Acceleration of the space-time boundary element method using GPUs

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27240%2F23%3A10252548" target="_blank" >RIV/61989100:27240/23:10252548 - isvavai.cz</a>
Alternative codes found
RIV/61989100:27740/23:10252548
Result on the web
<a href="https://www.sciencedirect.com/science/article/pii/S0965997823000881" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0965997823000881</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.advengsoft.2023.103497" target="_blank" >10.1016/j.advengsoft.2023.103497</a>

Result language
angličtina
Original language name
Acceleration of the space-time boundary element method using GPUs
Original language description
Matrices arising from the space-time boundary element method for the heat equation are dense and are global in space and time. Thus, they require a large amount of memory which may pose a problem when accelerating the code using GPUs. In this paper, we present a method that overcomes this issue by assembling elements of system matrices only when needed during matrix-vector multiplication. Although this requires a significantly larger amount of floating-point operations when the matrix is repeatedly applied, due to the large processing power of modern GPUs, we are still able to achieve a significant speedup compared to the original CPU code.
Czech name
—
Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
10200 - Computer and information sciences

Project
<a href="/en/project/GF19-29698L" target="_blank" >GF19-29698L: Space-time boundary element methods for the heat equation</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2023
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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