Large-scale electronic structure calculations of high-Z metals on the BlueGene/L platform

  • Francois Gygi
  • , Erik W. Draeger
  • , Martin Schulz
  • , Bronis R. De Supinski
  • , John A. Gunnels
  • , Vernon Austel
  • , James C. Sexton
  • , Franz Franchetti
  • , Stefan Kral
  • , Christoph W. Ueberhuber
  • , Juergen Lorenz

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

66 Scopus citations

Abstract

First-principles simulations of high-Z metallic systems using the Qbox code on the BlueGene/L supercomputer demonstrate unprecedented performance and scaling for a quantum simulation code. Specifically designed to take advantage of massively-parallel systems like BlueGene/L, Qbox demonstrates excellent parallel efficiency and peak performance. A sustained peak performance of 207.3 TFlop/s was measured on 65,536 nodes, corresponding to 56.5% of the theoretical full machine peak using all 128k CPUs.

Original languageEnglish
Title of host publicationProceedings of the 2006 ACM/IEEE Conference on Supercomputing, SC'06
DOIs
StatePublished - 2006
Externally publishedYes

Publication series

NameProceedings of the 2006 ACM/IEEE Conference on Supercomputing, SC'06

Keywords

  • Ab initio simulations
  • BlueGene/L
  • Electronic structure
  • First-principles molecular dynamics
  • Parallel computing
  • Qbox

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