, BIT1 is an advanced Particle-in-...

The Cloud Model version 1 is an atmospheric model that allows for idealized studies of atmospheric phenomena. A new Lagrangian microphysics capability has been added, enabling a significantly more accurate representation than the traditional bulk or ...

Modern graphics accelerators (GPUs) can significantly speed up the execution of numerical problems. However, porting programs to graphics accelerators is not an easy task, sometimes requiring their almost complete rewriting. CUDA graphics ...

This paper presents a new feature to enable Kokkos with transparent device selection. For application developers, it is not easy to identify which device is the most appropriate to use in a heterogeneous system, since this depends on the characteristics ...

In this work, by applying the synchronous multisplitting technique to the non-auxiliary variable modulus equation of the vertical linear complementarity problems, a new parallel method is constructed, which can generalize the existing modulus-...

• A new parallel modulus-based method without auxiliary variable is proposed, which generalizes the existing serial method.
• The complete convergence proof is given, which can improve the domain of the parameter matrix in the existing ...

This paper presents the steps followed to GPU-offload parts of the core solver of EFIT-AI, an equilibrium reconstruction code suitable for tokamak experiments and burning plasmas. For this work, we will focus on the fitting procedure that consists of a ...

NVIDIA has been the main provider of GPU hardware in HPC systems for over a decade. Most applications that benefit from GPUs have thus been developed and optimized for the NVIDIA software stack. Recent exascale HPC systems are, however, introducing GPUs ...

Designing and refactoring complex scientific code, such as the E3SM land model (ELM), for new computing architectures is challenging. This paper presents design strategies and technical approaches to develop a data-oriented, GPU-ready ELM model ...

Thanks to their large number of threads, GPUs allow massive parallelization, hence good performance for numerical simulations, but also make asynchronous execution more common. Kernels that do not actively take part in a computation can be ...

In this paper, we developed a 3D viscoelastic analysis solver with a data-driven method on GPUs for fast computation of highly detailed 3D crustal structure models. Here, the initial solution is obtained with high accuracy using a data-driven ...$\mathrm{}{\mathrm{}}^{\mathrm{}}$

Accelerated computing in HPC such as with GPU, plays a central role in HPC nowadays. However, in some complicated applications with partially different performance behavior is hard to solve with a single type of accelerator where GPU is not the ...

OpenACC is designed to offer performance portability across CPUs with SIMD extensions and accelerators based on GPU or manycore architecture. We are working on the design of OpenACC compiler for A64FX manycore processor with Arm SVE. We use a source-to-...

According to estimates, between 10 and 25% of the grain crop is lost in the post-harvest. The correct drying of the beans is one of the actions to contain this loss. Drying grains is one of the most critical steps in grain processing for its ...

To accelerate multiphysics applications, making use of not only GPUs but also FPGAs has been emerging. Multiphysics applications are simulations involving multiple physical models and multiple simultaneous physical phenomena. Operations with ...

The complexity of heterogeneous computing architectures, as well as the demand for productive and portable parallel application development, have driven the evolution of parallel programming models to become more comprehensive and complex than before. ...

The Silicon-Crystal application based on molecular dynamics (MD) is used to simulate the thermal conductivity of the crystal, which adopts the Tersoff potential to simulate the trajectory of the silicon crystal. Based on the OpenACC ...

• Combining with the unique architecture of the SW26010 processor, we analyzed the characteristics of its main memory access modes and tested the memory access ...

Cardiac disease is the leading cause of death in developed countries, and arrhythmias, which are disorders in the regular generation and propagation of electrical waves that trigger contraction, form a major class of heart diseases. Computational ...