5704

A framework to implement a multifrontal scheme on GPU architectures with OpenCL

Federico Edoardo Bonelli
Facolta di Ingegneria dei Sistemi, Corso di Laurea in Ingegneria Matematica, Politecnico di Milano
Politecnico di Milano, 2011

@article{bonelli2011framework,

   title={A framework to implement a multifrontal scheme on GPU architectures with OpenCL},

   author={BONELLI, F.},

   year={2011},

   publisher={Italy}

}

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In this work we analyze an open-source multifrontal solver implementation (UMFPACK) and modify it to transfer the computation load on an OpenCL device, typically a GPU. To achieve this result the dbOpenCL library has been created, which allows a neat integration of OpenCL code into existent C or C++ code. An analysis and pro ling of both the original and the modi ed UMFPACK implementation is given while solving an example problem built with the LifeV nite element library.
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