2013 25th International Symposium on Computer Architecture and High Performance Computing 2013
DOI: 10.1109/sbac-pad.2013.14
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Extending Summation Precision for Network Reduction Operations

Abstract: Abstract-Double precision summation is at the core of numerous important algorithms such as Newton-Krylov methods and other operations involving inner products, but the effectiveness of summation is limited by the accumulation of rounding errors, which are an increasing problem with the scaling of modern HPC systems and data sets. To reduce the impact of precision loss, researchers have proposed increasedand arbitrary-precision libraries that provide reproducible error or even bounded error accumulation for la… Show more

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