Enviaments recents

  • Reducing redundancy of real time computer graphics in mobile systems 

    De Lucas, Enrique (Universitat Politècnica de Catalunya, 2018-04-20)
    Tesi
    Accés obert
    The goal of this thesis is to propose novel and effective techniques to eliminate redundant computations that waste energy and are performed in real-time computer graphics applications, with special focus on mobile GPU ...
  • Low-power architectures for automatic speech recognition 

    Tabani, Hamid (Universitat Politècnica de Catalunya, 2018-02-21)
    Tesi
    Accés obert
    Automatic Speech Recognition (ASR) is one of the most important applications in the area of cognitive computing. Fast and accurate ASR is emerging as a key application for mobile and wearable devices. These devices, such ...
  • Analysis and simulation of emergent architectures for internet of things 

    Roca Marí, Damián (Universitat Politècnica de Catalunya, 2018-02-01)
    Tesi
    Accés obert
    The Internet of Things (IoT) promises a plethora of new services and applications supported by a wide range of devices that includes sensors and actuators. To reach its potential IoT must break down the silos that limit ...
  • Novel architectures and strategies for security offloading 

    Montero Banegas, Diego (Universitat Politècnica de Catalunya, 2017-11-03)
    Tesi
    Accés obert
    Internet has become an indispensable and powerful tool in our modern society. Its ubiquitousness, pervasiveness and applicability have fostered paradigm changes around many aspects of our lives. This phenomena has positioned ...
  • Multicore architecture optimizations for HPC applications 

    Milić, Uglješa (Universitat Politècnica de Catalunya, 2017-11-22)
    Tesi
    Accés obert
    From single-core CPUs to detachable compute accelerators, supercomputers made a tremendous progress by using available transistors on chip and specializing hardware for a given type of computation. Today, compute nodes ...
  • Identifying and diagnosing video streaming performance issues 

    Dimopoulos, Georgios (Universitat Politècnica de Catalunya, 2018-11-27)
    Tesi
    Accés obert
    On-line video streaming is an ever evolving ecosystem of services and technologies, where content providers are on a constant race to satisfy the users' demand for richer content and higher bitrate streams, updated set of ...
  • Probabilistically time-analyzable complex processor designs 

    Slijepcevic, Mladen (Universitat Politècnica de Catalunya, 2017-11-13)
    Tesi
    Accés obert
    Industry developing Critical Real-Time Embedded Systems (CRTES), such as Aerospace, Space, Automotive and Railways, faces relentless demands for increased guaranteed processor performance to support new advanced functionalities ...
  • Hierarchical distributed fog-to-cloud data management in smart cities 

    Sinaeepourfard, Amir (Universitat Politècnica de Catalunya, 2017-11-18)
    Tesi
    Accés obert
    There is a vast amount of data being generated every day in the world with different formats, quality levels, etc. This new data, together with the archived historical data, constitute the seed for future knowledge discovery ...
  • Cooperation in open, decentralized, and heterogeneous computer networks 

    Neumann, Axel (Universitat Politècnica de Catalunya, 2017-12-20)
    Tesi
    Accés obert
    Community Networks (CN) are naturally open and decentralized structures, that grow organically with the addition of heterogeneous network devices, contributed and configured as needed by their participants. The continuous ...
  • Knowledge-defined networking : a machine learning based approach for network and traffic modeling 

    Mestres Sugrañes, Albert (Universitat Politècnica de Catalunya, 2017-12-12)
    Tesi
    Accés obert
    The research community has considered in the past the application of Machine Learning (ML) techniques to control and operate networks. A notable example is the Knowledge Plane proposed by D.Clark et al. However, such ...
  • Performance characterization and optimization of in-memory data analytics on a scale-up server 

    Awan, Ahsan Javed (Universitat Politècnica de Catalunya, 2017-12-15)
    Tesi
    Accés obert
    The sheer increase in volume of data over the last decade has triggered research in cluster computing frameworks that enable web enterprises to extract big insights from big data. While Apache Spark defines the state of ...
  • Improving heterogeneous system efficiency : architecture, scheduling, and machine learning 

    Nemirovsky, Daniel A. (Universitat Politècnica de Catalunya, 2017-10-30)
    Tesi
    Accés obert
    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 ...

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