Barzan Shekh
Epidemiology computation models are crucial for the assessment and control of public health crises. Agent-based simulations of pandemic influenza are useful for forecasting the infectious disease spreading in order to help public health policy makers during emergencies. In such emergencies decisions are required for public health preparedness in cycles of less than a day, and […]
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Liang-Chieh Chen
Scene understanding, such as image classification and semantic image segmentation, has been a challenging problem in computer vision. The difficulties mainly come from the feature representation, i.e., how to find a good representation for images. Instead of improving over hand-crafted features such as SIFT or HoG, we focus on learning image representations by generative and […]
Amir M. Mirzendehdel
Finite Element Analysis helps designers at the early stages of product design through simulation and behavioral prediction. This thesis is on transient finite element analysis, specifically, structural dynamics, where the behavior of a product due to time-dependent loads is desired. A critical computational challenge in structural dynamics is that it typically requires significant amounts of […]
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Oskar Sjostrom
SkePU is an auto-tunable multi-backend skeleton programming library for multi-GPU systems. SkePU is implemented as a C++ template library and has been developed at Linkoping University. In this thesis the CFD flow solver Edge has been ported to SkePU. This combines the paradigm of skeleton programming with the utilization of the unstructured grid structure used […]
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Fangbin Liu
In such an exciting age of information explosion, huge amount of visual data are produced continuously 24 hours, 7 days in both daily life and scientific research. Processing and storage of such a huge amount of data forms big challenges. Use of supercomputers tackles the need-for-speed challenge partially, but is blocked by its high cost […]
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Ian Spencer Janik
Secure hash algorithms (SHAs) are important components of cryptographic applications. SHA performance on central processing units (CPUs) is slow, therefore, acceleration must be done using hardware such as Field Programmable Gate Arrays (FPGAs). Considerable work has been done in academia using FPGAs to accelerate SHAs. These designs were implemented using Hardware Description Language (HDL) based […]
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Vincenzo Lomonaco
In recent years, Deep Learning techniques have shown to perform well on a large variety of problems both in Computer Vision and Natural Language Processing, reaching and often surpassing the state of the art on many tasks [1] [2] [3]. The rise of deep learning is also revolutionizing the entire field of Machine Learning and […]
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Josue Vladimir Quiroga Esparza
Heterogeneous systems, more specifically CPU – GPGPU platforms, have gained a lot of attention due to the excellent speedups GPUs can achieve with such little amount of energy consumption. Anyhow, not everything is such a good story, the complex programming models to get the maximum exploitation of the devices and data movement overheads are some […]
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Marco Ribero
Software Defined Radio (SDR) is a wireless communication system in which components of transmitters and receivers are mostly implemented by software (filters, mixers, modulators). Thanks to this approach, is possible to implement a single universal radio transceiver, capable of multi-mode and multi-standard wireless communications. These capabilities are very useful for researchers and radio amateur, who […]
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Javier Cabezas Rodriguez
Multi-GPU systems are widely used in High Performance Computing environments to accelerate scientific computations. This trend is expected to continue as integrated GPUs will be introduced to processors used in multi-socket servers and servers will pack a higher number of GPUs per node. GPUs are currently connected to the system through the PCI Express interconnect, […]
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Hector Dearman
Finite Element Methods (FEM) are ubiquitous in science and engineering where they are used in fields as diverse as structural analysis, ocean modeling and bioengineering. FEM allow us to find approximate solutions to a system of partial differential equations over an unstructured mesh. The first phase of solving a FEM problem, local assembly, involves computing […]
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Huan-Ting Meng
In this dissertation, the hardware and API architectures of GPUs are investigated, and the corresponding acceleration techniques are applied on the traditional frequency domain finite element method (FEM), the element-level time-domain methods, and the nonlinear discontinuous Galerkin method. First, the assembly and the solution phases of the FEM are parallelized and mapped onto the granular […]
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