Exploració per tema "Parallelism"

Ara es mostren els items 1-20 de 52

    • A square block format for symmetric band matrices 

      Gustavson, Fred G.; Herrero Zaragoza, José Ramón; Morancho Llena, Enrique (Springer, 2014)
      Text en actes de congrés
      Accés obert
      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. ...

    • Approximating scheduling problems in parallel 

      Serna Iglesias, María José; Xhafa Xhafa, Fatos (1997-04)
      Report de recerca
      Accés obert
      We show how to approximate in NC the problem of Scheduling Unrelated Parallel Machines, for a fixed number of machines. We develop a (2+epsilon)-approximate parallel algorithm for the problem. Our approach shows how to ...

    • Aproximació a la Supercomputació a Secundària 

      Oliver Segura, José (Universitat Politècnica de Catalunya, 2023-06-14)
      Projecte Final de Màster Oficial
      Accés obert
      En aquest TFM es realitza un anàlisi de les oportunitats que planteja el currículum d'educació secundària per incorporar, de manera transversal, coneixements i conceptes vinculats a la Supercomputació per tal de reduir la ...

    • Asynchronous runtime for task-based dataflow programming models 

      Bosch Pons, Jaume (Universitat Politècnica de Catalunya, 2017-07)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   Barcelona Supercomputing Center
      The importance of parallel programming is increasing year after year since the power wall popularized multi-core processors, and with them, shared memory parallel programming models. In particular, task-based programming ...

    • Automatically configuring parallelism for hybrid layouts 

      Munir, Rana Faisal; Abelló Gamazo, Alberto; Romero Moral, Óscar; Thiele, Maik; Lehner, Wolfgang (Springer, 2019)
      Comunicació de congrés
      Accés obert
      Distributed processing frameworks process data in parallel by dividing it into multiple partitions and each partition is processed in a separate task. The number of tasks is always created based on the total file size. ...

    • Circuit design of a dual-versioning L1 data cache for optimistic concurrency 

      Seyedi, Azam; Armejach, Adrià; Cristal Kestelman, Adrián; Unsal, Osman Sabri; Hur, Ibrahim; Valero Cortés, Mateo (2011)
      Report de recerca
      Accés obert
      This paper proposes a novel L1 data cache design with dual-versioning SRAM cells (dvSRAM) for chip multi-processors (CMP) that implement optimistic concurrency proposals. In this new cache architecture, each dvSRAM cell ...

    • Comparing MapReduce and pipeline implementations for counting triangles 

      Pasarella Sánchez, Ana Edelmira; Vidal, Maria-Esther; Zoltan Torres, Ana Cristina (2017-01-11)
      Article
      Accés obert
      A common method to define a parallel solution for a computational problem consists in finding a way to use the Divide and Conquer paradigm in order to have processors acting on its own data and scheduled in a parallel ...

    • Configuring parallelism for hybrid layouts using multi-objective optimization 

      Munir, Rana Faisal; Abelló Gamazo, Alberto; Romero Moral, Óscar; Thiele, Maik; Lehner, Wolfgang (2020-06-01)
      Article
      Accés obert
      Modern organizations typically store their data in a raw format in data lakes. These data are then processed and usually stored under hybrid layouts, because they allow projection and selection operations. Thus, they allow ...

    • Desarrollo de juegos como soporte educativo 

      Meijide Fernández, Adrià (Universitat Politècnica de Catalunya, 2016-06-28)
      Treball Final de Grau
      Accés obert
      El objetivo de este PFC/TFG es desarrollar un juego que sirvan como soporte a conceptos matemáticos, computacionales (paralelismo, concurrencia, distribución, definición de objetos...), basándose en un entorno creativo y ...

    • Design Space Exploration of Next-Generation HPC Machines 

      Gómez, Constantino; Martínez, Francesc; Armejach, Adrià; Moretó, Miquel; Mantovani, Filippo; Casas, Marc (2019)
      Report de recerca
      Accés obert
      The landscape of High Performance Computing (HPC) system architectures keeps expanding with new technologies and increased complexity. With the goal of improving the efficiency of next-generation large HPC systems, ...

