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Listar por palabra clave "GPUs"

Mostrando ítems 1-19 de 19

A high-performance IoT solution to reduce frost damages in stone fruits

Guillén-Navarro, Miguel A.; Martínez-España, Raquel; López, Belén; Cecilia-Canales, José María (John Wiley & Sons, 2021-01-25)

[EN] Agriculture is one of the key sectors where technology is opening new opportunities to break up the market. The Internet of Things (IoT) could reduce the production costs and increase the product quality by providing ...
Accelerated serverless computing based on GPU virtualization

Naranjo-Delgado, Diana María; Risco, Sebastián; Alfonso Laguna, Carlos De; Pérez-González, Alfonso María; Blanquer Espert, Ignacio; Moltó, Germán (Elsevier, 2020-05)

[EN] This paper introduces a platform to support serverless computing for scalable event-driven data processing that features a multi-level elasticity approach combined with virtualization of GPUs. The platform supports ...
Accelerating the SRP-PHAT algorithm on multi and many-core platforms using OpenCL

BADÍA CONTELLES, JOSÉ MANUEL; Belloch Rodríguez, José Antonio; Cobos Serrano, Máximo; IGUAL PEÑA, FRANCISCO DANIEL; Quintana-Ortí, Enrique S. (Springer-Verlag, 2019-03)

[EN] The Steered Response Power with Phase Transform (SRP-PHAT) algorithm is a well-known method for sound source localization due to its robust performance in noisy and reverberant environments. This algorithm is used in ...
Acceleration of PageRank with customized precision based on mantissa segmentation

Gruetzmacher, Thomas; Cojean, Terry; Flegar, Goran; Anzt, Hartwig; Quintana-Orti, Enrique S. (Association for Computing Machinery, 2020-03)

[EN] We describe the application of a communication-reduction technique for the PageRank algorithm that dynamically adapts the precision of the data access to the numerical requirements of the algorithm as the iteration ...
Algoritmos paralelos de reconstrucción de Imágenes TAC

Flores, Liubov Alexandrovna (Universitat Politècnica de València, 2014-04-23)

[ES] En medicina, el diagnóstico basado en imágenes TAC es fundamental. En este trabajo se analiza la implementación paralela en sistemas multicore, cluster y GPUs de los algoritmos analítico de reconstrucción de imágenes ...
An efficient GPU version of the preconditioned GMRES method

Aliaga, Jose I.; Dufrechou, Ernesto; Ezzatti, Pablo; Quintana-Orti, Enrique S. (Springer-Verlag, 2019-03)

[EN] In a large number of scientific applications, the solution of sparse linear systems is the stage that concentrates most of the computational effort. This situation has motivated the study and development of several ...
Análisis de diferentes enfoques paralelos para la optimización de Biomarcadores basados en técnicas de difusión por Resonancia Magnética

Borreguero Torró, Ferrán (Universitat Politècnica de València, 2016-12-20)

[EN] Abstract Di usion Weighted Image (DWI) method is non invasive procedure which plays an important role in the diagnosis of ischemic strokes or acute strokes among others. In clinical practice where DWI methods are ...
Diseño e implementación de una herramienta de testeo automático para el middleware rCUDA

Díaz Román, Antonio (Universitat Politècnica de València, 2018-09-18)

[ES] La verificación es una etapa crítica en cualquier proyecto de desarrollo de software. El principal objetivo de la verificación es que el software que está siendo desarrollado se comporte conforme a su especificación ...
Exploring the interoperability of remote GPGPU virtualization using rCUDA and directive-based programming models

Castelló-Gimeno, Adrián; Peña Monferrer, Antonio José; Mayo Gual, Rafael; Planas,Judit; Quintana Ortí, Enrique Salvador; Balaji, Pavan (Springer-Verlag, 2018-11)

[EN] Directive-based programming models, such as OpenMP, OpenACC, and OmpSs, enable users to accelerate applications by using coprocessors with little effort. These devices offer significant computing power, but their use ...
Factorized solution of generalized stable Sylvester equations using many-core GPU accelerators

