Listar por autor "González-Navarro, María Ángeles"
Mostrando ítems 1-20 de 31
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Accelerating Massive Sensor-based Analytics.
(UMA Editorial, 2025)Esta tesis aborda los desafíos y oportunidades en el campo de <<massive data analytics>> mediante el desarrollo de métodos y herramientas para la extracción y análisis de información, centrándose en la intersección de la ... -
Aceleración basada en TBB de una aplicación de Análisis de Sentimientos en Twitter
(2020-03-17)El análisis de sentimientos es una técnica que permite extraer la polaridad(i.e.positividad,negatividad o neutralidad)de un texto.Esto unido al incremento del uso de las redes sociales hace que se auna técnica ideal ... -
Aceleración de Time-Series sismográficas en Python
López-Muñoz, Francisco Javier
; Grass, Thomas; Asenjo-Plaza, Rafael; González-Navarro, María Ángeles (Miguel Angel Vega Rodríguez y Antonio J. Plaza Miguel, 2019)
Python se ha convertido en un lenguaje de programación muy popular, pero también es uno de los menos eficientes en términos de prestaciones y consumo energético. Este artículo describe el proceso que hemos seguido para ... -
Adaptive Partition Strategies for Loop Parallelism in Heterogeneous Architectures
Vilches Reina, Antonio; Asenjo-Plaza, Rafael; Corbera-Peña, Francisco Javier; González-Navarro, María Ángeles (2014-07-30)
This paper explores the possibility of efficiently using multicores in conjunction with multiple GPU accelerators under a parallel task programming paradigm. In particular, we address the challenge of extending a ... -
Efficiency and Productivity for Decision Making on Low-Power Heterogeneous CPU+GPU SoCs.
Constantinescu, Denisa-Andreea; González-Navarro, María Ángeles; Corbera-Peña, Francisco Javier; Fernández-Madrigal, Juan Antonio; Asenjo-Plaza, Rafael (Springer Nature, 2021-01)
Markov decision processes provide a formal framework for a computer to make decisions autonomously and intelligently when the effects of its actions are not deterministic. This formalism has had tremendous success in many ... -
Efficient Geometrical Clock Synchronization for Pairwise Sensor Systems.
Fernández-Madrigal, Juan Antonio; González-Navarro, María Ángeles; Asenjo-Plaza, Rafael; Cruz-Martín, Ana María (IEEE, 2021-01)
Numerous time synchronization methods have been proposed during the last decades targeted at devices transmitting in general-topology networks, e.g. wireless sensor networks. Interestingly enough, there are still sensorics ... -
Efficient heterogeneous matrix profile on a CPU + High Performance FPGA with integrated HBM
Romero Moreno, José Carlos; González-Navarro, María Ángeles; Vilches Reina, Antonio; Corbera-Peña, Francisco Javier (Elsevier, 2021-12)
In this work, we study the problem of efficiently executing a state-of-the-art time series algorithm class – SCAMP – on a heterogeneous platform comprised of CPU + High Performance FPGA with integrated HBM (High Bandwidth ... -
Enabling Easier Programming of Machine Learning Algorithms on Robots with oneAPI Toolkits.
Constantinescu, Denisa-Andreea; González-Navarro, María Ángeles; Asenjo-Plaza, Rafael; Fernández-Madrigal, Juan Antonio; Cruz-Martín, Ana María (SCV Chapter, IEEE Computer Society, 2022)
This work shows that it is feasible to solve large-scale decision-making problems for robot navigation in real-time onboard low-power heterogeneous CPU+iGPU platforms. We can achieve both performance and productivity by ... -
Energy Efficiency of Software Transactional Memory in a Heterogeneous Architecture
Villegas Fernández, Emilio; Villegas Fernández, Alejandro; González-Navarro, María Ángeles; Asenjo-Plaza, Rafael; Ukidave, Yash; Plata-González, Óscar Guillermo[et al.] (2016-09-07)
Hardware vendors make an important effort creating low-power CPUs that keep battery duration and durability above acceptable levels. In order to achieve this goal and provide good performance-energy for a wide variety of ... -
Evaluación del consumo energético de la memoria transaccional en procesadores heterogéneos
Villegas Fernández, Emilio; Villegas Fernández, Alejandro; González-Navarro, María Ángeles; Asenjo-Plaza, Rafael; Plata-González, Óscar Guillermo (2016)
Actualmente existe una enorme cantidad de dispositivos y sistemas, como ordenadores portátiles y teléfonos móviles, que dependen de una batería para su funcionamiento. Como consecuencia, el hardware que incorporan debe ser ... -
