Recent Submissions

  • Analyzing the impact of communication imbalance in high-speed networks 

    Utrera Iglesias, Gladys Miriam; Gil, Marisa; Martorell Bofill, Xavier (2017-12-21)
    Article
    Restricted access - publisher's policy
    In this work we analyze the communication load imbalance generated by irregular-data applications running in a multi-node cluster. Experimental approaches to diminish communication load imbalance are evaluated using a ...
  • El proyecto EDINSOST: inclusión de los ODS en la educación superior 

    Sánchez Carracedo, Fermín; Segalàs Coral, Jorge; Cabré Garcia, José M.; Climent Vilaró, Joan; López Álvarez, David; Martín Escofet, Carme; Vidal López, Eva María (2017-11)
    Article
    Open Access
    En este artículo se presenta el primer resultado del proyecto EDINSOST: un mapa de la competencia Sostenibilidad para el Grado de Ingeniería Informática, fácilmente adaptable a cualquier titulación de Grado en Ingeniería ...
  • LightDock: a new multi-scale approach to protein-protein docking 

    Jimenez Garcia, Brian; Roel Touris, Jorge; Romero Durana, Miguel; Vidal Espinar, Miquel; Jiménez González, Daniel; Fernández Recio, Juan (2018-01)
    Article
    Restricted access - publisher's policy
    Motivation: Computational prediction of protein-protein complex structure by docking can provide structural and mechanistic insights for protein interactions of biomedical interest. However, current methods struggle with ...
  • Automatic generation of workload profiles using unsupervised learning pipelines 

    Buchaca Prats, David; Bernal García, Josep Lluis; Carrera Pérez, David (2017-12-27)
    Article
    Open Access
    The complexity of resource usage and power consumption on cloud-based applications makes the understanding of application behavior through expert examination difficult. The difficulty increases when applications are seen ...
  • A scalable synthetic traffic model of Graph500 for computer networks analysis 

    Fuentes Sáez, Pablo; Benito, Mariano; Vallejo, Enrique; Bosque Orero, José Luis; Beivide Palacio, Ramon; Anghel, Andreea; Rodríguez Herrera, Germán; Gusat, Mitch; Minkenberg, Cyriel; Valero Cortés, Mateo (2017-12-25)
    Article
    Restricted access - publisher's policy
    The Graph500 benchmark attempts to steer the design of High-Performance Computing systems to maximize the performance under memory-constricted application workloads. A realistic simulation of such benchmarks for architectural ...
  • A fault-tolerant algorithm for distributed resource allocation 

    Pessolani, Pablo; Jara, Oscar; Gonnet, Silvio; Cortés, Toni; Tinetti, Fernando (2017-11-01)
    Article
    Open Access
    Resource allocation is a usual problem that must be faced during a distributed system design. Despite the large number of algorithms proposed in literature to solve this problem, most papers lack of detailed descriptions ...
  • The hipster approach for improving cloud system efficiency 

    Nishtala, Rajiv; Carpenter, Paul Matthew; Petrucci, Vinicius; Martorell Bofill, Xavier (2017-12-29)
    Article
    Restricted access - publisher's policy
    In 2013, U.S. data centers accounted for 2.2% of the country’s total electricity consumption, a figure that is projected to increase rapidly over the next decade. Many important data center workloads in cloud computing are ...
  • QoS for high-performance SMT processors in embedded systems 

    Cazorla Almeida, Francisco Javier; Ramírez Bellido, Alejandro; Valero Cortés, Mateo; Knijnenburg, Peter M.W.; Sakellariou, Rizos; Fernández Garcia, Enrique (2004-07)
    Article
    Open Access
    Although simultaneous multithreading processors provide a good cost-performance tradeoff, they exhibit unpredictable performance in real-time applications. We present a resource management scheme that eliminates a major ...
  • Mining urban events from the tweet stream through a probabilistic mixture model 

    Capdevila Pujol, Joan; Cerquides, Jesús; Torres Viñals, Jordi (2017-08-30)
    Article
    Restricted access - publisher's policy
    The geographical identification of content in Social Networks have enabled to bridge the gap between online social platforms and the physical world. Although vast amounts of data in such networks are due to breaking news ...
  • Modeling seismic wave propagation using staggered-grid mimetic finite differences 

    Solano, Freysimar; Guevara-Jordan, Juan; González, Carlos; Rojas, Otilio; Otero Calviño, Beatriz (2017-04-12)
    Article
    Open Access
    Mimetic finite difference (MFD) approximations of continuous gradient and divergente operators satisfy a discrete version of the Gauss-Divergente theorem on staggered grids. On the mimetic approximation of this integral ...
  • PyCOMPSs: Parallel computational workflows in Python 

    Tejedor, Enric; Becerra Fontal, Yolanda; Alomar, Guillem; Queralt Calafat, Anna; Badia, Rosa M.; Torres Viñals, Jordi; Cortés, Toni; Labarta Mancho, Jesús José (2017-01-01)
    Article
    Open Access
    The use of the Python programming language for scientific computing has been gaining momentum in the last years. The fact that it is compact and readable and its complete set of scientific libraries are two important ...
  • PaaS-IaaS inter-layer adaptation in an energy-aware cloud environment 

    Djemame, Karim; Bosch, Raimon; Kavanagh, Richard; Alvarez, Pol; Ejarque, Jorge; Guitart Fernández, Jordi; Blasi, Lorenzo (Institute of Electrical and Electronics Engineers (IEEE), 2017-06)
    Article
    Open Access
    Cloud computing providers resort to a variety of techniques to improve energy consumption at each level of the cloud computing stack. Most of these techniques consider resource-level energy optimization at IaaS layer. This ...

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