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.
Results
Showing 1 to 20 of 100 for “"Computational Performance"”.
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Wavelets and PDEs : the improvement of computational performance using multi-resolution analysis
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mathematics, 1998.
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Pedagogic evaluation, computational performance and orientations to mathematics: a study of the constitution of Grade 10 mathematics in two secondary schools
… that social class differences in learner performances in school mathematics suggest differences in the functioning of pedagogic evaluation, and therefore differences in what is constituted as mathematics, and how, in pedagogic situations differentiated by social class (e.g. Dowling). The …
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A Compensated Distributed Line Decoupling approach for real time applications
… be combined with the SSN solver to improve its computational performance and remove bottleneck issues. The CDLD method was tested on three IEEE systems in real-time, and significant improvement was realized in network response and computational performance compared to the prevailing methods. The …
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Optimal scheduling of fighter aircraft maintenance
… across the planning horizon. We find that the computational performance of the MIP formulation is less than desirable for large instances of real-world data. Motivated by the need for improved computational performance, we develop an alternative formulation that disaggregates the original MIP …
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CAD-Based Geometry Representations for Monte Carlo Fusion Neutronics Methods and CSG vs. DAGMC Performance Tradeoffs in OpenMC
… into MC radiation transport, focusing on computational performance implications of the Direct Accelerated Geometry Monte Carlo (DAGMC) approach. This work examines different neutronics model representations, including CSG, Unstructured Mesh (UM), and DAGMC for the practical solutions they …
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Scalability of dynamic traffic assignment
… develops a systematic approach to analyze the computational performance of Dynamic Traffic Assignment (DTA) models and provides solution techniques to improve their scalability for on-line applications for large-scale networks. DTA models for real-time use provide short-term predictions of …
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Circuit-switched multicomputers and heuristic load placement
… assume the raison d'etre of ensemble systems is performance; the methods used to solve problems, and the implementation of those methods on an ensemble system depend on the communication and computational performance of the ensemble system.
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Automatic Generation of Efficient Parallel Streaming Structures for Hardware Implementation
Digital signal processing systems demand higher computational performance and more operations per second than ever before, and this trend is not expected to end any time soon. Processing architectures must adapt in order to meet these demands. The two techniques most prevalent for achieving …
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Novel parallel computing decoupling methods for power system distribution networks
… environment. The proposed techniques help remove computational limitations and speedup real-time simulation of networks. Prior to this work, the solutions employed include approaches such as decoupling with Stublines or delay-free State Space Nodal (SSN) solvers. Further, these approaches are …
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Algorithmic And Mathematical Programming Approaches To Scheduling Problems With Energy-Based Objectives
… two mixed integer programs and test their computational performance on instances arising from the manufacturing of cast iron plates. We also examine the PFSPP problem with two machines and zero intermediate storage, and investigate the structural properties of optimal schedules in this …
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Otimização de redes de distribuição de água: estudo de dois modelos
… and a evaluation of the obtained solutions and computational performance are done. The first model analyzed transforms the optimization problem into a zero-one integer linear programming problem, which is solved by implicit enumeration algorithm and by dual decomposition algorithm. The other …
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Scalable learning for geostatistics and speaker recognition
… the GPU parallelization to further enhance the computational performance of kernel regression is proposed. These methods are then demonstrated on problems arising in geostatistics and speaker recognition. In geostatistics, data is often collected at scattered locations and factors like …
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Métodos iterativos de análise hidráulica e dimensionamento ótimo por programação linear de redes de distribuição de água
… methods, is introduced firstly. The best computational performance method, in case, the Newton-Raphson with a nodal formulation is used into an economical optimization of water distribution networks, which is only based on heuristic percepts. The outcomes of this heuristic optimization are …
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Magnetic domain wall devices : from physics to system level application
… hold the key to solve the bottleneck in the computational performance due to data shuttling between the processing and the memory units. The application of spintronic devices for these purposes requires versatile, scalable device design that is adaptable to emerging material physics. We …
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Tensor decomposition and parallelization of Markov Decision Processes
… solutions to such problems exist, but may not be computationally tractable, as the required processing scales exponentially with the number of states. Unsurprisingly, investigating methods for efficiently determining optimal or near-optimal policies has generated substantial interest and remains …
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An Architecture Study on a Xilinx Zynq Cluster with Software Defined Radio Applications
The rapid rise in computational performance offered by computer systems has greatly increased the number of practical software defined radio applications. The addition of FPGAs to these flexible systems has resulted in platforms that can address a multitude of applications with performance levels …
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A Unifying Interface Abstraction for Accelerated Computing in Sensor Nodes
… of sensornet applications, which have high computational demands. By making use of a low power FPGA, the peak computational performance of a sensor node can be improved without significant degradation of the standby power dissipation. In this contribution, we present a methodology and tool …
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Implementing a hybrid spatial discretisation within an agent based evacuation model
… individual agents but suffers from relative poor computational performance; the coarse nodal approach allows for very rapid computation but suffers from an inability to accurately represent the physical interaction of individual agents with each other and with the structure. The fine nodal …
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Methodologies for Broadband Electromagnetic Modeling of on-Chip Semiconductor Substrate Noise
… discretization scheme, aimed at improving its computational performance for the type of geometrical characteristics encountered in substrate coupling problems on-chip. Along these lines, the implicit Newmark-beta scheme is proposed as the time-marching scheme to overcome the severe restrictions …
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Statistical and algorithmic foundation of K-means clustering
… wants to develop algorithms to improve the computational efficiency and extend the results to more general cases in the following aspects: Extend the algorithms and results to heterogeneous data as well as other types of data like distributions or measures; develop algorithms to enhance the …
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