Now showing items 44-63 of 358

    Autonomous and reliable operation of multilayer optical networks 

    Barzegar, Sima (Date of defense: 2022-06-03)

    This Ph.D. thesis focuses on the reliable autonomous operation of multilayer optical networks. The first objective focuses on the reliability of the optical network and proposes methods for health analysis related to ...

    Binary Redundancy Elimination 

    Fernández Gómez, Manuel (Date of defense: 2005-04-13)

    Dos de las limitaciones de rendimiento más importantes en los procesadores de hoy en día provienen de las operaciones de memoria y de las dependencias de control. Para resolver estos problemas, las memorias cache y los ...

    Bounded model checking for asynchronous concurrent systems 

    Rakotoarisoa, Manitra Johanesa (Date of defense: 2014-03-04)

    Complex hardware systems become more and more ubiquitous in mission critical applications such as military, satellite, and medical to name but a few. In such applications, reliability remains a primary concern because a ...

    Breaking host-centric management of task-based parallel programming models 

    Bosch Pons, Jaume (Date of defense: 2021-07-21)

    Heterogeneous platforms had become popular to increase the computational power of the systems within a constrained power budget. They are present in several systems, from embedded platforms and mobile devices to high-end ...

    Bringing cognition to multilayer transport networks 

    Pérez Vela, Alba (Date of defense: 2018-11-09)

    Operator’s transport networks are becoming increasingly more complex due to the large number of network layers needed to support the ever increasing number of new services (e.g., video-on-demand, social media, on-line ...

    Broadcast-oriented wireless network-on-chip : fundamentals and feasibility 

    Abadal Cavallé, Sergi (Date of defense: 2016-07-15)

    Recent years have seen the emergence and ubiquitous adoption of Chip Multiprocessors (CMPs), which rely on the coordinated operation of multiple execution units or cores. Successive CMP generations integrate a larger number ...

    Business-driven resource allocation and management for data centres in cloud computing markets 

    Macias Lloret, Mario (Date of defense: 2014-05-28)

    Cloud Computing markets arise as an efficient way to allocate resources for the execution of tasks and services within a set of geographically dispersed providers from different organisations. Client applications and service ...

    Cache designs for reliable hybrid high and ultra-low voltage operation 

    Maric, Bojan (Date of defense: 2014-05-16)

    Increasing demand for implementing highly-miniaturized battery-powered ultra-low-cost systems (e.g., below 1 USD) in emerging applications such as body, urban life and environment monitoring, etc., has introduced many ...

    Cache memory design in the FinFET era 

    Jakšić, Zoran (Date of defense: 2015-07-23)

    The major problem in the future technology scaling is the variations in process parameters that are interpreted as imperfections in the development process. Moreover, devices are more sensitive to the environmental changes ...

    Castell: a heterogeneous cmp architecture scalable to hundreds of processors 

    Cabarcas Jaramillo, Felipe (Date of defense: 2011-09-19)

    Technology improvements and power constrains have taken multicore architectures to dominate microprocessor designs over uniprocessors. At the same time, accelerator based architectures have shown that heterogeneous ...

    Channel assignment protocols for multi-radio multi-channel wireless mesh netwworks 

    Amiri Nehzad, Maryam (Date of defense: 2013-01-30)

    The increasing demand for large and low cost wireless coverage, ranging from campus to city wide areas, has motivated a high interest in multi-hop communications with Wireless Mesh Networks (WMN) based on IEEE 802.11s as ...

    Characterization, design and re-optimization on multi-layer optical networks 

    Ruiz Ramírez, Marc (Date of defense: 2012-12-21)

    L'augment de volum de tràfic IP provocat per l'increment de serveis multimèdia com HDTV o vídeo conferència planteja nous reptes als operadors de xarxa per tal de proveir transmissió de dades eficient. Tot i que les xarxes ...

    Circuit designs for increasing reliability and reducing energy 

    Seyedi, Azamolsadat (Date of defense: 2016-02-02)

    Computing technology has witnessed an inimitable progress in the last decades which is the result of CMOS technology scaling commensurate with Moore's law. Transistor feature sizes have shrunk to half at each generation, ...

    Co-designed solutions for overhead removal in dynamically typed languages 

    Dot Artigas, Gem (Date of defense: 2016-07-26)

    Dynamically typed languages are ubiquitous in today's applications. These languages ease the task of programmers but introduce significant runtime overheads since variables are neither declared nor bound to a particular ...

    Code optimizations for narrow bitwidth architectures 

    Bhagat, Indu (Date of defense: 2012-02-23)

    This thesis takes a HW/SW collaborative approach to tackle the problem of computational inefficiency in a holistic manner. The hardware is redesigned by restraining the datapath to merely 16-bit datawidth (integer datapath ...

    Code-Centric Domain Isolation : a hardware/software co-design for efficient program isolation 

    Vilanova García, Lluís (Date of defense: 2016-01-14)

    Current software systems contain a multitude of software components: from simple libraries to complex plugins and services. System security and resiliency depends on being able to isolate individual components onto separate ...

    Communication reduction techniques in numerical methods and deep neural networks 

    Zhuang, Sicong (Date of defense: 2019-11-28)

    Inter-node communication has turned out to be one of the determining factors of the performance on modern HPC systems. Furthermore, the situation only gets worse with the ever-incresing size of the cores involved. Hence, ...

    Compiler and runtime based parallelization & optimization for GPUs 

    Ozen, Guray (Date of defense: 2018-12-13)

    Graphics Processing Units (GPU) have been widely adopted to accelerate the execution of HPC workloads due to their vast computational throughput, ability to execute a large number of threads inside SIMD groups in parallel ...

    Computación difusa 

    Álvarez Martínez, Carlos (Date of defense: 2007-05-16)

    Esta tesis se enmarca en el ámbito de las técnicas de mejora de la eficiencia de ejecución (disminución del consumo y aumento de la velocidad) en el diseño de procesadores orientados a la ejecución de aplicaciones multimedia. ...

    Computer-language based data prefetching techniques 

    Touma, Rizkallah (Date of defense: 2019-01-25)

    Data prefetching has long been used as a technique to improve access times to persistent data. It is based on retrieving data records from persistent storage to main memory before the records are needed. Data prefetching ...