Search Results - "Reguly, István Z"

Wastewater-based modeling, reconstruction, and prediction for COVID-19 outbreaks in Hungary caused by highly immune evasive variants by Polcz, Péter, Tornai, Kálmán, Juhász, János, Cserey, György, Surján, György, Pándics, Tamás, Róka, Eszter, Vargha, Márta, Reguly, István Z., Csikász-Nagy, Attila, Pongor, Sándor, Szederkényi, Gábor

“…Wastewater-based epidemiology (WBE) has emerged as a promising approach for monitoring the COVID-19 pandemic, since the measurement process is cost-effective…”
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A comparison between parallelization approaches in molecular dynamics simulations on GPUs by Rovigatti, Lorenzo, Šulc, Petr, Reguly, István Z., Romano, Flavio

“…We test the relative performances of two different approaches to the computation of forces for molecular dynamics simulations on graphics processing units. A…”
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Productivity, performance, and portability for computational fluid dynamics applications by Reguly, István Z., Mudalige, Gihan R.

“…•Review paper discussing software development approaches for CFD.•Focus on libraries providing performance, productivity, and portability.•Review of CFD…”
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Microsimulation based quantitative analysis of COVID-19 management strategies by Reguly, István Z, Csercsik, Dávid, Juhász, János, Tornai, Kálmán, Bujtár, Zsófia, Horváth, Gergely, Keömley-Horváth, Bence, Kós, Tamás, Cserey, György, Iván, Kristóf, Pongor, Sándor, Szederkényi, Gábor, Röst, Gergely, Csikász-Nagy, Attila

“…Pandemic management requires reliable and efficient dynamical simulation to predict and control disease spreading. The COVID-19 (SARS-CoV-2) pandemic is…”
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Enabling Bitwise Reproducibility for the Unstructured Computational Motif by Siklósi, Bálint, Mudalige, Gihan R., Reguly, István Z.

“…In this paper we identify the causes of numerical non-reproducibility in the unstructured mesh computational motif, a class of algorithms commonly used for the…”
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Locality optimized unstructured mesh algorithms on GPUs by Sulyok, András Attila, Balogh, Gábor Dániel, Reguly, István Z, Mudalige, Gihan R

“…Unstructured-mesh based numerical algorithms such as finite volume and finite element algorithms form an important class of applications for many scientific…”
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Acceleration of a Full-Scale Industrial CFD Application with OP2 by Reguly, Istvan Z., Mudalige, Gihan R., Bertolli, Carlo, Giles, Michael B., Betts, Adam, Kelly, Paul H.J., Radford, David

“…Hydra is a full-scale industrial CFD application used for the design of turbomachinery at Rolls Royce plc., capable of performing complex simulations over…”
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Loop Tiling in Large-Scale Stencil Codes at Run-Time with OPS by Reguly, Istvan Z., Mudalige, Gihan R., Giles, Michael B.

“…The key common bottleneck in most stencil codes is data movement, and prior research has shown that improving data locality through optimisations that optimise…”
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Towards Virtual Certification of Gas Turbine Engines With Performance-Portable Simulations by Mudalige, Gihan R., Reguly, Istvan Z., Prabhakar, Arun, Amirante, Dario, Lapworth, Leigh, Jarvis, Stephen A.

“…We present the large-scale, computational fluid dy-namics (CFD) simulation of a full gas-turbine engine compressor, demonstrating capability towards overcoming…”
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The VOLNA-OP2 tsunami code (version 1.5) by Reguly, Istvan Z., Giles, Daniel, Gopinathan, Devaraj, Quivy, Laure, Beck, Joakim H., Giles, Michael B., Guillas, Serge, Dias, Frederic

“…In this paper, we present the VOLNA-OP2 tsunami model and implementation; a finite-volume non-linear shallow-water equation (NSWE) solver built on the OP2…”
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The OPS Domain Specific Abstraction for Multi-block Structured Grid Computations by Reguly, Istvan Z., Mudalige, Gihan R., Giles, Michael B., Curran, Dan, McIntosh-Smith, Simon

“…Code maintainability, performance portability and future proofing are some of the key challenges in this era of rapid change in High Performance Computing…”
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Block-structured compressible Navier-Stokes solution using the OPS high-level abstraction by Jammy, Satya P., Mudalige, Gihan R., Reguly, Istvan Z., Sandham, Neil D., Giles, Mike

“…In this paper, we report the development and validation of a compressible solver with shock capturing, using a domain-specific high-level abstraction…”
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Vectorizing unstructured mesh computations for many-core architectures by Reguly, I Z., László, Endre, Mudalige, Gihan R., Giles, Mike B.

“…Summary Achieving optimal performance on the latest multi‐core and many‐core architectures increasingly depends on making efficient use of the hardware's…”
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Performance Portability of Multi-Material Kernels by Reguly, Istvan Z.

“…Trying to improve performance, portability, and productivity of an application presents non-trivial trade-offs, which are often difficult to quantify. Recent…”
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Automatic parallel implementations of adjoint codes for structured mesh applications by Balogh, Gabor Daniel, Reguly, Istvan Z.

“…Algorithmic Differentiation (AD) shown to be an essential tool to get sensitivity information for va in multiple areas of science such as Computational Fluid…”
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High-Level FPGA Accelerator Design for Structured-Mesh-Based Explicit Numerical Solvers by Kamalakkannan, Kamalavasan, Mudalige, Gihan R., Reguly, Istvan Z., Fahmy, Suhaib A.

“…This paper presents a workflow for synthesizing near-optimal FPGA implementations of structured-mesh based stencil applications for explicit solvers. It…”
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Bitwise Reproducible task execution on unstructured mesh applications by Siklosi, Balint, Reguly, Istvan Z, Mudalige, Gihan R

“…Many mesh applications use floating point arithmetic which do not necessarily hold the associative laws of algebra. This could cause the application to become…”
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Heterogeneous CPU-GPU Execution of Stencil Applications by Siklosi, Balint, Reguly, Istvan Z, Mudalige, Gihan R

“…Heterogeneous computer architectures are now ubiquitous in high performance computing; the top 7 supercomputers are all built with CPUs and accelerators…”
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The Design and Utilisation of PanSim, a Portable Pandemic Simulator by Keomley-Horvath, Bence, Horvath, Gergely, Polcz, Peter, Siklosi, Balint, Tornai, Kalman, Juhasz, Janos, Szederkenyi, Gabor, Cserey, Gyorgy, Csikasz-Nagy, Attila, Reguly, Istvan Z.

“…The COVID-19 pandemic has presented a clear and present need for urgent decision making. Set in an environment of uncertain and unreliable data, and a diverse…”
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Evaluating the performance portability of SYCL across CPUs and GPUs on bandwidth-bound applications by Reguly, Istvan Z

“…In this paper, we evaluate the portability of the SYCL programming model on some of the latest CPUs and GPUs from a wide range of vendors, utilizing the two…”
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