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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Parallel I/O to separate filesprocess 0 process 1 process 2 process 3Serial Data LibraryFile 0 File 1 File 2 File 3Lots of small files to manage
Parallel I/O to a single shared fileprocess 0 process 1 process 2 process 3Parallel Data LibrarySingle FileDisk 1Disk 2Disk 3Disk 4Disk 5
- Page 1 and 2: MPI - IO
- Page 3: Sequential I/Oprocess 0 process 1 p
- 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
Parallel I/O to a single shared fileprocess 0 process 1 process 2 process 3Parallel Data LibrarySingle FileDisk 1Disk 2Disk 3Disk 4Disk 5
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