Now showing items 142-161 of 358

    Flexible architecture for the future internet scalability of SDN control plane 

    Rasol, Kurdman Abdulrahman (Date of defense: 2022-01-28)

    Software-Defined Networking (SDN) separates the control plane from the data plane. The initial SDN approach involves a single centralized controller, which may not scale properly as a network grows in size. Distributed ...

    Formal mission specification and execution mechanisms for unmanned aircraft systems 

    Santamaría Barnadas, Eduard (Date of defense: 2010-06-15)

    Unmanned Aircraft Systems (UAS) are rapidly gaining attention due to the increasing potential of their applications in the civil domain. UAS can provide great value performing environmental applications, during emergency ...

    Forwarding fault detection in wireless community networks 

    López Berga, Ester (Date of defense: 2017-07-10)

    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, ...

    A framework for multidimensional indexes on distributed and highly-available data stores 

    Cugnasco, Cesare (Date of defense: 2019-03-22)

    Spatial Big Data is considered an essential trend in future scientific and business applications. Indeed, research instruments, medical devices, and social networks generate hundreds of peta bytes of spatial data per year. ...

    GMPLS-OBS interoperability and routing acalability in internet 

    Mendoça Pedroso, Pedro Miguel (Date of defense: 2011-12-16)

    The popularization of Internet has turned the telecom world upside down over the last two decades. Network operators, vendors and service providers are being challenged to adapt themselves to Internet requirements in a way ...

    GRID superscalar: a programming model for the Grid 

    Sirvent Pardell, Raül (Date of defense: 2009-02-03)

    Durant els darrers anys el Grid ha sorgit com una nova plataforma per la computació distribuïda. La tecnologia Gris permet unir diferents recursos de diferents dominis administratius i formar un superordinador virtual amb ...

    Hardware design of task superscalar architecture 

    Yazdanpanah, Fahimeh (Date of defense: 2014-06-26)

    Exploiting concurrency to achieve greater performance is a difficult and important challenge for current high performance systems. Although the theory is plain, the complexity of traditional parallel programming models in ...

    Hardware runtime management for task-based programming models 

    Tan, Xubin (Date of defense: 2018-11-26)

    Task-based programming models allow programmers to express applications as a collection of tasks with dependences. They are simple to use and greatly improve programmability by using software runtimes to exploit task ...

    Hardware thread scheduling algorithms for single-ISA asymmetric CMPs 

    Markovic, Nikola (Date of defense: 2015-12-22)

    Through the past several decades, based on the Moore's law, the semiconductor industry was doubling the number of transistors on the single chip roughly every eighteen months. For a long time this continuous increase in ...

    Hardware/software co-design for data-intensive genomics workloads 

    Cadenelli, Luca (Date of defense: 2019-12-19)

    Since the last decade, the main components of computer systems have been evolving, diversifying, to overcome their physical limits and to minimize their energy footprint. Hardware specialization and heterogeneity have ...

    Hardware/software solutions to enable the use of high-performance processors in the most stringent safety-critical systems 

    Alcaide Portet, Sergi (Date of defense: 2023-07-19)

    (English) Future Safety-Critical Systems require a boost in guaranteed performance in order to satisfy the increasing performance demands of the state-of-the-art complex software features. Ar1 approach to achieve these ...

    HERMESH : a geometrical domain composition method in computational mechanics 

    Eguzkitza Bazar, Ane Beatriz (Date of defense: 2014-06-17)

    With this thesis we present the HERMESH method which has been classified by us as a a composition domain method. This term comes from the idea that HERMESH obtains a global solution of the problem from two independent ...

    Heterogeneity-awareness in multithreaded multicore processors 

    Acosta Ojeda, Carmelo Alexis (Date of defense: 2009-07-07)

    During the last decades, Computer Architecture has experienced a great series of revolutionary changes. The increasing transistor count on a single chip has led to some of the main milestones in the field, from the release ...

    Hierarchical distributed fog-to-cloud data management in smart cities 

    Sinaeepourfard, Amir (Date of defense: 2017-11-18)

    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 ...

    High performance instruction fetch using software and hardware co-design 

    Ramírez Bellido, Alejandro (Date of defense: 2002-07-12)

    En los últimos años, el diseño de procesadores de altas prestaciones ha progresado a lo largo de dos corrientes de investigación: incrementar la profundidad del pipeline para permitir mayores frecuencias de reloj, y ensanchar ...

    High-level compiler analysis for OpenMP 

    Royuela Alcázar, Sara (Date of defense: 2018-06-11)

    Nowadays, applications from dissimilar domains, such as high-performance computing and high-integrity systems, require levels of performance that can only be achieved by means of sophisticated heterogeneous architectures. ...

    High-performance and energy-efficient irregular graph processing on GPU architectures 

    Segura Salvador, Albert (Date of defense: 2021-02-18)

    Graph processing is an established and prominent domain that is the foundation of new emerging applications in areas such as Data Analytics and Machine Learning, empowering applications such as road navigation, social ...

    HPC memory systems: Implications of system simulation and checkpointing 

    Sánchez Verdejo, Rommel (Date of defense: 2022-02-04)

    The memory system is a significant contributor for most of the current challenges in computer architecture: application performance bottlenecks and operational costs in large data-centers as HPC supercomputers. With the ...

    HW/SW mechanisms for instruction fusion, issue and commit in modern u-processors 

    Deb, Abhishek (Date of defense: 2012-05-03)

    In this thesis we have explored the co-designed paradigm to show alternative processor design points. Specifically, we have provided HW/SW mechanisms for instruction fusion, issue and commit for modern processors. We have ...

    Identifying and combating cyber-threats in the field of online banking 

    Aguilà Vilà, Jordi (Date of defense: 2016-02-18)

    This thesis has been carried out in the industrial environment external to the University, as an industrial PhD. The results of this PhD have been tested, validated, and implemented in the production environment of Caixabank ...