Departament d'Arquitectura de Computadors
Recent Submissions
-
Direct lookup and hash-based metadata placement : impact on architecture, performance and scalability of local and distributed file systems
(Universitat Politècnica de Catalunya, 2019-04-29)
Doctoral thesis
Open AccessNew challenges to file systems’ metadata performance are imposed by the continuously growing average number of files existing in file systems. The traditional component based lookup approach can become a performance ... -
Parallel architectures and runtime systems co-design for task-based programming models
(Universitat Politècnica de Catalunya, 2019-04-29)
Doctoral thesis
Open AccessThe increasing parallelism levels in modern computing systems has extolled the need for a holistic vision when designing multiprocessor architectures taking in account the needs of the programming models and applications. ... -
Towards resource-aware computing for task-based runtimes and parallel architectures
(Universitat Politècnica de Catalunya, 2019-04-24)
Doctoral thesis
Open AccessCurrent large scale systems show increasing power demands, to the point that it has become a huge strain on facilities and budgets. The increasing restrictions in terms of power consumption of High Performance Computing ... -
Memory bandwidth and latency in HPC: system requirements and performance impact
(Universitat Politècnica de Catalunya, 2019-05-07)
Doctoral thesis
Open AccessA major contributor to the deployment and operational costs of a large-scale high-performance computing (HPC) clusters is the memory system. In terms of system performance it is one of the most critical aspects of the ... -
Improving resource efficiency in virtualized datacenters
(Universitat Politècnica de Catalunya, 2019-04-29)
Doctoral thesis
Open AccessIn recent years there has been an extraordinary growth of the Internet of Things (IoT) and its protocols. The increasing diffusion of electronic devices with identification, computing and communication capabilities is ... -
A framework for multidimensional indexes on distributed and highly-available data stores
(Universitat Politècnica de Catalunya, 2019-03-22)
Doctoral thesis
Open AccessSpatial 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. ... -
A time-predictable parallel programing model for real-time systems
(Universitat Politècnica de Catalunya, 2019-03-13)
Doctoral thesis
Open AccessThe recent technological advancements and market trends are causing an interesting phenomenon towards the convergence of the high-performance and the embedded computing domains. Critical real-time embedded systems are ... -
Contributions to network planning and operation of Flex-Grid/SDM optical core networks
(Universitat Politècnica de Catalunya, 2019-03-14)
Doctoral thesis
Open AccessThe ever demanding bandwidth requirements for supporting emerging telecom services such as ultra-high-definition video streaming, cloud computing, connected car, virtual/augmented reality, etc., bring to the fore the ... -
Design, monitoring and performance evaluation of high capacity optical networks
(Universitat Politècnica de Catalunya, 2019-02-22)
Doctoral thesis
Open AccessInternet traffic is expected to keep increasing exponentially due to the emergence of a vast number of innovative online services and applications. Optical networks, which are the cornerstone of the underlying Internet ... -
Advanced analytics through FPGA based query processing and deep reinforcement learning
(Universitat Politècnica de Catalunya, 2019-02-12)
Doctoral thesis
Open AccessToday, vast streams of structured and unstructured data have been incorporated in databases, and analytical processes are applied to discover patterns, correlations, trends and other useful relationships that help to take ... -
Computer-language based data prefetching techniques
(Universitat Politècnica de Catalunya, 2019-01-25)
Doctoral thesis
Open AccessData 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 ... -
Compiler and runtime based parallelization & optimization for GPUs
(Universitat Politècnica de Catalunya, 2018-12-13)
Doctoral thesis
Open AccessGraphics 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 ...
RSS 1.0