activity
20202025
most citedUtilizing Sparsity in the GPU-accelerated Assembly of Schur Complement Matrices in Domain Decomposition Methods

1 citations · 2 across the 6 of their papers we have counts for

collaborators

6 papers

cs.DC2025★ 1 cited

Utilizing Sparsity in the GPU-accelerated Assembly of Schur Complement Matrices in Domain Decomposition Methods

Jakub Homola, Ondřej Meca, Lubomír Říha +1

Schur complement matrices emerge in many domain decomposition methods that can solve complex engineering problems using supercomputers. Today, as most of the high-performance clust…

cs.PF2025

Heterogeneous Memory Pool Tuning

Filip Vaverka, Ondrej Vysocky, Lubomir Riha

We present a lightweight tool for the analysis and tuning of application data placement in systems with heterogeneous memory pools. The tool allows non-intrusively identifying, ana…

cs.DC2025

Methodology for GPU Frequency Switching Latency Measurement

Daniel Velicka, Ondrej Vysocky, Lubomir Riha

The development of exascale and post-exascale HPC and AI systems integrates thousands of CPUs and specialized accelerators, making energy optimization critical as power costs rival…

cs.MS2025

Assembly of FETI dual operator using CUDA

Jakub Homola, Radim Vavřík, Ondřej Meca +2

FETI is a numerical method used to solve engineering problems. It builds on the ideas of domain decomposition, which makes it highly scalable and capable of efficiently utilizing w…

physics.comp-ph2023★ 1 cited

Scalable Flow Simulations with the Lattice Boltzmann Method

Markus Holzer, Jayesh Badwaik, Radim Vavrik +7

The primary goal of the EuroHPC JU project SCALABLE is to develop an industrial Lattice Boltzmann Method (LBM)-based computational fluid dynamics (CFD) solver capable of exploiting…

cs.PF2020

Toward an End-to-End Auto-tuning Framework in HPC PowerStack

Xingfu Wu, Aniruddha Marathe, Siddhartha Jana +7

Efficiently utilizing procured power and optimizing performance of scientific applications under power and energy constraints are challenging. The HPC PowerStack defines a software…