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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
provided by the
Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Adaptation of algorithms for underwater sonar data processing to GPU-based systemsSundin, Patricia January 2013 (has links)
In this master thesis, algorithms for acoustic simulations in underwater environments are ported for GPU processing. The GPU parallel computing platforms used are CUDA, OpenCL and SkePU. The purpose of this master thesis is to adapt and evaluate the ported algorithms' performance on two modern NVIDIA GPUs, Tesla K20 and Quadro K5000. Several optimizations, described in existing literature for GPU processing (e.g. usage of shared memory, coalesced memory accesses), are implemented and multiple versions of each algorithm are created to study their trade-offs. Evaluation on two GPUs showed that different versions of the same algorithm have different performance characteristic and execution with the best performing version can give better performance than the original algorithm executing on 8 CPUs. A performance comparison between CUDA, OpenCL and SkePU versions of one algorithm is also made.
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NEW COMPUTATIONAL METHODS FOR 3D STRUCTURE DETERMINATION OF MACROMOLECULAR COMPLEXES BY SINGLE PARTICLE CRYO-ELECTRON MICROSCOPY / Methodische Entwicklungen in der Bildverarbeitung kryoelektronenmikroskopischer Aufnahmen und deren Anwendung in der Strukturbestimmung biologischer MakromoleküleSchmeißer, Martin 17 April 2009 (has links)
No description available.
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