Scalability of the Poisson solvers - TDDFT.org

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Where we go? Possible solution Change to a new scalable Poisson solver J. Alberdi-Rodriguez (UPV/EHU) Poisson solver in Octopus October 23 10 / 33
Where we go? Possible solution Change to a new scalable Poisson solver • Fast multipole method J. Alberdi-Rodriguez (UPV/EHU) Poisson solver in Octopus October 23 10 / 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 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
Page 34 and 35: Conclusions Acknowledgements • PR

Scalability of the Poisson solvers - TDDFT.org

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