Recent Submissions

  • Integrated policy management framework for IaaS cloud middleware 

    Canuto, Mauro; Guitart Fernández, Jordi (2016-05)
    Article
    Restricted access - publisher's policy
    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
    Open Access
    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
    Open Access
    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 ...
  • Thread assignment of multithreaded network applications in multicore/multithreaded processors 

    Radojkovic, Petar; Cakarevic, Vladimir; Verdú Mulà, Javier; Pajuelo González, Manuel Alejandro; Cazorla Almeida, Francisco Javier; Nemirovsky, Mario; Valero Cortés, Mateo (2013-12)
    Article
    Open Access
    The introduction of multithreaded processors comprised of a large number of cores with many shared resources makes thread scheduling, and in particular optimal assignment of running threads to processor hardware contexts ...
  • Revisiting distance-based record linkage for privacy-preserving release of statistical datasets 

    Herranz Sotoca, Javier; Nin Guerrero, Jordi; Rodríguez, Pablo; Tassa, Tamir (Elsevier, 2015-07-17)
    Article
    Restricted access - publisher's policy
    Statistical Disclosure Control (SDC, for short) studies the problem of privacy-preserving data publishing in cases where the data is expected to be used for statistical analysis. An original dataset T containing sensitive ...
  • ParaDIME: Parallel distributed infrastructure for minimization of energy for data centers 

    Rethinagiri, Santhosh Kumar; Palomar Pérez, Óscar; Sobe, Anita; Yalcin, Gulay; Knauth, Thomas; Titos Gil, Rubén; Prieto, Pablo; Schneegaß, Malte; Cristal Kestelman, Adrián; Unsal, Osman Sabri; Felber, Pascal; Fetzer, Christof; Milojevic, Dragomir (2015-11-01)
    Article
    Restricted access - publisher's policy
    Dramatic environmental and economic impact of the ever increasing power and energy consumption of modern computing devices in data centers is now a critical challenge. On the one hand, designers use technology scaling as ...
  • Thread assignment in multicore/multithreaded processors: A statistical approach 

    Radojkovic, Petar; Carpenter, Paul M.; Moreto Planas, Miquel; Cakarevic, Vladimir; Verdú Mulà, Javier; Pajuelo González, Manuel Alejandro; Cazorla, Francisco J.; Nemirovsky, Mario; Valero Cortés, Mateo (2016-01-01)
    Article
    Open Access
    The introduction of multicore/multithreaded processors, comprised of a large number of hardware contexts (virtual CPUs) that share resources at multiple levels, has made process scheduling, in particular assignment of ...
  • Reduction of pulse distortion in travelling wave semiconductor optical amplifiers 

    Soneira Ferrando, M. José; Ruiz Moreno, Sergio (1991)
    Conference report
    Open Access
    The possibility of reducing the gain saturation during the pulse amplification process by means of the compensation of the carrier density variations is investigated. This should be useful in many optical systems and, ...
  • Design of a laser source using a travelling wave optical amplifier with external feedback 

    Ruiz Moreno, Sergio; Soneira Ferrando, M. José (1991)
    Conference report
    Open Access
    An analysis is made of the performance of an optical source which was designed beginning with the external feedback of a traveling wave optical amplifier (TWOA). The proposed structure is analyzed using a computer model ...
  • Increasing multicore system efficiency through intelligent bandwidth shifting 

    Jiménez, Víctor; Buyuktosunoglu, Alper; Bose, Pradip; O'Connell, Francis P.; Cazorla Almeida, Francisco Javier; Valero Cortés, Mateo (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Conference report
    Restricted access - publisher's policy
    Memory bandwidth is a crucial resource in computing systems. Current CMP/SMT processors have a significant number of cores and they can run many threads concurrently. This large thread count adds high pressure to the memory ...

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