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Accelerated Pressure Projection using OpenCL on GPUs
KTH, School of Engineering Sciences (SCI), Mechanics.
2012 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Accelererad tryck projektion med OpenCL på GPU (Swedish)
Abstract [en]

A GPU version of the pressure projection solver using OpenCL is implemented. Then it has been compared with CPU version which is accelerated with OpenMP. The GPU version shows a sensible reduction in time despite using a simple algorithm in the kernel. The nal code is plugged into a commercial uid simulator software. Dierent kinds of algorithms and data transfer methods have been investigated. Overlapping the computation and communication showed a more than 3 times speed-up versus the serial communication-computation pattern. Finally we exploit methods for partitioning data and writing kernels to use many of the bene ts of computation on a heterogeneous system. We ran all the simulations on a machine with an Intel core i7-2600 cpu and 16 GB main memory coupled with a GeForce GTX 560 Ti graphic processing unit on a windows OS.

Place, publisher, year, edition, pages
2012.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-102771OAI: oai:DiVA.org:kth-102771DiVA: diva2:556492
Uppsok
Technology
Supervisors
Available from: 2012-09-25 Created: 2012-09-25 Last updated: 2012-09-25Bibliographically approved

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