Accurate inner product for vectors of middle to large dimension

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Autore principale: Ohlhus, Kai Torben
Natura: Recurso digital
Lingua:inglese
Pubblicazione: Zenodo 2013
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author Ohlhus, Kai Torben
author_facet Ohlhus, Kai Torben
contents <p>The inner product is one of the most elementary algebraic operations and the basis for a large number of numerical applications and computations that are performed using binary floating-point arithmetic on computers. Depending on the condition of the input data, straight forward implementations of the inner product are very inaccurate and of limited use for verified computations. To overcome this issue, many algorithms have been developed in the past with different strengths and weaknesses. This Master’s Thesis introduces new algorithms for summation and inner product computation, that make use of the Fused Multiply-Add (FMA) instruction, which will be part of upcoming state of the art computer instruction sets. The proposed algorithms scale well for vector lengths of about 10<sup>3</sup> elements and more.</p>
format Recurso digital
id zenodo_https___doi_org_10_5281_zenodo_3765996
institution Zenodo
language eng
publishDate 2013
publisher Zenodo
record_format zenodo
spellingShingle Accurate inner product for vectors of middle to large dimension
Ohlhus, Kai Torben
accurate summation
accurate inner product
Fused Multiply-Add (FMA)
<p>The inner product is one of the most elementary algebraic operations and the basis for a large number of numerical applications and computations that are performed using binary floating-point arithmetic on computers. Depending on the condition of the input data, straight forward implementations of the inner product are very inaccurate and of limited use for verified computations. To overcome this issue, many algorithms have been developed in the past with different strengths and weaknesses. This Master’s Thesis introduces new algorithms for summation and inner product computation, that make use of the Fused Multiply-Add (FMA) instruction, which will be part of upcoming state of the art computer instruction sets. The proposed algorithms scale well for vector lengths of about 10<sup>3</sup> elements and more.</p>
title Accurate inner product for vectors of middle to large dimension
topic accurate summation
accurate inner product
Fused Multiply-Add (FMA)
url https://doi.org/10.5281/zenodo.3765996