Now showing items 1-20 of 35

    • 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 ...
    • 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 highly parallel algorithm for computing the action of a matrix exponential on a vector based on a multilevel Monte Carlo method 

      Acebrón de Torres, Juan A.; Herrero Zaragoza, José Ramón; Monteiro, José (2020-01-01)
      Article
      Restricted access - publisher's policy
      A novel algorithm for computing the action of a matrix exponential over a vector is proposed. The algorithm is based on a multilevel Monte Carlo method, and the vector solution is computed probabilistically generating ...
    • A path-level exact parallelization strategy for sequential simulation 

      Peredo Andrade, Oscar Francisco; Baeza, Daniel; Ortiz, Julian; Herrero Zaragoza, José Ramón (2018-01-01)
      Article
      Open Access
      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. ...
    • Acceleration of the Geostatistical Software Library (GSLIB) by code optimization and hybrid parallel programming 

      Peredo Andrade, Oscar Francisco; 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 ...
    • 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 ...
    • CONTROL I AUTOMATITZACIÓ INDUSTRIAL AVANÇATS (Examen 1r quadrimestre, 2n parcial) 

      Herrero Zaragoza, José Ramón (Universitat Politècnica de Catalunya, 2014-01-14)
      Exam
      Restricted access to the UPC academic community
    • Echo state hoeffding tree learning 

      Marrón Vida, Diego; Read, Jesse; Bifet Figuerol, Albert Carles; 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 ...
    • Efficient update of determinants for many-electron wave function overlaps 

      Alonso Jordá, Pedro; Davidovic, Davor; Sapunar, Marin; Herrero Zaragoza, José Ramón; Quintana Ortí, Enrique Salvador (2021-01)
      Article
      Restricted access - publisher's policy
      The calculation of overlaps between many-electron wave functions at different nuclear geometries during nonadiabatic dynamics simulations requires the evaluation of a large number of determinants of matrices that differ ...
    • 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 ...
    • FÍSICA (Examen 1r quadrimestre, 2n parcial) 

      Herrero Zaragoza, José Ramón (Universitat Politècnica de Catalunya, 2014-01-13)
      Exam
      Restricted access to the UPC academic community
    • FÍSICA (Examen 1r quadrimestre, 2n parcial) 

      Herrero Zaragoza, José Ramón; Sellarès González, Jordi (Universitat Politècnica de Catalunya, 2013-01-11)
      Exam
      Restricted access to the UPC academic community
    • FÍSICA (Examen 2n quadrimestre, 1r parcial) 

      Herrero Zaragoza, José Ramón (Universitat Politècnica de Catalunya, 2012-04-11)
      Exam
      Restricted access to the UPC academic community
    • FÍSICA (Examen 2n quadrimestre, 1r parcial) 

      Herrero Zaragoza, José Ramón (Universitat Politècnica de Catalunya, 2014-04-07)
      Exam
      Restricted access to the UPC academic community
    • FÍSICA (Examen 2n quadrimestre, 1r parcial) 

      Herrero Zaragoza, José Ramón (Universitat Politècnica de Catalunya, 2013-04-12)
      Exam
      Restricted access to the UPC academic community