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DTSTAMP:20260708T214347Z
UID:f55389e0-dd12-415c-b485-6b8e29a556a3
DTSTART:20190311T083000Z
DTEND:20190313T160000Z
DESCRIPTION:The increase in computational power goes hand in hand with an i
 ncrease in the size of the data to be managed\, both on the input and on t
 he output sides. IO can easily become a bottleneck for large scale archite
 ctures. Understanding of parallel file system mechanisms and parallel IO c
 oncepts enables users to efficiently use existing high level libraries lik
 e HDF5.\n\nWith the increasing performance gap between compute and storage
 \, even the best use of IO bandwidth might not be enough and data reductio
 n based on in-situ or in-transit post-processing becomes a requirement for
  large-scale codes. More and more libraries able to handle this become ava
 ilable. This course proposes an introduction to FlowVR\, a technology deve
 loped at Inria dedicated to in-situ and in-transit post-processing.\n\nTo 
 handle the multiplication of libraries\, this course will also introduce t
 he Parallel Data Interface (PDI)\, a solution to couple simulation codes w
 ith libraries for I/O and post-processing based on simple annotations. PDI
  improves code quality with a) annotations independent of the library used
 \, b) a choice of IO strategy at runtime in YAML and c) negligible overhea
 d to access the full power of the underlying libraries.\n\nAgenda:\n\n\n  
   Day 1: HDF5\, pHDF5 and general parallel IO concepts (2x3h\, including h
 ands-on)\n    Day 2: Lustre file system (1h30)\n    Day 2: FlowVR (1h30 + 
 3h including hands-on)\n    Day 3: Parallel Data Interface (3h including h
 ands-on)\n    Day 3: Diving deeper into HDF5\, FlowVR or PDI\, your choice
  ! (3h)\n\n\nInstructors: M. Haefele (Maison de la Simulation\, CNRS)\, Th
 omas Leibovici (TGCC\, CEA)\, Bruno Raffin (INRIA)\, Julien Bigot (Maison 
 de la Simulation\, CEA)\n\nLearning outcomes: After this course\, particip
 ants should understand the trade-offs implied by using a parallel file-sys
 tem\, and know how to efficiently use parallel IO libraries. Participants 
 will also have a basic understanding and practise of FlowVR and PDI.\n\nPr
 erequisites: Knowledge of C or Fortran programming languages\, parallel pr
 ogramming with MPI\n\n \nhttps://events.prace-ri.eu/event/814/
SUMMARY:High Performance Parallel IO and post-processing @ MdlS
URL;VALUE=URI:https://events.prace-ri.eu/event/814/
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