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SUMMARY:Codesign in action: the hardware and software architecture of Blue
  Gene/Q and its impact on scientific applications - Dr Jeff Hammond (Argon
 ne National Laboratory)
DTSTART:20120903T100000Z
DTEND:20120903T110000Z
UID:TALK39324@talks.cam.ac.uk
CONTACT:Prof. Gabor Csanyi
DESCRIPTION:Blue Gene/Q is the third generation of a family of massively p
 arallel\nsupercomputers designed by IBM in collaboration with the US Depar
 tment of Energy.  It reflects a substantial effort in codesign: the hardwa
 re is designed to meet specific application needs and\, in turn\, applicat
 ions are tuned to take advantage of its unique features.  \n\nThis talk wi
 ll describe the Blue Gene/Q hardware and software architecture\, identifyi
 ng the critical features for scalability and overal\nperformance within a 
 non-disruptive software environment.  \nTechniques for optimizing librarie
 s and scientific applications for this and other next-generation architect
 ures will be given.  Finally\, a description of porting efforts and perfor
 mance results for chemistry and material science applications will be prov
 ided\, including LAMMPS\, NAMD\, NWChem\, GPAW\, QMCPACK and MADNESS.
LOCATION:TCM Seminar Room
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