Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 16 of 16 for “"high-performance computer"”.
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Job scheduling on high performance computer systems: Complexity and algorithms
The problem of job scheduling on Partitionable Massively Parallel Processor (PMPP) Systems is studied in this dissertation. The objective of the scheduling problem is to minimize the makespan or the total completion time. Key system features include the following: (1) the number of processors K is …
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Simulation of an optical network system for a space based high performance computer system
An important future addition for a Space Based High Performance Computer System is a high-speed optical network for faster data transmission. The purpose of this project is to research and simulate next generation computing applications on high-speed optical networks. The research has been …
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Off-line Multi-Sensor Multi-Source Calibration of Dynamic Traffic Assignment: Simultaneous Demand-Supply Estimation based on Genetic Algorithms in a High-Performance Computer
… traffic flow dynamics. Recent advancements in computer technology have led to the development of high-fidelity simulation models; however, in order to be used as reliable tools, the simulation input parameters should be properly calibrated in order to replicate prevailing traffic conditions. …
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Interconnection networks and data prefetching for large-scale multiprocessors: Design and performance
Increasing computing power demands higher memory performance than ever before, and memory access becomes a more serious bottleneck in high-performance computer systems. Therefore, reducing memory access latency or hiding the latency is crucial to achieving high performance. In shared memory …
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Estudo de tecnologias para computação paralela e distribuída: implementação de um Cluster Beowulf
… vantagens e desvantagens de um Cluster Beowulf High Performance Computer com software livre para códigos computacionais seriais e paralelos. Motivado por esta demanda, demonstrar as facilidades de instalação e recursos de gerenciamento existentes na utilização do Cluster Beowulf HPC utilizando o …
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Cooperative checkpointing for supercomputing systems
… the state and health of the machine, can improve performance and reliability by dynamically deciding when to skip checkpoint requests made by applications. This thesis presents such a technique, called cooperative checkpointing, and models its behavior as an online algorithm. Where C is the …
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Rolling-Ball Rubber-Layer system for the lightweight structures seismic protection: experimentation and numerical analyses
Protection of high-value building contents from seismic damage represents a worldwide challenging task. Artefacts, sophisticated medical and electrical equipment, high performance computer installations and other special contents have shown, in the last years, their high vulnerability both for high …
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Fast Algorithms, Modular Methods, Parallel Approaches and Software Engineering for Solving Polynomial Systems Symbolically
… of symbolic solvers is, however, a highly difficult task due to the extremely high time and space complexity of the problem. In this thesis, we study and apply fast algorithms, modular methods, parallel approaches and software engineering techniques to improve the efficiency of …
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Novel approaches in voltage-follower design
… reasons for the poor distortion, low input and high output impedances and increased offset-voltage and confirmed that these designs have inherently poor performance in these parameters. The analysis is carried out using both theoretical modelling and computer simulation, using the …
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Optimizing the Distributed Hydrology Soil Vegetation Model for Uncertainty Assessment with Serial, Multicore and Distributed Accelerations
… The paper implements and analyzes various high performance computing advancements to the original code base. Specifically this paper investigates compiler optimization, implementing par- allel computing with OpenMP, and adding distributed computing with OpenMPI. DHSVM was also tuned to run …
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Orbital-free density functional theory using higher-order finite differences
… the basis prevents the efficient use of modern high-performance computer architectures. We present a real-space formulation and higher-order finite-difference implementation of periodic Orbital-free Density Functional Theory (OF-DFT). Specifically, utilizing a local reformulation of the …
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Assessment of Seismic Behaviour of Large LNG Tanks Considering Soil-Foundation- Structure Interaction
… the numerical analyses with the help of the High-Performance Computer (HPC) at the University of Technology Sydney (UTS), taking a few weeks to a month for a single analysis to run due to the complexity of the system.
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Parallel re-initialization of level set functions and load balancing for two-phase flow simulations
… dynamics of two immiscible phases on recent high-performance computer architectures which, in general, consist of clusters of a large number of multi-core processors. The underlying mathematical model of these two-phase flows is based on the Navier-Stokes equations to describe the fluid …
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Time-dependent networks : data representation techniques and shortest path algorithms with applications to transportation problems
… potential to impact the development of efficient high performance computer implementations of dynamic shortest path algorithms in time-dependent networks. We model travel-times in dynamic networks using piece-wise linear functions. We consider the one-to-all fastest path problem in a class of …
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Accelerated deep learning for the edge-to-cloud continuum: A specialized full stack derived from algorithms
Advances in high-performance computer architecture design have been a major driver for the rapid evolution of Deep Neural Networks (DNN). Due to their insatiable demand for compute power, naturally, both the research community as well the industry have turned to accelerators to accommodate modern …
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Autonomous migration of vertual machines for maximizing resource utilization
… that would adversely affect the overall performance. The fixed threshold may not necessarily work for different computing infrastructures. Finding the optimal threshold is critical. In this research, a virtual machine migration framework is presented that autonomously finds and adjusts …