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Conference Papers Year : 2016

Efficiency of Reproducible Level 1 BLAS

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Abstract

Numerical reproducibility failures appear in massively par-allel floating-point computations. One way to guarantee the numerical reproducibility is to extend the IEEE-754 correct rounding to larger com-puting sequences, as for instance for the BLAS libraries. Is the overcost for numerical reproducibility acceptable in practice? We present solu-tions and experiments for the level 1 BLAS and we conclude about the efficiency of these reproducible routines.
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Dates and versions

lirmm-01101723 , version 1 (09-01-2015)

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Chemseddine Chohra, Philippe Langlois, David Parello. Efficiency of Reproducible Level 1 BLAS. SCAN: Scientific Computing, Computer Arithmetic, and Validated Numerics, Sep 2014, Würzburg, Germany. pp.99-108, ⟨10.1007/978-3-319-31769-4_8⟩. ⟨lirmm-01101723⟩
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