MPI - IO - Prace Training Portal

11.07.2015 • Views

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MPI - IO - Prace Training Portal

MPI - IO - Prace Training Portal

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Sequential I/Oprocess 0 process 1 process 2 process 3Serial Data LibrarySingle FileBecomes a bottleneck!

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File AccessApproaches

Sequential I/Oprocess 0 process 1 process 2 process 3Serial Data LibrarySingle FileBecomes a bottleneck!

Page 1: MPI - IO
Page 5 and 6: Parallel I/O to a single shared fil
Page 7 and 8: Simple Execution OrderMPI_Info_crea
Page 9 and 10: PositioningCoordinationSynchronizat
Page 11 and 12: Contiguous - Non Contiguous I/OProc
Page 13 and 14: Collective - Independent I/0p0p1 p2
Page 15 and 16: Non-Blocking MPI-IO functionsWRITER
Page 17 and 18: Two phase collective buffering• F