Now showing items 281-300 of 364
Palomar Pérez, Óscar (Date of defense: 2011-05-09)
Modern processors use out-of-order processing logic to achieve high performance in Instructions Per Cycle (IPC) but this logic has a serious impact on the achievable frequency. In order to get better performance out of ...
Goiri, Íñigo (Date of defense: 2011-06-14)
Last decade, providers started using Virtual Machines (VMs) in their datacenters to pack users and their applications. This was a good way to consolidate multiple users in fewer physical nodes while isolating them from ...
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 ...
Álvarez Mesa, Mauricio (Date of defense: 2011-09-08)
Digital video is a popular technology used in many different applications. The quality of video, expressed in the spatial and temporal resolution, has been increasing continuously in the last years. In order to reduce the ...
Lira Rueda, Javier (Date of defense: 2011-11-25)
Researchers from both academia and industry agree that future CMPs will accommodate large shared on-chip last-level caches. However, the exponential increase in multicore processor cache sizes accompanied by growing on-chip ...
Fusté Vilella, David (Date of defense: 2011-10-21)
Les xarxes mòbils ad-hoc, també conegues com a MANETs, han estat des de fa ja molt temps objectiu d'estudi per part de la comunitat científica. No obstant això, la seva importància dins el món de la indústria és encara ...
Domínguez Sal, David (Date of defense: 2010-04-23)
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 ...
Paolieri, Marco (Date of defense: 2011-11-04)
The increasing demand for new functionalities in current and future hard real-time embedded systems, like the ones deployed in automotive and avionics industries, is driving an increment in the performance required in ...
Hasanov Zyulkyarov, Ferard (Date of defense: 2011-07-19)
Transactional memory (TM) is a new optimistic synchronization technique which has the potential of making shared memory parallel programming easier compared to locks without giving up from the performance. This thesis ...
Gheorghiu, Steluta (Date of defense: 2011-07-11)
With the proliferation of smart devices that require Internet connectivity anytime, anywhere, and the recent technological advances that make it possible, current networked systems will have to provide a various range of ...
Alonso López, Javier (Date of defense: 2011-02-21)
The availability of the Information Technologies for everything, from everywhere, at all times is a growing requirement. We use information Technologies from common and social tasks to critical tasks like managing nuclear ...
Barlet Ros, Pere (Date of defense: 2008-12-15)
Monitoring and mining real-time network data streams are crucial operations for managing and operating data networks. The information that network operators desire to extract from the network traffic is of different size, ...
Farreras Esclusa, Montse (Date of defense: 2008-12-12)
Since the invention of the transistor, clock frequency increase was the primary method of improving computing performance. As the reach of Moore's law came to an end, however, technology driven performance gains became ...
Marín Tordera, Eva (Date of defense: 2007-06-14)
En los últimos años, las nuevas aplicaciones de Internet tales como aplicaciones multimedia, video a demanda, etc, requieren progresivamente mayor capacidad y garantías de calidad de servicio. En ese sentido el modelo de ...
Arnedo-Moreno, Joan (Date of defense: 2009-07-07)
Peer-to-peer applications enable a group of users to create a communications framework from scratch without the need of a central service provider. This is achievable via the aggregation of resources each one of them ...
Gelado Fernández, Isaac (Date of defense: 2010-07-02)
Heterogeneous parallel computing combines general purpose processors with accelerators to efficiently execute both sequential control-intensive and data-parallel phases of applications. Existing programming models for ...
Banús Alsina, Josep María (Date of defense: 2008-05-29)
Esta tesis afronta el problema de la planificación de sistemas de tiempo real utilizando sistemas multiprocesador con memoria compartida. Según laliteratura este problema es NP-Hard. En las aplicaciones de sistemas de ...
Carrera Pérez, David (Date of defense: 2008-07-08)
El creixement experimentat tant per la web com per Internet en els últims anys ha potenciat l'introducció de servidors d'aplicacions dins de la majoria d'entorns d'execució distribuits. El servidors d'aplicacions web porten ...
Luna García, Jesús (Date of defense: 2008-05-05)
Los encargados de recursos Grid pueden autorizar el acceso a sus elementos de cómputo por medio de procedimientos bien establecidos para los clientes, regularmente a través del uso de credenciales criptográficas que en su ...