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Listar por autor "Asenjo-Plaza, Rafael"
Mostrando ítems 21-35 de 35
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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, ... -
Optimización de la Entrada Salida mediante librerías y lenguajes paralelos
Larrosa-Jiménez, Rafael(Servicio de Publicaciones y Divulgación Científica, 2016)
Uno de los grandes retos de la HPC (High Performance Computing) consiste en optimizar el subsistema de Entrada/Salida, (E/S), o I/O (Input/Output). Ken Batcher resume este hecho en la siguiente frase: "Un supercomputador ... -
Optimization of massive data applications on heterogeneous architectures
Romero Moreno, José Carlos (UMA Editorial, 2023-01)In the last few years, the heterogeneous architectures have become dominant in each part of the computing industry: from heterogeneous GPU accelerators joining multi-core CPUs within the same chip, to Systems on Chip that ... -
Patrón pipeline aplicado a arquitecturas heterogéneas big.LITTLE
Vilches Reina, Antonio; Rodríguez-Moreno, Andrés; González-Navarro, María Ángeles
; Corbera-Peña, Francisco Javier
; Asenjo-Plaza, Rafael
(2015-09-25)
En este trabajo, proponemos una solución para permitir la ejecución de aplicaciones de tipo streaming, que constan de una serie de etapas, sobre arquitecturas heterogéneas con un multicore y una GPU integrada. Para ello, ... -
Pipeline template for streaming applications on heterogeneous chips
Rodríguez, Andrés; González-Navarro, María Ángeles; Asenjo-Plaza, Rafael
; Corbera-Peña, Francisco Javier
; Vilches Reina, Antonio; Garzarán, María[et al.] (2015-09-07)
We address the problem of providing support for executing single streaming applications implemented as a pipeline of stages that run on heterogeneous chips comprised of several cores and one on-chip GPU. In this paper, ... -
Plantilla parallel_for heterogénea implementada en INTEL ONEAPI
Domínguez Berdún, Juan Pedro (2021)Este trabajo consiste en el desarrollo e implementación de un template de alto nivel, basado en la librería oneTBB de Intel, que permita la ejecución de bucles paralelos de forma heterogénea (Heterogeneous Parallel For). ... -
Prácticas de ensamblador basadas en Raspberry Pi
Este trabajo se enmarca dentro del Proyecto de Innovación Educativa PIE13-082, “Motivando al alumno de ingeniería mediante la plataforma Raspberry Pi” cuyo principal objetivo es aumentar el grado de motivación del alumno ... -
Reducing overheads of dynamic scheduling on heterogeneous chips
Corbera-Peña, Francisco Javier; Rodríguez, Andrés; Asenjo-Plaza, Rafael
; González-Navarro, María Ángeles
; Vilches Reina, Antonio; Garzarán, María[et al.] (arXiv.org (Cornell University Library), 2015-01-19)
In recent processor development, we have witnessed the integration of GPU and CPUs into a single chip. The result of this integration is a reduction of the data communication overheads. This enables an efficient collaboration ... -
SkyFlow: heterogeneous streaming for skyline computation using FlowGraph and SYCL
Romero, José Carlos; González-Navarro, María Ángeles; Rodríguez-Moreno, Andrés
; Asenjo-Plaza, Rafael
(Elsevier, 2022-11-24)
The skyline is an optimization operator widely used for multi-criteria decision making. It allows minimizing an n-dimensional dataset into its smallest subset. In this work we present SkyFlow, the first heterogeneous CPU+GPU ... -
Solving Large-Scale Markov Decision Processes on Low-Power Heterogeneous Platforms
Constantinescu, Denisa-Andreea; González-Navarro, María Ángeles; Corbera-Peña, Francisco Javier
; Fernández-Madrigal, Juan Antonio
; Asenjo-Plaza, Rafael
(2019-07-11)
Markov Decision Processes (MDPs) provide a framework for a machine to act autonomously and intelligently in environments where the effects of its actions are not deterministic. MDPs have numerous applications. We focus ... -
Time Series Heterogeneous Co-execution on CPU+GPU
Romero, José Carlos; González-Navarro, María Ángeles; Rodríguez-Moreno, Andrés
; Asenjo-Plaza, Rafael
; Cole, Murray (2019-07-10)
Time series motif (similarities) and discords discovery is one of the most important and challenging problems nowadays for time series analytics. We use an algorithm called “scrimp” that excels in collecting the relevant ... -
Towards a Software Transactional Memory for heterogeneous CPU-GPU processors
Villegas Fernández, Alejandro; González-Navarro, María Ángeles; Asenjo-Plaza, Rafael
; Plata-González, Óscar Guillermo
(2017-09-15)
The heterogeneous Accelerated Processing Units (APUs) integrate a multi-core CPU and a GPU within the same chip. Modern APUs provide the programmer with platform atomics, used to communicate the CPU cores with the GPU using ... -
Towards energy efficiency and productivity for decision making in mobile robot navigation
Constantinescu, Denisa-Andreea (UMA Editorial, 2022-11)Our goal in this work is to make it easy and feasible to implement solutions for autonomous decision-making and planning under uncertainty on low-power mobile platforms. We focus on practical applications, such as autonomous ... -
Transactional memory on heterogeneous architectures
Villegas Fernández, Alejandro (UMA Editorial, 2018-02)Si observamos las necesidades computacionales de hoy, y tratamos de predecir las necesidades del mañana, podemos concluir que el procesamiento heterogéneo estará presente en muchos dispositivos y aplicaciones. El motivo ...