Scalability of the Poisson solvers - TDDFT.org

More documents

Recommendations

Info

Conclusions Acknowledgements • PRACE Research Infrastructure • Rechenzentrum Garching (RZG) of the Max Planck Society • European Research Council Advanced Grant DYNamo (ERC-2010-AdG-Proposal No. 267374) • Spanish Grants (FIS2011-65702-C02-01 and PIB2010US-00652) • ACI-Promociona (ACI2009-1036), • General funding for research groups UPV/EHU (ALDAPA, GIU10/02) • Grupos Consolidados UPV/EHU del Gobierno Vasco (IT-319-07) • European Commission project CRONOS (280879-2 CRONOS CP-FP7). • Scholarship of the University of the Basque Country UPV/EHU. J. Alberdi-Rodriguez (UPV/EHU) Poisson solver in Octopus October 23 31 / 33
Joseba Alberdi-Rodriguez. Conclusions Bibliography Analysis of performance and scaling of the scientific code Octopus. LAP LAMBERT Academic Publishing, 2010. I. Kabadshow and H. Dachsel. The Error-Controlled Fast Multipole Method for Open and Periodic Boundary Conditions. In Fast Methods for Long-Range Interactions in Complex Systems, IAS Series, Volume 6, Forschungszentrum Jülich, Germany, 2010. CECAM. Michael Pippig. An Efficient and Flexible Parallel FFT Implementation Based on FFTW. In Bischof, Christian and Hegering, Heinz-Gerd and Nagel, Wolfgang E. and Wittum, Gabriel, editor, Competence in High Performance Computing, pages 125–134. Springer, 2010. J. Alberdi-Rodriguez (UPV/EHU) Poisson solver in Octopus October 23 32 / 33
Page 2 and 3: From where we came? Where we go? Su
Page 4 and 5: From where we came? Introduction Th
Page 6 and 7: From where we came? What was the pr
Page 8 and 9: speed-up 100 90 80 70 60 50 40 30 2
Page 10 and 11: Where we go? Possible solution Chan
Page 12 and 13: Where we go? Possible solution Chan
Page 14 and 15: Based on serial FFT Where we go? Pa
Page 16 and 17: Previous execution X MPI processes
Page 18 and 19: Where we go? Parallel FFT solver ex
Page 20 and 21: Where we go? Scheme of how the incl
Page 24 and 25: Survey Accuracy We measured the acc
Page 26 and 27: Survey Accuracy (Eenergy error) Een
Page 28 and 29: Survey Poisson solver, Blue Gene/P
Page 30 and 31: Time (s) 1000 100 Survey TD executi

Scalability of the Poisson solvers - TDDFT.org

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?