Now showing items 21-40 of 358

    Affordable kilo-instruction processors 

    Pericàs Gleim, Miquel (Date of defense: 2008-12-09)

    Diversos motius expliquen l'estancament en el que es troba el desenvolupament del processador tradicional dissenyat per maximitzar el rendiment d'un únic fil d'execució. Per una banda, técniques agressives com la supersegmentacó ...

    Aggressive undervolting of FPGAs : power & reliability trade-offs 

    Salami, Behzad (Date of defense: 2018-11-19)

    In this work, we evaluate aggressive undervolting, i.e., voltage underscaling below the nominal level to reduce the energy consumption of Field Programmable Gate Arrays (FPGAs). Usually, voltage guardbands are added by ...

    Ahorro Energético en la Planificación de Sistemas en Tiempo Real 

    Moncusí Mercadé, Maria Angels (Date of defense: 2005-12-21)

    La evolución de los procesadores siempre ha consistido en ir aumentando el rendimiento de estos, fijando como medida de este aumento de rendimiento la velocidad de proceso en la ejecución de las distintas aplicaciones. Sin ...

    Algoritmos de ordenación conscientes de la arquitectura y las características de los datos 

    Jiménez González, Daniel (Date of defense: 2004-07-02)

    En esta tesis analizamos y presentamos algoritmos de ordenación secuencial y paralelo que explotan la jerarquía de memoria del computador usado y/o reducen la comunicación de los datos. Sin embargo, aunque los objetivos ...

    Ambient intelligence in buildings : design and development of an interoperable Internet of Things platform 

    Sembroiz Ausejo, David (Date of defense: 2020-03-06)

    During many years, people and governments have been warned about the increasing levels of pollution and greenhouse gases (GHG) emissions that are endangering our lives on this planet. The Information and Communication ...

    An approach to pervasive monitoring in dynamic learning contexts : data sensing, communication support and awareness provision 

    Medina Medina, Esunly (Date of defense: 2016-02-09)

    It is within the capabilities of current technology to support the emerging learning paradigms. These paradigms suggest that today’s learning activities and environments are pervas ive and require a higher level of dynamism ...

    An Online writer recognition system based on in-air and on-surface trajectories 

    Sesa Nogueras, Enric (Date of defense: 2012-09-20)

    The main motivation of this dissertation is the exploration of the field of online text-dependent writer recognition, in order to provide evidence of the usefulness of short sequences of text to perform identification and ...

    An ontology-based approach toward the configuration of heterogeneous network devices 

    Martínez, Anny (Date of defense: 2015-05-25)

    Despite the numerous efforts of standardization, semantic issues remain in effect in many subfields of networking. The inability to exchange data unambiguously between information systems and human resources is an issue ...

    Analysis and architectural support for parallel stateful packet processing 

    Verdú Mulà, Javier (Date of defense: 2008-07-09)

    The evolution of network services is closely related to the network technology trend. Originally network nodes forwarded packets from a source to a destination in the network by executing lightweight packet processing, or ...

    Analysis and optimization of question answering systems 

    Domínguez Sal, David (Date of defense: 2010-04-23)

    Analysis and simulation of emergent architectures for internet of things 

    Roca Marí, Damián (Date of defense: 2018-02-01)

    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 ...

    Aplicación de la simulación en tiempo real para mejorar la calidad de servicio del middleware 

    Nou Castell, Ramón (Date of defense: 2008-10-31)

    La utilización de aplicaciones de diferente naturaleza dentro de un mismo entorno, entorno heterogéneo, se está extendiendo gracias a la incorporación de técnicas de virtualización a los servidores. Compartir un servidor ...

    Application of clustering analysis and sequence analysis on the performance analysis of parallel applications 

    González García, Juan (Date of defense: 2013-06-07)

    High Performance Computing and Supercomputing is the high end area of the computing science that studies and develops the most powerful computers available. Current supercomputers are extremely complex so are the applications ...

    Architectural explorations for streaming accelerators with customized memory layouts 

    Shafiq, Muhammad (Date of defense: 2012-05-21)

    El concepto básico de la arquitectura mono-nucleo en los procesadores de propósito general se ajusta bien a un modelo de programación secuencial. La integración de multiples núcleos en un solo chip ha permitido a los ...

    Architectural support for high-performing hardware transactional memory systems 

    Lupon Navazo, Marc (Date of defense: 2011-12-23)

    Parallel programming presents an efficient solution to exploit future multicore processors. Unfortunately, traditional programming models depend on programmer’s skills for synchronizing concurrent threads, which makes ...

    Architecture support for intrusion detection systems 

    Sreekar Shenoy, Govind (Date of defense: 2012-10-30)

    System security is a prerequisite for efficient day-to-day transactions. As a consequence, Intrusion Detection Systems (IDS) are commonly used to provide an effective security ring to systems in a network. An IDS operates ...

    Artificial intelligence solutions for quantum communications 

    Ahmadian, Seyed Morteza (Date of defense: 2023-06-16)

    (English) This Ph.D. thesis focuses on the application of intelligent models to Discrete-Variable Quantum Key Distribution (DV-QKD) protocol. The first objective focuses on providing a method for AI-based polarization ...

    Atomic dataflow model 

    Gajinov, Vladimir (Date of defense: 2014-11-20)

    With the recent switch in the design of general purpose processors from frequency scaling of a single processor core towards increasing the number of processor cores, parallel programming became important not only for ...