Explotando el nuevo módulo OpenCL de Intel TBB
Romero, José Carlos; Villegas Fernández, Alejandro; González-Navarro, María Ángeles; Rodríguez-Moreno, Andrés; Asenjo-Plaza, Rafael (2018-07-20)
Este artículo tiene como objetivo contribuir al desarrollo de la programación paralela trabajando en una de las herramientas desarrolladas por Intel: Intel Threading Building Blocks (Intel TBB). Hemos implementado una ... -
Hardware support for Local Memory Transactions on GPU Architectures
Villegas Fernández, Alejandro; González-Navarro, María Ángeles; Asenjo-Plaza, Rafael; Plata-González, Óscar Guillermo; Ubal, Rafael; Kaeli, David[et al.] (2015-06-26)
Graphics Processing Units (GPUs) are popular hardware accelerators for data-parallel applications, enabling the execution of thousands of threads in a Single Instruction - Multiple Thread (SIMT) fashion. However, the SIMT ... -
Hardware support for scratchpad memory transactions on GPU architectures
Villegas Fernández, Alejandro; Asenjo-Plaza, Rafael; González-Navarro, María Ángeles; Plata-González, Óscar Guillermo; Ubal, Rafael; Kaeli, David[et al.] (Springer, 2017-08-29)
Graphics Processing Units (GPUs) have become the accelerator of choice for data-parallel applications, enabling the execution of thousands of threads in a Single Instruction - Multiple Thread (SIMT) fashion. Using OpenCL ... -
Hierarchical regulation of sensor data transmission for networked telerobots
Martínez-Tenor, Ángel; Gago-Benítez, Ana; Fernández-Madrigal, Juan Antonio; Cruz-Martín, Ana María; Asenjo-Plaza, Rafael; González-Navarro, María Ángeles[et al.] (2014-11-18)
Networked telerobots carry sensors that send data, with stochastic transmission times, to a remote human operator, who must execute some real-time control task (e.g., navigation). In this paper we propose to regulate the ... -
Improvements in Hardware Transactional Memory for GPU Architectures
Villegas Fernández, Alejandro; Asenjo-Plaza, Rafael; González-Navarro, María Ángeles; Plata-González, Óscar Guillermo (2016-07-20)
In the multi-core CPU world, transactional memory (TM)has emerged as an alternative to lock-based programming for thread synchronization. Recent research proposes the use of TM in GPU architectures, where a high number of ... -
Leveraging SYCL for Heterogeneous cDTW Computation on CPU, GPU, and FPGA
Campos Ferrer, Cristian; Asenjo-Plaza, Rafael; Hormigo-Aguilar, Javier; González-Navarro, María Ángeles (Wiley, 2025-06-08)
One of the most time-consuming kernels of a recent epileptic seizure detection application is the computation of the constrained Dynamic Time Warping (cDTW) Distance Matrix. In this paper, we explore the design space of ... -
Lightweight asynchronous scheduling in heterogeneous reconfigurable systems
Rodríguez-Moreno, Andrés; González-Navarro, María Ángeles; Nikov, Kris; Nunez-Yanez, José; Gran-Tejero, Rubén; Suárez Gracia, Darío; Asenjo-Plaza, Rafael[et al.] (Elsevier, 2022-03)
The trend for heterogeneous embedded systems is the integration of accelerators and general-purpose CPU cores on the same die. In these integrated architectures, like the Zynq UltraScale+ board (CPU+FPGA) that we target ... -
Memoria Transaccional Hardware en Memoria Local de GPU
Villegas Fernández, Alejandro; González-Navarro, María Ángeles; Asenjo-Plaza, Rafael; Plata-González, Óscar Guillermo (2015-09-25)
Los aceleradores gráficos (GPUs) se han convertido en procesadores de prop ́osito general muy populares para el cómputo de aplicaciones que presen- tan un gran paralelismo de datos. Su modelo de ejecución SIMT (Single ... -
Memoria Transaccional Software en Procesadores CPU+GPU Heterogéneos
González-Navarro, María Ángeles; Asenjo-Plaza, Rafael; Plata-González, Óscar Guillermo; Villegas Fernández, Alejandro (2018-09-19)
En los procesadores multi-núcleo, la memoria transaccional (TM) ha aparecido como una alternativa prometedora a las técnicas basadas en cerrojos para garantizar exclusión mutua y está siendo incluida como parte de procesadores ... -
On the parallelization of a three-parametric log-logistic estimation algorithm
Asenjo-Plaza, Rafael; Rodríguez, Andrés; González-Navarro, María Ángeles; Fernández-Madrigal, Juan Antonio; Cruz-Martín, Ana María (2014-09-25)
Networked telerobots transmit data from its sensors to the remote controller. To provide guarantees on the time requirements of these systems it is mandatory to keep the transmission time delays below a given threshold, ...