Recent Submissions

  • Improving heterogeneous system efficiency : architecture, scheduling, and machine learning 

    Nemirovsky, Daniel A. (Universitat Politècnica de Catalunya, 2017-10-30)
    Doctoral thesis
    Open Access
    Computer architects are beginning to embrace heterogeneous systems as an effective method to utilize increases in transistor densities for executing a diverse range of workloads under varying performance and energy ...
  • Mechanisms for service-oriented resource allocation in IoT 

    Souza, Vitor Barbosa Carlos de (Universitat Politècnica de Catalunya, 2018-01-10)
    Doctoral thesis
    Open Access
    Albeit several IoT applications have been recently deployed in several fields, including environment and industry monitoring, Smart Home, Smart Hospital and Smart Agriculture, current deployments are mostly host-oriented, ...
  • Simulation methodologies for future large-scale parallel systems 

    Grass, Thomas (Universitat Politècnica de Catalunya, 2017-10-09)
    Doctoral thesis
    Open Access
    Since the early 2000s, computer systems have seen a transition from single-core to multi-core systems. While single-core systems included only one processor core on a chip, current multi-core processors include up to tens ...
  • Memory hierarchies for future HPC architectures 

    García Flores, Víctor (Universitat Politècnica de Catalunya, 2017-10-02)
    Doctoral thesis
    Open Access
    Efficiently managing the memory subsystem of modern multi/manycore architectures is increasingly becoming a challenge as systems grow in complexity and heterogeneity. In the field of high performance computing (HPC) in ...
  • Edge-elements formulation of 3D CSEM in geophysics : a parallel approach 

    Castillo Reyes, Octavio (Universitat Politècnica de Catalunya, 2017-10-23)
    Doctoral thesis
    Open Access
    Electromagnetic methods (EM) are an invaluable research tool in geophysics whose relevance has increased rapidly in recent years due to its wide industrial adoption. In particular, the forward modelling of three-dimensional ...
  • Enabling the use of embedded and mobile technologies for high-performance computing 

    Rajović, Nikola (Universitat Politècnica de Catalunya, 2017-06-30)
    Doctoral thesis
    Open Access
    In the late 1990s, powerful economic forces led to the adoption of commodity desktop processors in High-Performance Computing(HPC). This transformation has been so effective that the November 2016 TOP500 list is still ...
  • Specialization and reconfiguration of lightweight mobile processors for data-parallel applications 

    Duric, Milovan (Universitat Politècnica de Catalunya, 2016-01-26)
    Doctoral thesis
    Open Access
    The worldwide utilization of mobile devices makes the segment of low power mobile processors leading in the entire computer industry. Customers demand low-cost, high-performance and energy-efficient mobile devices, which ...
  • Enabling caches in probabilistic timing analysis 

    Kosmidis, Leonidas (Universitat Politècnica de Catalunya, 2017-09-06)
    Doctoral thesis
    Open Access
    Hardware and software complexity of future critical real-time systems challenges the scalability of traditional timing analysis methods. Measurement-Based Probabilistic Timing Analysis (MBPTA) has recently emerged as an ...
  • Query expansion by relying on the structure of knowledge bases 

    Guisado Gámez, Joan (Universitat Politècnica de Catalunya, 2017-09-28)
    Doctoral thesis
    Open Access
    Query expansion techniques aim at improving the results achieved by a user's query by means of introducing new expansion terms, called expansion features. Expansion features introduce new concepts that are semantically ...
  • Energy optimising methodologies on heterogeneous data centres 

    Nishtala, Rajiv (Universitat Politècnica de Catalunya, 2017-07-10)
    Doctoral thesis
    Open Access
    In 2013, U.S. data centres accounted for 2.2% of the country's total electricity consumption, a figure that is projected to increase rapidly over the next decade. A significant proportion of power consumed within a data ...
  • Forwarding fault detection in wireless community networks 

    López Berga, Ester (Universitat Politècnica de Catalunya, 2017-07-10)
    Doctoral thesis
    Open Access
    Wireless community networks (WCN) are specially vulnerable to routing forwarding failures because of their intrinsic characteristics: use of inexpensive hardware that can be easily accessed; managed in a decentralized way, ...
  • On algorithmic reductions in task-parallel programming models 

    Ciesko, Jan (Universitat Politècnica de Catalunya, 2017-07-24)
    Doctoral thesis
    Open Access
    Wide adoption of parallel processing hardware in mainstream computing as well as the interest for efficient parallel programming in developer communities increase the demand for programming models that offer support for ...

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