Now showing items 1-20 of 37

  • Accelerating hyperparameter optimisation with PyCOMPSs 

    Kahira, Albert Njoroge; Bautista Gomez, Leonardo Arturo; Conejero, Javier; Badia Sala, Rosa Maria (Association for Computing Machinery (ACM), 2019)
    Conference report
    Open Access
    Machine Learning applications now span across multiple domains due to the increase in computational power of modern systems. There has been a recent surge in Machine Learning applications in High Performance Computing (HPC) ...
  • A distributed auctioneer for resource allocation in decentralized systems 

    Khan, Muhammad Amin; Vilaça, Xavier; Rodrigues, Luís; Freitag, Fèlix (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Conference report
    Open Access
    In decentralized systems, nodes often need to coordinate to access shared resources in a fair manner. One approach to perform such arbitration is to rely on auction mechanisms. Although there is an extensive literature ...
  • 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 ...
  • ALOJA-ML: a framework for automating characterization and knowledge discovery in Hadoop deployments 

    Berral García, Josep Lluís; Poggi, Nicolas; Carrera Pérez, David; Call, Aaron; Reinauer, Rob; Green, Daron (Association for Computing Machinery (ACM), 2015)
    Conference report
    Open Access
    This article presents ALOJA-Machine Learning (ALOJA-ML) an extension to the ALOJA project that uses machine learning techniques to interpret Hadoop benchmark performance data and performance tuning; here we detail the ...
  • Análisis e implementación de una gestión dinámica de la granularidad de las tareas en un sistema distribuido 

    Espejo Saldaña, Adrián (Universitat Politècnica de Catalunya, 2019-07-01)
    Bachelor thesis
    Open Access
    Covenantee:  Barcelona Supercomputing Centre
    Hecuba es una interfaz y un conjunto de herramientas escrito en Python y C++, desarrollada por el equipo Data-driven Scientific Computing del Barcelona Supercomputing Center. El objetivo es facilitar a los programadores ...
  • An experimental study on peer selection in a P2P network over PlanetLab 

    Xhafa Xhafa, Fatos; Barolli, Leonard; Fernandez Correa, Raul; Daradoumis, Thanasis (Institute of Electrical and Electronics Engineers (IEEE), 2007)
    Conference report
    Open Access
    Peer selection is an important aspect in many P2P applications requiring efficient assignment and execution of jobs to peer nodes and search and file transfer, among others. Due to increasing interest of using P2P systems ...
  • An ILP-based real-time scheduler for distributed and heterogeneous computing environments 

    Sabaté, Eudald; Serrano, Maria A.; Quiñones, Eduardo (Barcelona Supercomputing Center, 2019-05-07)
    Conference report
    Open Access
  • Aplicació d'una arquitectura de procés distribuït a una eina d'agregació de components software 

    Aguilera Cazorla, Sergio (Universitat Politècnica de Catalunya, 2013-01-08)
    Master thesis (pre-Bologna period)
    Open Access
    [ANGLÈS] In the present days, software tools that execute a distributed and decentralized process and data handling represent key figures for the good performance of a high number of industrial processes and business models. ...
  • Arquitectura de microserveis 

    Mascarell Ruiz, Pau (Universitat Politècnica de Catalunya, 2017)
    Bachelor thesis
    Restricted access - confidentiality agreement
  • Badges-io: Gamification com a exemple de microservei 

    Mariño Espinosa, Miguel Alejandro (Universitat Politècnica de Catalunya, 2016)
    Master thesis (pre-Bologna period)
    Open Access
    Creació d'un microservei basat en API Rest per a gestionar una eina basada en gamification. L'eina s'implementa utilitzant l'arquitectura hexagonal i TDD. Es mesura l'impacte de modificació de codi per mesurar l'impacte ...
  • Computación cooperativa 

    Barceló Garcia, Miquel (2008-01)
    Article
    Open Access
  • Cyberinfrastructure programming with COMPSs 

    Lordan Gomis, Francesc-Josep; Lezzi, Daniele; Badia Sala, Rosa Maria (Barcelona Supercomputing Center, 2019-05-07)
    Conference report
    Open Access
  • Desenvolupament de codis d'àlgebra lineal amb PyCOMPSs 

    Amela Milian, Ramon (Universitat Politècnica de Catalunya, 2017-01-17)
    Bachelor thesis
    Open Access
    Covenantee:  Barcelona Supercomputing Centre
    Arrel de l’interès per ser capaç d’utilitzar les llibreries de NumPy amb MKL en entorns distribuïts, va sorgir una col·laboració entre Intel R i el departament de Workflows and distributed computing del BSC. Aquest ...
  • Design and implementation of a distributed IP mapping system 

    Moix Alcaraz, Bernat (Universitat Politècnica de Catalunya, 2017-06-28)
    Bachelor thesis
    Restricted access - confidentiality agreement
  • Distributed-based massive processing of activity logs for efficient user modeling in a Virtual Campus 

    Caballé Llobet, Santiago; Xhafa Xhafa, Fatos (Kluwer Academic Publishers, 2013-12)
    Article
    Open Access
    This paper reports on a multi-fold approach for the building of user models based on the identification of navigation patterns in a virtual campus, allowing for adapting the campus’ usability to the actual learners’ needs, ...
  • Distributed coding using punctured quasi-arithmetic codes for memory and memoryless sources 

    Malinowski, Simon; Artigas Roca, Javier; Guillemot, Christine; Torres Urgell, Lluís (IEEE Press. Institute of Electrical and Electronics Engineers, 2009-10-01)
    Article
    Open Access
    This correspondence considers the use of punctured quasi-arithmetic (QA) codes for the Slepian–Wolf problem. These entropy codes are defined by finite state machines for memoryless and first-order memory sources. ...
  • Elastic management of tasks in virtualized environments 

    Goiri Presa, Íñigo; Guitart Fernández, Jordi; Torres Viñals, Jordi (2009-09)
    Conference report
    Open Access
    Nowadays, service providers in the Cloud offer complex services ready to be used as it was a commodity like water or electricity to their customers. A key technology for this approach is virtualization which facilitates ...
  • FaTLease: scalable fault-tolerant lease negotiation with Paxos 

    Hupfeld, Felix; Kolbeck, Björn; Stender, Jan; Högqovist, Mikael; Cortés, Toni; Marti, Jonathan; Malo, Jesús (2008-06)
    Conference report
    Restricted access - publisher's policy
    A lease is a token which grants its owner exclusive access to a resource for a defined span of time. In order to be able to tolerate failures, leases need to be coordinated by distributed processes. We present FaTLease, ...
  • Game-theoretic, market and meta-heuristics approaches for modelling scheduling and resource allocation in grid systems 

    Xhafa Xhafa, Fatos; Kolodziej, Joana (Institute of Electrical and Electronics Engineers (IEEE), 2010)
    Conference report
    Open Access
    Task scheduling and resource allocation are the crucial issues in any large scale distributed system, such as Computational Grids (CGs). However, traditional computational models and resolution methods cannot effectively ...
  • Improving the throughput of an atmospheric model using an asynchronous parallel I/O server 

    Yepes Arbós, Xavier (Universitat Politècnica de Catalunya, 2018-04)
    Master thesis
    Open Access
    Covenantee:  Barcelona Supercomputing Centre
    This master's thesis analyzes the I/O process of IFS. It is presented an easy-to-use development that integrates an asynchronous parallel I/O server called XIOS into IFS. Moreover, different optimization techniques are ...