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SUMMARY:Extreme scaling in turbulence simulations: challenges and opportun
 ities for the research community - Yeung\, PK (Gatech)
DTSTART:20080926T150500Z
DTEND:20080926T155000Z
UID:TALK13669@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:Current trends in developments towards Petascale computer hard
 ware have pointed to the importance of developing algorithms in various fi
 elds of science capable of scaling up to extremely large numbers of parall
 el processing elements.  We present performance benchmarking data for a tu
 rbulence simulation code based on a domain decomposition technique that al
 lows the use of up to $N^2$ cores on $N^3$ periodic domain\, with the larg
 est test to date being at $N=8192$ on 32768 cores.  While significant tech
 nical challenges remain in the path towards true Petascale performance in 
 more complex geometries\, we will discuss a range of opportunities for sha
 ring both data and codes with the research community in order to maximize 
 the scientific benefits of continuing rapid advances in computing power.
LOCATION:Seminar Room 1\, Newton Institute
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