• Irrevocabilidad Relajada para Memoria Transaccional Hardware 

      Quislant, Ricardo; Gutierrez-Carrasco, Eladio Damian; Zapata, Emilio L.; Plata-Gonzalez, Oscar Guillermo (2016-09-20)
      Los sistemas comerciales que ofrecen memoria transaccional (TM) implementan un sistema hardware best-effort (BE-HTM) con limitaciones. Es necesario programar un fallback software basado en cerrojos para asegurar el progreso ...
    • Localizando partículas en un fluido a partir de holografías y computación de altas prestaciones 

      Ortega, Gloria; Lobera, Julia; García, Inmaculada; Arroyo, Maria del Pilar; Garzon, Ester M. (2014-09-24)
      La tomografía se ha introducido recientemente en la velocimetría de fluidos para proporcionar información en tres dimensiones de la localización de partículas en el seno de fluidos. En concreto, algunos trabajos previos ...
    • Low-textured regions detection for improving stereoscopy algorithms 

      Ibarra-Delgado, Salvador; Ramos Cózar, Julián; González-Linares, José M.; Gómez Luna, Juan; Guil, Nicolás (2014-07-29)
      The main goal of stereoscopy algorithms is the calculation of the disparity map between two frames corresponding to the same scene, and captured simultaneously by two different cameras. The different position (disparity) ...
    • Memoria Transaccional Hardware en Memoria Local de GPU 

      Villegas, Alejandro; Navarro, Ángeles; Asenjo-Plaza, Rafael; Plata, Oscar (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 

      Navarro, Angeles; Asenjo-Plaza, Rafael; Plata-Gonzalez, Oscar Guillermo; Villegas, 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 ...
    • Modelling vessel fleet composition for maintenance operations at offshore wind farms 

      Gutiérrez-Alcoba, Alejandro; Garcia, Inmaculada; Ortega López, Gloria; Hendrix, Eligius Maria Theodorus (2018-12-20)
      Chartering a vessel fleet to support maintenance operations at offshore wind farms (OWF's) constitutes one of the major costs of maintaining this type of installations. Literature describes deterministic optimization models ...
    • Normalizing or not normalizing? An open question for floating-point arithmetic in embedded systems 

      González-Navarro, Sonia; Hormigo-Aguilar, Javier (IEEE, 2017-07-24)
      Emerging embedded applications lack of a specific standard when they require floating-point arithmetic. In this situation they use the IEEE-754 standard or ad hoc variations of it. However, this standard was not designed ...
    • On computational procedures for Value Iteration in inventory control 

      Kortenhorst, Cleo; Ortega, Gloria L; Hendrix, Eligius Maria Theodorus (2019-09-11)
      Dynamic programming (DP) is often seen in inventory control to lead to optimal ordering policies. When considering stationary demand, Value Iteration (VI) may be used to derive the best policy. In this paper, our focus is ...
    • On the parallelization of a three-parametric log-logistic estimation algorithm 

      Asenjo-Plaza, Rafael; Rodríguez, Andrés; Navarro, Ángeles; Fernández-Madrigal, Juan Antonio; Cruz-Martin, Ana Maria (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, ...
    • Optimizing DSP Circuits by a New Family of Arithmetic Operators 

      Hormigo-Aguilar, Javier; Villalba-Moreno, Julio (2014-11-19)
      A new family of arithmetic operators to optimize the implementation of circuits for digital signal processing is presented. Thanks to use of a new technique which reduces the quantification errors, the proposed operators ...
    • Pairwise and incremental multi-stage alignment of metagenomes: A new proposal 

      Pérez-Wohlfeil, Esteban; Torreno, Oscar; Trelles-Salazar, Oswaldo Rogelio (Springer, 2017)
      Traditional comparisons between metagenomes are often performed using reference databases as intermediary templates from which to obtain distance metrics. However, in order to fully exploit the potential of the information ...
    • Paralelismo de datos en la obtención de Tablas de Control de Tráfico con información de llegada 

      Herrera, Juan Francisco R.; Casado, Leocadio G.; Haijema, Rene; Hendrix, Eligius Maria Theodorus (2014-09-24)
      Los semáforos se pueden controlar de forma dinámica a través de varias reglas que dictaminan el color del semáforo segun el número de vehículos a la espera. Estas reglas o acciones se recogen en lo que se conoce como ...
    • Path planning for socially-aware humanoid robots 

      Constantinescu, Denisa-Andreea; Rohra, Aakash; Padir, Taskin; Kaeli, David; Rohra (2019-04-11)
      Designing efficient autonomous navigation systems for mobile robots involves consideration of the robotís environment while arriving at a systems architecture that trades off multiple constraints. We have architected a ...
    • Patrón pipeline aplicado a arquitecturas heterogéneas big.LITTLE 

      Vilches, Antonio; Rodriguez, Andres; Navarro, Ángeles; Corbera, Francisco; 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, ...
    • Performance Analysis of the Multi-pass Transformation for Complex 3D-Stencils on GPUs 

      López-Zapata, Emilio; Romero, Luis F.; Tabik, Siham (2013-09-25)
      Performance Analysis of the Multi-pass Transformation for Complex 3D-Stencils on GPUs
    • Pipeline template for streaming applications on heterogeneous chips 

      Rodríguez, Andrés; Navarro, Ángeles; Asenjo-Plaza, Rafael; Corbera, Francisco; Vilches, Antonio; [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, ...
    • Pre-Ictal Phase Detection with SVMs 

      Ramos Cózar, Julián; Zeljković, Vesna; González-Linares, José M.; Guil, Nicolás; Bojic, Milena; [et al.] (2014-07-29)
      Over 50 million persons worldwide are affected by epilepsy. Epilepsy is a brain disorder known for sudden, unexpected transitions from normal to pathological behavioral states called epileptic seizures. Epilepsy poses a ...
    • Programming GPUs with CUDA 

      Ujaldon-Martinez, Manuel (2015-11-13)
      Analizamos las prestaciones y características de las distintas generaciones de procesadores gráficos desarrollados por Nvidia para la programación de aplicaciones de propósito general bajo CUDA, un paradigma nuevo que ...
    • Project based learning on industrial informatics: applying IoT to urban garden 

      Hormigo-Aguilar, Javier; Rodriguez-Moreno, Andres (2018-06-28)
      The fast evolution of technologies forces teachers to trade content off for self-learning. PBL is one of the best ways to promote self-learning and simultaneously boost motivation. In this paper, we present our experience ...
    • Quantifying the regeneration of bone tissue in biomedical images via Legendre moments 

      Lachiondo, José Antonio; Ujaldon-Martinez, Manuel; Berretta, Regina; Moscato, Pablo (2013-10-21)
      We investigate the use of Legendre moments as biomarkers for an efficient and accurate classification of bone tissue on images coming from stem cell regeneration studies. Regions of either existing bone, cartilage or ...