Now showing items 21-35 of 35

    • Servet: A Benchmark Suite for Autotuning on Multicore Clusters 

      González Domínguez, Jorge; López Taboada, Guillermo; Fraguela, Basilio B.; Martín Santamaría, María José; Touriño, Juan (Institute of Electrical and Electronics Engineers, 2010-05-24)
      [Abstract] MapReduce is a powerful tool for processing large data sets used by many applications running in distributed environments. However, despite the increasing number of computationally intensive problems that require ...
    • Extending the Globus Information Service with the Common Information Model 

      Díaz, Iván; Fernández, G.; González, P.; Martín Santamaría, María José; Touriño, Juan (IEEE Computer Society, 2011-07-14)
      [Abstract] The need of task-adapted and complete information for the management of resources is a well known issue in Grid computing. Globus Toolkit 4 (GT4) includes the Monitoring and Discovery System component (MDS4) to ...
    • Design and Implementation of MapReduce using the PGAS Programming Model with UPC 

      Teijeiro, Carlos; López Taboada, Guillermo; Touriño, Juan; Doallo Biempica, Ramón (IEEE Computer Society, 2012-01-03)
      [Abstract] MapReduce is a powerful tool for processing large data sets used by many applications running in distributed environments. However, despite the increasing number of computationally intensive problems that require ...
    • Synthesis of Multiresolution Scenes with Global Illumination on a GPU 

      Concheiro, Raquel; Amor, Margarita; Bóo, Montserrat; Iglesias, Iago; Padrón, Emilio J.; Doallo Biempica, Ramón (SciTePress, 2012-02)
      [Abstract] The radiosity computation has the important feature of producing view independent results, but these results are mesh dependent and, in consequence, are attached to a specific level of detail in the input mesh. ...
    • Communication avoiding and overlapping for numerical linear algebra 

      Georganas, Evangelos; Gonzalez-Dominguez, Jorge; Solomonik, Edgar; Zheng, Yili; Touriño, Juan; Yelick, Katherine (IEEE Computer Society, 2013-02-25)
      [Abstract] To efficiently scale dense linear algebra problems to future exascale systems, communication cost must be avoided or overlapped. Communication-avoiding 2.5D algorithms improve scalability by reducing inter-processor ...
    • Evaluation of Java for General Purpose GPU Computing 

      Docampo, Jorge; Ramos Garea, Sabela; López Taboada, Guillermo; Expósito, Roberto R.; Touriño, Juan; Doallo Biempica, Ramón (IEEE Computer Society, 2013-07-01)
      [Abstract] The presence of many-core units as accelerators has been increasing due to their ability to improve the performance of highly parallel workloads. General Purpose GPU(GPGPU) computing has allowed the graphical ...
    • Free adaptive tessellation strategy of bézier surfaces 

      Concheiro, Raquel; Amor, Margarita; Bóo, Montserrat; Padrón, Emilio J. (SciTePress, 2014-01)
      [Abstract] Rendering of Bézier surfaces is currently performed by tessellating the model on the GPU and rendering the highly detailed triangle mesh. Whereas non-adaptive strategies apply the same tessellation pattern to ...
    • Hybrid CPU/GPU Acceleration of Detection of 2-SNP Epistatic Interactions in GWAS 

      González Domínguez, Jorge; Schmidt, Bertil; Kässens, Jan Christian; Wienbrandt, Lars (Springer, 2014-08)
      [Abstract] High-throughput genotyping technologies allow the collection of up to a few million genetic markers (such as SNPs) of an individual within a few minutes of time. Detecting epistasis, such as 2-SNP interactions, ...
    • The HPS3 Service: Reduction of Cost and Transfer Time for Storing Data on Clouds 

      Veiga, Jorge; López Taboada, Guillermo; Pardo, Xoán C.; Touriño, Juan (IEEE Computer Society, 2015-03-12)
      [Abstract] In the past several years, organizations have been changing their storage methods as the volume of data they managed has increased. The cloud computing paradigm offers new ways of storing data based on scalability ...
    • Efficient Culling Techniques for Interactive Deformable NURBS Surfaces on GPU 

      Concheiro, Raquel; Amor, Margarita; Padrón, Emilio J.; Doggett, Michael (SciTePress, 2016-02)
      [Abstrtact] InfoValue: NURBS (Non-uniform rational B-splines) surfaces are the standard freeform representation in Computer-Aided Design (CAD) applications. Rendering NURBS surfaces accurately while they are interactively ...
    • Performance Evaluation of Big Data Frameworks for Large-Scale Data Analytics 

      Veiga, Jorge; Expósito, Roberto R.; Pardo, Xoán C.; López Taboada, Guillermo; Touriño, Juan (IEEE Computer Society, 2017-02-06)
      [Abstract] The increasing adoption of Big Data analytics has led to a high demand for efficient technologies in order to manage and process large datasets. Popular MapReduce frameworks such as Hadoop are being replaced by ...
    • Evaluation of Parallel Differential Evolution Implementations on MapReduce and Spark 

      Teijeiro, Diego; Pardo, Xoán C.; Penas, David R.; González Gómez, Patricia; Banga, Julio R.; Doallo Biempica, Ramón (Springer, 2017-09)
      [Abstract] Global optimization problems arise in many areas of science and engineering, computational and systems biology and bioinformatics among them. Many research efforts have focused on developing parallel metaheuristics ...
    • Texture Mapping on NURBS Surface 

      Vázquez Pardo, Sergio; Amor, Margarita (M D P I AG, 2018-09-17)
      [Abstract] Texture mapping allows high resolution details over 3D surfaces. Nevertheless, texture mapping has a number of unresolved problems such as distortion, boundary between textures or filtering. On the other hand, ...
    • Parallelization of ARACNe, an Algorithm for the Reconstruction of Gene Regulatory Networks 

      Casal, Uxía; González-Domínguez, Jorge; Martín Santamaría, María José (M D P I AG, 2019-07-31)
      [Abstract] Gene regulatory networks are graphical representations of molecular regulators that interact with each other and with other substances in the cell to govern the gene expression. There are different computational ...
    • Using Artificial Vision Techniques for Individual Player Tracking in Sport Events 

      López Castro, Roberto; Andrade, Diego (M D P I AG, 2019-07-31)
      [Abstract] We introduce a hybrid approach that can track an individual football player in a video sequence. This solution achieves a good balance between speed and accuracy, combining traditional object tracking techniques ...