Fast solvers for high-frequency aeroacoustics

Autor: Felšöci, Marek

Publikováno v: Numerical Analysis [cs.NA]. Université de Bordeaux, 2023. English. ⟨NNT : 2023BORD0031⟩

In the aeronautical industry, aeroacoustics is used to model the propagation of acoustic waves in air flows enveloping an aircraft in flight. One can thus simulate the noise produced at ground level by an aircraft during the takeoff and landing phase

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______165::9a836aa683788f5dbee4633582ba7686
https://theses.hal.science/tel-04077474/file/FELSOCI_MAREK_2023.pdf

Amélioration de la mémoire et du temps des solveurs directs creux linéaires de rang faible

Autor: Korkmaz, Esragul

Publikováno v: Data Structures and Algorithms [cs.DS]. Université de Bordeaux, 2022. English. ⟨NNT : 2022BORD0254⟩

Through the recent improvements toward exascale supercomputer systems, huge computations can be performed in reasonable times by using massively parallelized operations. Unfortunately, the increase of the computational units in these systems does not

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______165::929f6fd59416fb2136c35dcc9006549d
https://theses.hal.science/tel-03875858/document

Atteindre la qualité d’une SVD avec une compression de rang faible pour différentes variantes de la factorisation QR

Autor: Korkmaz, Esragul, Faverge, Mathieu, Pichon, Grégoire, Ramet, Pierre

Publikováno v: [Research Report] RR-9476, Inria Bordeaux-Sud Ouest. 2022, pp.43

Solving linear equations of type $Ax=b$ for large sparse systems frequently emerges in science/engineering applications, which is the main bottleneck. In spite that the direct methods are costly in time and memory consumption, they are still the most

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::c22b109dedaf4cda5ec64ec8b14d70b9
https://inria.hal.science/hal-03718312

Fusion de données multimodales par approximations tensorielles couplées de rang faible

Autor: Prévost, Clémence

Publikováno v: Signal and Image processing. Université de Lorraine (Nancy), 2021. English. ⟨NNT : ⟩

Due to the recent emergence of new modalities, the amount of signals collected daily has been increasing. As a result, it frequently occurs that various signals provide information about the same phenomenon. However, a single signal may only contain

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______4254::16000282103391c07cba105183f5a24b
https://theses.hal.science/tel-03532385/document

Deciding Non-Compressible Blocks in Sparse Direct Solvers using Incomplete Factorization

Autor: Korkmaz, Esragul, Faverge, Mathieu, Pichon, Grégoire, Ramet, Pierre

Publikováno v: HiPC 2021-28th IEEE International Conference on High Performance Computing, Data, and Analytics
HiPC 2021-28th IEEE International Conference on High Performance Computing, Data, and Analytics, Dec 2021, Bangalore, India. pp.1-10
[Research Report] RR-9396, Inria Bordeaux-Sud Ouest. 2021, pp.16
HiPC 2021-28th IEEE International Conference on High Performance Computing, Data, and Analytics, Dec 2021, Bangalore, India. pp.1-10, ⟨10.1109/HiPC53243.2021.00024⟩

Low-rank compression techniques are very promising for reducing memory footprintand execution time on a large spectrum of linear solvers. Sparse direct supernodal approaches areone these techniques. However, despite providing a very good scalability

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::241de7fa5f24321a04277461a9937b66
https://hal.inria.fr/hal-03152932v2