Data access
Data Access With Explicit Offsets
|
Synchronism |
Noncollective coordination |
Collective coordination |
|---|---|---|
| Blocking |
MPI_File_read_at MPI_File_write_at |
MPI_File_read_at_all MPI_File_write_at_all |
| Nonblocking or split collective |
MPI_File_iread_at
MPI_File_iwrite_at |
MPI_File_read_at_all_begin MPI_File_read_at_all_end MPI_File_write_at_all_begin MPI_File_write_at_all_end |
Data Access With Individual File Pointers
|
Synchronism |
Noncollective coordination |
Collective coordination |
|---|---|---|
| Blocking |
MPI_File_read MPI_File_write |
MPI_File_read_all MPI_File_write_all |
| Nonblocking or split collective |
MPI_File_iread
MPI_File_iwrite |
MPI_File_read_all_begin MPI_File_read_all_end MPI_File_write_all_begin MPI_File_write_all_end |
Data Access With Shared File Pointers
|
Synchronism |
Noncollective coordination |
Collective coordination |
|---|---|---|
| Blocking |
MPI_File_read_shared MPI_File_write_shared |
MPI_File_read_ordered MPI_File_write_ordered MPI_File_seek_shared MPI_File_get_position_shared |
| Nonblocking or split collective |
MPI_File_iread_shared
MPI_File_iwrite_shared |
MPI_File_read_ordered_begin MPI_File_read_ordered_end MPI_File_write_ordered_begin MPI_File_write_ordered_end |
Pointer Manipulation
MPI_File_seek MPI_File_get_position MPI_File_get_byte_offset
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