A Study on Mixed Precision Techniques for a GPU-based SIP Solver. Igounet, P., Dufrechou, E., Pedemonte, M., & Ezzatti, P. 2012. doi abstract bibtex This article presents the study and application of mixed precision techniques to accelerate a GPU-based implementation of the Strongly Implicit Procedure (SIP) to solve hepta-diagonal linear systems. In particular, two different options to incorporate mixed precision in the GPU implementation are discussed and one of them is implemented. The experimental evaluation of our proposal demonstrates that a runtime similar to a single precision implementation on GPU can be attained, but achieving a numerical accuracy comparable to double precision arithmetic.
@conference {igounet_study_2012,
title = {A Study on Mixed Precision Techniques for a {GPU-based} {SIP} Solver},
booktitle = {2012 Third Workshop on Applications for Multi-Core Architectures ({WAMCA)}},
year = {2012},
pages = {7{\textendash}12},
abstract = {This article presents the study and application of mixed precision techniques to accelerate a {GPU-based} implementation of the Strongly Implicit Procedure ({SIP)} to solve hepta-diagonal linear systems. In particular, two different options to incorporate mixed precision in the {GPU} implementation are discussed and one of them is implemented. The experimental evaluation of our proposal demonstrates that a runtime similar to a single precision implementation on {GPU} can be attained, but achieving a numerical accuracy comparable to double precision arithmetic.},
keywords = {Accuracy, digital arithmetic, double precision arithmetic, graphics processing units, hepta-diagonal linear systems, hepta-diagonal systems, Linear systems, mixed precision, mixed precision techniques, Multicore processing, Proposals, Runtime, strongly implicit procedure, {GPU-based} {SIP} solver, {GPU}, {SIP}},
doi = {10.1109/WAMCA.2012.17},
author = {Igounet, Pablo and Dufrechou, Ernesto and Pedemonte, Mart{\'\i}n and Ezzatti, Pablo}
}
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