A datatype which stores a process grid and all its communicators.
Type | Visibility | Attributes | Name | Initial | |||
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integer, | public | :: | total_processors |
total processors in the grid. |
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integer, | public | :: | num_process_rows |
number of rows in the grid. |
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integer, | public | :: | num_process_columns |
number of columns in the grid. |
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integer, | public | :: | num_process_slices |
number of 2D slices in the grid. |
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integer, | public | :: | slice_size |
the size of a 2D slice. |
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integer, | public | :: | my_slice |
which slice is the current process in. |
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integer, | public | :: | my_row |
which row is the current process in. |
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integer, | public | :: | my_column |
which column is the current process in. |
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integer, | public | :: | global_rank |
current process rank amongst processes. |
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integer, | public | :: | within_slice_rank |
rank for within slice communication. |
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integer, | public | :: | between_slice_rank |
rank for between slice communication. |
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integer, | public | :: | column_rank |
rank for within column communication. |
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integer, | public | :: | row_rank |
rank for within row communication. |
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integer, | public | :: | global_comm |
communicator with every other process. |
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integer, | public | :: | row_comm |
communicator within a row. |
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integer, | public | :: | column_comm |
communicator within a column. |
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integer, | public | :: | within_slice_comm |
communicator within a slice. |
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integer, | public | :: | between_slice_comm |
communicator between slices. |
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integer, | public | :: | grid_error |
stores errors from MPI calls. |
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integer, | public | :: | RootID | = | 0 |
Which rank is root? |
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integer, | public | :: | block_multiplier |
Block scaling factor. |
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integer, | public | :: | number_of_blocks_columns |
number of column blocks. |
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integer, | public | :: | number_of_blocks_rows |
number of row blocks. |
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integer, | public, | DIMENSION(:), ALLOCATABLE | :: | blocked_row_comm |
blocked communicator within a row. |
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integer, | public, | DIMENSION(:), ALLOCATABLE | :: | blocked_column_comm |
blocked communicator within a column. |
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integer, | public, | DIMENSION(:,:), ALLOCATABLE | :: | blocked_within_slice_comm |
blocked communicator within a slice. |
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integer, | public, | DIMENSION(:,:), ALLOCATABLE | :: | blocked_between_slice_comm |
blocked communicator between slices. |
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integer, | public | :: | omp_max_threads |
The maximum number of openmp threads. |