18-24 June 2017
Palacio de Congresos
Europe/Madrid timezone
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Contribution Poster

Palacio de Congresos -

Multi-grid Lanczos

Speakers

  • Christoph LEHNER

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Co-authors

Content

I present a multi-grid Lanczos algorithm that reduces the memory requirements both on disk and in working memory by one order of magnitude for RBC/UKQCD's 48I and 64I ensembles at the physical pion mass. The precision of the resulting eigenvectors is on par with exact deflation.

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Software Development