activity
20182024
most citedNeko: A Modern, Portable, and Scalable Framework for High-Fidelity Computational Fluid Dynamics

10 citations · 35 across the 11 of their papers we have counts for

collaborators

11 papers

cs.PF2024★ 6 cited

In-Situ Techniques on GPU-Accelerated Data-Intensive Applications

Yi Ju, Mingshuai Li, Adalberto Perez +5

The computational power of High-Performance Computing (HPC) systems is constantly increasing, however, their input/output (IO) performance grows relatively slowly, and their storag…

cs.DC2024

ParaLog: Consistent Host-side Logging for Parallel Checkpoints

Steven W. D. Chien, Kento Sato, Artur Podobas +3

Output-intensive scientific applications are highly sensitive to low storage throughput. While existing scientific application stacks are optimized for traditional High-Performance…

cs.MS2022★ 1 cited

Large-Scale Direct Numerical Simulations of Turbulence Using GPUs and Modern Fortran

Martin Karp, Daniele Massaro, Niclas Jansson +4

We present our approach to making direct numerical simulations of turbulence with applications in sustainable shipping. We use modern Fortran and the spectral element method to lev…

cs.DC2021

Strong Scaling of OpenACC enabled Nek5000 on several GPU based HPC systems

Jonathan Vincent, Jing Gong, Martin Karp +11

We present new results on the strong parallel scaling for the OpenACC-accelerated implementation of the high-order spectral element fluid dynamics solver Nek5000. The test case con…

cs.DC2021★ 9 cited

A High-Fidelity Flow Solver for Unstructured Meshes on Field-Programmable Gate Arrays

Martin Karp, Artur Podobas, Tobias Kenter +4

The impending termination of Moore's law motivates the search for new forms of computing to continue the performance scaling we have grown accustomed to. Among the many emerging Po…

cs.DC2021★ 1 cited

Benchmarking the Nvidia GPU Lineage: From Early K80 to Modern A100 with Asynchronous Memory Transfers

Martin Svedin, Steven W. D. Chien, Gibson Chikafa +2

For many, Graphics Processing Units (GPUs) provides a source of reliable computing power. Recently, Nvidia introduced its 9th generation HPC-grade GPUs, the Ampere 100, claiming si…

cs.MS2021★ 10 cited

Neko: A Modern, Portable, and Scalable Framework for High-Fidelity Computational Fluid Dynamics

Niclas Jansson, Martin Karp, Artur Podobas +2

Recent trends and advancement in including more diverse and heterogeneous hardware in High-Performance Computing is challenging software developers in their pursuit for good perfor…

cs.DC2021

Accelerating Radiation Therapy Dose Calculation with Nvidia GPUs

Felix Liu, Niclas Jansson, Artur Podobas +2

Radiation Treatment Planning (RTP) is the process of planning the appropriate external beam radiotherapy to combat cancer in human patients. RTP is a complex and compute-intensive…

cs.DC2020★ 1 cited

High-Performance Spectral Element Methods on Field-Programmable Gate Arrays

Martin Karp, Artur Podobas, Niclas Jansson +4

Improvements in computer systems have historically relied on two well-known observations: Moore's law and Dennard's scaling. Today, both these observations are ending, forcing comp…

cs.DC2020★ 5 cited

Optimization of Tensor-product Operations in Nekbone on GPUs

Martin Karp, Niclas Jansson, Artur Podobas +2

In the CFD solver Nek5000, the computation is dominated by the evaluation of small tensor operations. Nekbone is a proxy app for Nek5000 and has previously been ported to GPUs with…

cs.CE2018★ 2 cited

CUBE: A scalable framework for large-scale industrial simulations

Niclas Jansson, Rahul Bale, Keiji Onishi +1

Writing high performance solvers for engineering applications is a delicate task. These codes are often developed on an application to application basis, highly optimized to solve…