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DTSTAMP:20260807T211709Z
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DTSTART:20130318T070000Z
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DESCRIPTION:Massively parallel supercomputers of the “Blue Gene family”
  by IBM are nowadays among the most powerful and efficient (i.e. “envir
 onmentally sustainable”) HPC solutions. Starting from the first family 
 member\, Blue Gene/L\, the goal of reaching operating speeds in the PetaFl
 ops range\, with low power consumption\, has been achieved by assembling 
 a very large number of cores (from some thousands to hundreds of thousands
 ) with relatively low clock frequency (in the range of 850-1600 MHz)\, in
 terconnected via fast network(s) for message passing. The underlying idea 
 behind the Blue Gene design is therefore to support applications able to 
 scale up to a very big number of tasks and/or threads\, therefore allowin
 g simulation of physical phenomena with continuously increasing size\, res
 olution and/or degrees of freedom.\nThe present course intends to enable/s
 upport the scientific community to efficiently exploit the Blue Gene/Q sy
 stem. More precisely\, starting from a general overview concerning (massiv
 ely parallel) supercomputers and HPC trends\, the course aims at providin
 g a full description of the Fermi configuration at Cineca\, with special 
 emphasis on main crucial aspects for users and application developers. Fo
 r instance\, details about compilation\, debugging and optimization proced
 ures will be provided\, together with an overview of the available librari
 es\, tools and applications currently available on the system. Examples o
 f submission jobs will be discussed\, together with scheduler (LoadLeveler
 ) commands and queue definitions. A “practice session” is also planne
 d.\n Topics\n• Blue Gene architecture\n• Overview of Blue Gene/Q arch
 itecture and software (hardware components\, network and\npartitioning\, t
 ype of nodes and software stack)\n• Developing applications for BGQ (por
 ting\, debugging\, spotting possible bottlenecks)\n• Running and monitor
 ing jobs on BGQ (the runjob command\, environment variables\, job script\n
 examples\, LL commands\, Available Debugging and Profiling Tools)Target\nU
 sers and developers on the FERMI Tier-0 system.\n Prerequisites\nBasic kn
 owledge of Linux/UNIX and experience on parallel programming.Learning outc
 omes\nEnabling applications for the BlueGene/Q architecture. Ability to wo
 rk on the FERMI Tier-0 system.Price: Free of charge\n Program\nMorning:\
 n• Overview of Blue Gene architecture\, Fermi configuration at Cineca\n
 • Softare stack and programming environment\n• Porting applications to
  BG/Q\nAfternoon:\n• Introduction on debugging and profiling tools\n• 
 Job submission: examples and exercisesCOURSE AGENDACOURSE SLIDES\n\nhttps:
 //events.prace-ri.eu/event/124/
SUMMARY:Introduction to the FERMI Blue Gene/Q\, for users and developers @ 
 CINECA
URL;VALUE=URI:https://events.prace-ri.eu/event/124/
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