Enviaments recents

  • CUDAlign 4.0: incremental speculative traceback for exact chromosome-wide alignment in GPU clusters 

    De Sandes, Edans; Miranda, Guillermo; Martorell Bofill, Xavier; Ayguadé Parra, Eduard; Teodoro, George; de Melo, Alba (2016-10-01)
    Article
    Accés obert
    This paper proposes and evaluates CUDAlign 4.0, a parallel strategy to obtain the optimal alignment of huge DNA sequences in multi-GPU platforms, using the exact Smith-Waterman (SW) algorithm. In the first phase of CUDAlign ...
  • MASA: a multi-platform architecture for sequence aligners with block pruning 

    De Sandes, Edans; Miranda, Guillermo; Martorell, Xavier; Ayguadé Parra, Eduard; Teodoro, George; de Melo, Alba (2016-03-01)
    Article
    Accés obert
    Biological sequence alignment is a very popular application in Bioinformatics used routinely worldwide. Many implementations of biological sequence alignment algorithms have been proposed for multicores, GPUs, FPGAs and ...
  • Interconnection networks in petascale computer systems: A survey 

    Trobec, Roman; Vasiljevic, Radivoje; Tomasevic, Milo; Milutinovic, Veljko; Beivide Palacio, Ramon; Valero Cortés, Mateo (2016-11)
    Article
    Accés restringit per política de l'editorial
    This article provides background information about interconnection networks, an analysis of previous developments, and an overview of the state of the art. The main contribution of this article is to highlight the importance ...
  • The AXIOM software layers 

    Álvarez, Carlos; Ayguadé Parra, Eduard; Bosch Pons, Jaume; Bueno Hedo, Javier; Cherkashin, Artem; Filgueras Izquierdo, Antonio; Jiménez González, Daniel; Martorell Bofill, Xavier; Navarro, Nacho; Vidal, Miquel; Theodoropoulos, Dimitris; Pnevmatikatos, Dionisis; Catani, Davide; Oro Garcia, David; Fernandez Prades, Carles; Segura, Carlos; Rodriguez Saeta, Javier; Hernando Pericás, Francisco Javier; Scordino, Claudio; Gai, Paolo; Passera, Pierluigi; Pomella, Alberto; Bettin, Nicola; Rizzo, Antonio; Giorgi, Roberto (2016-11-01)
    Article
    Accés restringit per política de l'editorial
    AXIOM project aims at developing a heterogeneous computing board (SMP-FPGA).The Software Layers developed at the AXIOM project are explained.OmpSs provides an easy way to execute heterogeneous codes in multiple cores. ...
  • Si elimino el examen, ¿cómo evalúo?: Una discusión sobre las actividades sustitutivas del examen y su escalabilidad 

    López Álvarez, David; Carrera Pérez, David (2016-09)
    Article
    Accés obert
    Se ha discutido mucho sobre los inconvenientes de los exámenes, siendo criticados en ocasiones por fomentar el aprendizaje superficial. Aunque muchos profesores estemos de acuerdo, nos preguntamos ¿por qué actividades se ...
  • Late allocation and early release of physical registers 

    Monreal Arnal, Teresa; Viñals Yufera, Víctor; González González, José; González Colás, Antonio María; Valero Cortés, Mateo (2004-10)
    Article
    Accés obert
    The register file is one of the critical components of current processors in terms of access time and power consumption. Among other things, the potential to exploit instruction-level parallelism is closely related to the ...
  • COMP Superscalar, an interoperable programming framework 

    Badia Sala, Rosa Maria; Conejero, Javier; Díaz, Carlos; Ejarque, Jorge; Lezzi, Daniele; Lordan Gomis, Francesc-Josep; Ramón Cortés, Cristian; Sirvent Pardell, Raül (2015-12-01)
    Article
    Accés obert
    COMPSs is a programming framework that aims to facilitate the parallelization of existing applications written in Java, C/C++ and Python scripts. For that purpose, it offers a simple programming model based on sequential ...
  • Integrated policy management framework for IaaS cloud middleware 

    Canuto, Mauro; Guitart Fernández, Jordi (2016-05)
    Article
    Accés restringit per política de l'editorial
    As a result of the rapid growth of Cloud Computing, several Cloud middleware solutions for the creation and automated management of virtual appliances have been released. Generally, these solutions offer some predefined ...
  • Compact finite difference modeling of 2-D acoustic wave propagation 

    Córdova, Luis; Rojas, Otilio; Otero Calviño, Beatriz; Castillo, Jose (2016-03-15)
    Article
    Accés obert
    We present two fourth-order compact finite difference (CFD) discretizations of the velocity–pressure formulation of the acoustic wave equation in 2-D rectangular grids. The first method uses standard implicit CFD on nodal ...
  • Cost-conscious strategies to increase performance of numerical programs on agressive VLIW architectures 

    López Álvarez, David; Llosa Espuny, José Francisco; Valero Cortés, Mateo; Ayguadé Parra, Eduard (2001-10)
    Article
    Accés obert
    Loops are the main time-consuming part of numerical applications. The performance of the loops is limited either by the resources offered by the architecture or by recurrences in the computation. To execute more operations ...

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