• openAccess   A simulator to assess energy saving strategies and policies in HPC workloads 

      Quintana-Orti, Enrique S.; Mayo, Rafael; Iserte, Sergio; Fernández Fernández, Juan Carlos; Dolz, Manuel F. Association for Computing Machinery (ACM) (2012-07)
      In recent years power consumption of high performance computing (HPC) clusters has become a growing problem due, e.g., to the economic cost of electricity, the emission of car- bon dioxide (with negative impact on the ...
    • openAccess   Hyperspectral Unmixing on Multicore DSPs: Trading Off Performance for Energy 

      Castillo Catalán, María Isabel; Fernández Fernández, Juan Carlos; Igual, Francisco D.; Plaza, Antonio; Quintana-Orti, Enrique S.; Remón Gómez, Alfredo IEEE (2014)
      Wider coverage of observation missions will increase onboard power restrictions while, at the same time, pose higher demands from the perspective of processing time, thus asking for the exploration of novel high-performance ...
    • openAccess   Performance Model of MapReduce Iterative Applications for Hybrid Cloud Bursting 

      Clemente-Castelló, Francisco J.; Bogdan, Nicolae; Mayo, Rafael; Fernández Fernández, Juan Carlos IEEE (2018-02)
      Hybrid cloud bursting (i.e., leasing temporary off-premise cloud resources to boost the overall capacity during peak utilization) can be a cost-effective way to deal with the increasing complexity of big data analytics, ...
    • closedAccess   Unveiling the performance-energy trade-off in iterative linear system solvers for multithreaded processors 

      Aliaga Estellés, José Ignacio; Anzt, Hartwig; Castillo Catalán, María Isabel; Fernández Fernández, Juan Carlos; León Navarro, Germán; Pérez, Joaquín; Quintana-Orti, Enrique S. Wiley (2015)
      In this paper, we analyze the interactions occurring in the triangle performance-power-energy for the execu- tion of a pivotal numerical algorithm, the iterative conjugate gradient (CG) method, on a diverse collection ...
    • openAccess   Utilizando ARMSim y QtARMSim para la docencia de Arquitectura de Computadores 

      Barrachina Mir, Sergio; Fabregat Llueca, German; Fernández Fernández, Juan Carlos; León Navarro, Germán Universitat Jaume I (2015)
      Muchos de los objetivos formativos de las asignaturas de introducción a la Arquitectura de Computadores se centran en aquellos aspectos que conforman la visión que un programador en lenguaje ensamblador tiene de un ...