MPI - IO - Prace Training Portal
MPI - IO - Prace Training Portal MPI - IO - Prace Training Portal
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11.07.2015
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File view example (non-contiguous)etype MPI_INTfiletype two MPI_INTs followedby a gap of one MPI_INTFILEfiletype filetype filetype
Collective - Independent I/0p0p1 p2 p3p0 p1 p2 p3Disk 1 Disk 2 Disk 3 Disk 4 Disk 1 Disk 2 Disk 3 Disk 4Collective I/OIndependent I/O
- Page 1 and 2: MPI - IO
- Page 3 and 4: Sequential I/Oprocess 0 process 1 p
- 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: Contiguous - Non Contiguous I/OProc
- Page 15 and 16: Non-Blocking MPI-IO functionsWRITER
- Page 17 and 18: Two phase collective buffering• F
Collective - Independent I/0p0p1 p2 p3p0 p1 p2 p3Disk 1 Disk 2 Disk 3 Disk 4 Disk 1 Disk 2 Disk 3 Disk 4Collective I/OIndependent I/O
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