    • Design space exploration of next-generation HPC machines 

      Gómez Crespo, Constantino; Martínez Palau, Francesc; Armejach Sanosa, Adrià; Moretó Planas, Miquel; Mantovani, Filippo; Casas, Marc (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Text en actes de congrés
      Accés restringit per acord de confidencialitat
      The landscape of High Performance Computing (HPC) system architectures keeps expanding with new technologies and increased complexity. With the goal of improving the efficiency of next-generation large HPC systems, designers ...

    • Development of a data analysis application for improved code sustainability 

      Esteras Casasola, Andreu (Universitat Politècnica de Catalunya, 2020-06-24)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat

    • Disseny i desenvolupament de la capa de comunicació entre supercomputadors del model de programació paral·lel COMPSs 

      López Esteve, Guillermo (Universitat Politècnica de Catalunya, 2023-01-26)
      Treball Final de Grau
      Accés obert
      COMPS Superscalar (COMPSs) és un model de programació per aplicacions distribuïdes desenvolupat al Barcelona Supercomputing Center que explota el paral·lelisme inherent de les aplicacions. En l'actualitat depèn d'una capa ...

    • Distributed Shared Memory Support in GMACS 

      Mahyou Amarki, Khalid (Universitat Politècnica de Catalunya, 2014-06-26)
      Projecte/Treball Final de Carrera
      Accés obert
      [CATALÀ] En aquest projecte millorem GMAC amb noves capacitats i millorar les funcions ja existents. Hem desenvolupat una utilitat que divideix l'espai de dades en blocs similars en longitud. Hem desenvolupat un protocol ...

    • Distributing deep learning hyperparameter tuning for 3D medical image segmentation 

      Berral García, Josep Lluís; Aranda Llorens, Oriol; Domínguez Bermúdez, Juan Luis; Torres Viñals, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Text en actes de congrés
      Accés obert
      Most research on novel techniques for 3D Medical Image Segmentation (MIS) is currently done using Deep Learning with GPU accelerators. The principal challenge of such technique is that a single input can easily cope computing ...

    • Domain Specific Languages for High Performance Computing 

      Fernández Suárez, Alejandro (Universitat Politècnica de Catalunya, 2013-06-21)
      Treball Final de Grau
      Accés obert
      [ANGLÈS] High Performance Computing (HPC) relies completely on complex parallel, heterogeneus architectures and distributed systems which are hard and error-prone to exploit, even for HPC specialists. Further and further ...

    • Dynamic Pipeline: an adaptive solution for big data 

      Aráoz, Julián; Pasarella Sánchez, Ana Edelmira; Vidal, Maria-Esther; Zoltan, Cristina (2017)
      Comunicació de congrés
      Accés obert
      The Dynamic Pipelineis a concurrent programming pattern amenable to be parallelized. Furthermore, the number of processing units used in the parallelization is adjusted to the size of the problem, and each processing unit ...

    • Dynamic pipelining of multidimensional range queries 

      Duch Brown, Amalia; Lugosi, Daniel; Pasarella Sánchez, Ana Edelmira; Zoltan Torres, Ana Cristina (2019-06-07)
      Article
      Accés obert
      The problem of evaluating orthogonal range queries efficiently has been studied widely in the data structures community. It has been common wisdom for several years that for queries containing more than 20% of the ...

    • Dynamic web worker pool management for highly parallel javascript web applications 

      Verdú Mulà, Javier; Costa Prats, Juan José; Pajuelo González, Manuel Alejandro (2016-09-10)
      Article
      Accés obert
      JavaScript web applications are improving performance mainly thanks to the inclusion of new standards by HTML5. Among others, web workers API allows multithreaded JavaScript web apps to exploit parallel processors. However, ...

    • Enabling Ada and OpenMP runtimes interoperability through template-based execution 

      Royuela Alcázar, Sara; Pinho, Luís Miguel; Quiñones, Eduardo (Elsevier, 2020-05)
      Article
      Accés obert
      The growing trend to support parallel computation to enable the performance gains of the recent hardware architectures is increasingly present in more conservative domains, such as safety-critical systems. Applications ...