Benner, Peter; Dufrechou, Ernesto; Ezzatti, Pablo; Gallardo, Rodrigo; Quintana-Ortí, Enrique S. (Springer-Verlag, 2021-09)

[EN] We investigate the factorized solution of generalized stable Sylvester equations such as those arising in model reduction, image restoration, and observer design. Our algorithms, based on the matrix sign function, ...
FaST-LMM for two-way Epistasis tests on high performance clusters

Martínez, Héctor; Barrachina, Sergio; Castillo, Maribel; Quintana Ortí, Enrique Salvador; Rambla de Argila, Jordi; Farre, Xavier; Navarro, Arcadi (Mary Ann Liebert, 2018-08)

[EN] We introduce a version of the epistasis test in FaST-LMM for clusters of multithreaded processors. This new software maintains the sensitivity of the original FaST-LMM while delivering acceleration that is close to ...
Hierarchical approach for deriving a reproducible unblocked LU factorization

Iakymchuk, Roman; Graillat, Stef; Defour, David; Quintana-Orti, Enrique S. (SAGE Publications, 2019-09)

[EN] We propose a reproducible variant of the unblocked LU factorization for graphics processor units (GPUs). For this purpose, we build upon Level-1/2 BLAS kernels that deliver correctly-rounded and reproducible results ...
On the Execution of Computationally Intensive CPU-based Libraries on Remote Accelerators to Increase Performance: Early Experience with the OpenBLAS and FFTW Libraries

Mislata Valero, Santiago; Silla Jiménez, Federico (IEEE Computer Society, 2015-09)

Virtualization techniques have shown to report benefits to data centers and other computing facilities. In this regard, virtual machines not only allow reducing the size of the computing infrastructure while increasing ...
Solución en paralelo del problema de la mochila

Verdeguer López, David (Universitat Politècnica de València, 2017-09-13)

[ES] El problema de la mochila es un problema NP-Completo bien conocido, que, en sus diferentes variantes, tiene un gran interés, tanto teórico como práctico, y ha sido sujeto de un amplio número de estudios. Si bien la ...
Técnicas de paralelización de código para robots basados en emociones

Almenar Pedrós, Francisco (Universitat Politècnica de València, 2015-03-27)

[ES] Las arquitecturas de control basadas en emociones se están convirtiendo en una de las soluciones más prometedoras a la hora de implementar los sistemas de los robots. Los encargados de controlar estos sistemas son ...
Toward a modular precision ecosystem for high performance computing

Anzt, Hartwig; Flegar, Goran; Gruetzmacher, Thomas; Quintana-Orti, Enrique S. (SAGE Publications, 2019-11)

[EN] With the memory bandwidth of current computer architectures being significantly slower than the (floating point) arithmetic performance, many scientific computations only leverage a fraction of the computational power ...
Un aplicación para el alineamiento de partituras en tiempo real

Gómez Morillas, Carlos (Universitat Politècnica de València, 2017-01-05)

[ES] El alineamiento de partituras (Audio-to-Score) es una aplicación muy útil que requiere de cierta capacidad computacional, así como de algoritmos eficientes que permita llevarse a cabo en tiempo real. El trabajo ...
Using remote accelerators to improve the performance of mathematical libraries

Mislata Valero, Santiago (Universitat Politècnica de València, 2017-01-09)

[EN] Virtualization technologies, such as virtual machines, have demonstrated to provide economic savings to data centers because they increase overall resource utilization. However, in addition to virtualize entire ...
Uso de GPUs en aplicaciones de tiempo real: Una revisión de técnicas para el análisis y optimización de parámetros temporales

Gomez, Iosu; Díaz de Cerio, Unai; Parra, Jorge; Rivas, Juan M.; Gutiérrez, J. Javier (Universitat Politècnica de València, 2023-12-22)

[EN] Autonomous driving is attracting an increasing attention in industry, not only in the automotive sector, but also in the transport of people or goods by road or railway and in more controlled manufacturing environments. ...