Now showing items 1-18 of 18

  • A case for malleable thread-level linear algebra libraries: The LU factorization with partial pivoting 

    Catalán Pallarés, Sandra; Herrero Zaragoza, José Ramón; Quintana Ortí, Enrique Salvador; Rodríguez Sánchez, Rafael; Van De Geijn, Robert (Institute of Electrical and Electronics Engineers (IEEE), 2019-01-31)
    Article
    Open Access
    We propose two novel techniques for overcoming load-imbalance encountered when implementing so-called look-ahead mechanisms in relevant dense matrix factorizations for the solution of linear systems. Both techniques target ...
  • Acceleration of the Geostatistical Software Library (GSLIB) by code optimization and hybrid parallel programming 

    Peredo, Oscar; Ortiz, Julián; Herrero Zaragoza, José Ramón (2015-12-01)
    Article
    Open Access
    The Geostatistical Software Library (GSLIB) has been used in the geostatistical community for more than thirty years. It was designed as a bundle of sequential Fortran codes, and today it is still in use by many practitioners ...
  • A framework for efficient execution of matrix computations 

    Herrero Zaragoza, José Ramón (Universitat Politècnica de Catalunya, 2006-07-07)
    Doctoral thesis
    Open Access
    Matrix computations lie at the heart of most scientific computational tasks. The solution of linear systems of equations is a very frequent operation in many fields in science, engineering, surveying, physics and ...
  • A path-level exact parallelization strategy for sequential simulation 

    Peredo, Oscar; Baeza, Daniel; Ortiz, Julian; Herrero Zaragoza, José Ramón (2018-01-01)
    Article
    Restricted access - publisher's policy
    Sequential Simulation is a well known method in geostatistical modelling. Following the Bayesian approach for simulation of conditionally dependent random events, Sequential Indicator Simulation (SIS) method draws simulated ...
  • A proposal to develop and assess professional skills in Engineering Final Year Projects 

    Sánchez Carracedo, Fermín; Climent Vilaró, Joan; Corbalán González, Julita; Fonseca Casas, Pau; García Almiñana, Jordi; Herrero Zaragoza, José Ramón; Rodríguez Hontoria, Horacio; Sancho Samsó, María Ribera (Tempus Publications, 2018-03)
    Article
    Restricted access - publisher's policy
    In this paper we discuss the result of piloting a methodology for Engineering Final Year Projects (FYP) assessment that takes into consideration professional skills acquisition. The FYP is structured around three milestones; ...
  • A square block format for symmetric band matrices 

    Gustavson, Fred G.; Herrero Zaragoza, José Ramón; Morancho Llena, Enrique (Springer, 2014)
    Conference report
    Open Access
    This contribution describes a Square Block, SB, format for storing a banded symmetric matrix. This is possible by rearranging “in place” LAPACK Band Layout to become a SB layout: store submatrices as a set of square blocks. ...
  • Conceptes avançats de sistemes operatius 

    Herrero Zaragoza, José Ramón; Martorell Bofill, Xavier; Torres Viñals, Jordi (Edicions UPC, 2002)
    Book
    Restricted access to the UPC academic community
    Aquesta edició correspon a la documentació de suport a l'alumne en format transparències on s'amplia la formació dels alumnes pel que fa als sistemes operatius, com ara la comunicació entre processos, i afegir-hi conceptes ...
  • Echo state hoeffding tree learning 

    Marrón Vida, Diego; Read, Jesse; Bifet, Albert; Abdessalem, Talel; Ayguadé Parra, Eduard; Herrero Zaragoza, José Ramón (Microtome Publishing, 2016)
    Conference report
    Restricted access - publisher's policy
    Nowadays, real-time classi cation of Big Data streams is becoming essential in a variety of application domains. While decision trees are powerful and easy{to{deploy approaches for accurate and fast learning from data ...
  • Elaboració d’un pla de tutories per a la FIB 

    Mora Giné, Mercè; Castell Ariño, Núria; Fernández Ruzafa, José; Herrero Zaragoza, José Ramón; Sánchez Carracedo, Fermín; Martínez Parra, Conrado; Nonell i Torrent, Ramon; Raventós Pagès, Ruth; Rius Carrasco, Roser (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2013-02-08)
    Conference report / Conference lecture
    Open Access
    La majoria d'estudiants que accedeixen a la universitat, i en concret a la FIB, no són conscients del que comporta cursar una carrera universitària. Els estudis universitaris requereixen molta dedicació. Sovint els ...
  • Estudio y evaluación de formatos de almacenamiento para matrices dispersas en arquitecturas multi-core 

    Pasarin, Marc; Otero Calviño, Beatriz; Herrero Zaragoza, José Ramón (2011-11-01)
    External research report
    Open Access
  • Evaluación del Trabajo de Fin de Grado 

    Sánchez Carracedo, Fermín; Climent Vilaró, Joan; Corbalán González, Julita; Fonseca Casas, Pau; García Almiñana, Jordi; Herrero Zaragoza, José Ramón; Llinàs Audet, Francisco Javier; Rodríguez Hontoria, Horacio; Sancho Samsó, María Ribera (Universitat Jaume I. Escola Superior de Tecnologia i Ciències Experimentals, 2013-07-10)
    Conference report
    Open Access
    Los Proyectos de Fin de Carrera (PFC) se han evaluado tradicionalmente a partir de una memoria y de una presentación pública. Esta evaluación, en general, la realiza un tribunal formado por varios profesores, que juzga ...
  • Evaluation and assessment of professional skills in the Final Year Project 

    Sánchez Carracedo, Fermín; Climent Vilaró, Joan; Corbalán González, Julita; Fonseca Casas, Pau; García Almiñana, Jordi; Herrero Zaragoza, José Ramón; Llinàs Audet, Francisco Javier; Rodríguez Hontoria, Horacio; Sancho Samsó, María Ribera; Alier Forment, Marc; Cabré Garcia, José M.; López Álvarez, David (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Open Access
    In this paper, we present a methodology for Final Year Project (FYP) monitoring and assessment that considers the inclusion of the professional skills required in the particular engineering degree. This proper monitoring ...
  • Low-latency multi-threaded ensemble learning for dynamic big data streams 

    Marron, Diego; Ayguadé Parra, Eduard; Herrero Zaragoza, José Ramón; Read, Jesse; Bifet, Albert (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Open Access
    Real–time mining of evolving data streams involves new challenges when targeting today’s application domains such as the Internet of the Things: increasing volume, velocity and volatility requires data to be processed ...
  • Operación stencil en CUDA 

    Garcés, Bernardo; Herrero Zaragoza, José Ramón; Otero Calviño, Beatriz (2011-11-29)
    External research report
    Open Access
    Los problemas derivados de la disipación de energía en la computación secuencial, están haciendo que cada vez se popularice más el uso de máquinas y sistemas con mayor cantidad de núcleos de proceso, pasando desde pequeños ...
  • La Organización y gestión de una titulación del EEES 

    Sánchez Carracedo, Fermín; Sancho Samsó, María Ribera; Herrero Zaragoza, José Ramón (Universidad de Sevilla. Escuela Técnica Superior de Ingeniería Informática, 2011-07-05)
    Conference lecture
    Open Access
    La organización de los nuevos grados y másteres del EEES debe garantizar que el estudiante adquiere las competencias técnicas y transversales definidas por la titulación. Para ello, deben existir mecanismos muy precisos ...
  • Parallelizing dense and banded linear algebra libraries using SMPSs 

    Badia Sala, Rosa Maria; Herrero Zaragoza, José Ramón; Labarta Mancho, Jesús José; Pérez, Josep M.; Quintana-Ortí, Enrique Salvador; Quintana-Ortí, Gregorio (2009-12-25)
    Article
    Restricted access - publisher's policy
    The promise of future many-core processors, with hundreds of threads running concurrently, has led the developers of linear algebra libraries to rethink their design in order to extract more parallelism, further exploit ...
  • Reevaluación selectiva dentro del período lectivo 

    Herrero Zaragoza, José Ramón; López Álvarez, David; Mora Giné, Mercè; Sánchez Carracedo, Fermín (Universidad de Oviedo. Escuela de Ingeniería Informática, 2014-07-09)
    Conference report
    Open Access
    En muchos planes de estudios previos al EEES existía una segunda oportunidad para aprobar las asignaturas dentro del periodo lectivo: los exámenes de septiembre. En la actualidad, sin embargo, muchas universidades no ...
  • Tareador: a tool to unveil parallelization strategies at undergraduate level 

    Ayguadé Parra, Eduard; Badia Sala, Rosa Maria; Jiménez González, Daniel; Herrero Zaragoza, José Ramón; Labarta Mancho, Jesús José; Subotic, Vladimir; Utrera Iglesias, Gladys Miriam (North Carolina State University, 2015)
    Conference report
    Open Access
    This paper presents a methodology and framework designed to assist students in the process of finding appropriate task decomposition strategies for their sequential program, as well as identifying bottlenecks ...