Communicator, group and window management.
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Functions |
EXTERN void | epk_comm_init () |
| Initialize communicator management.
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EXTERN void | epk_comm_finalize () |
| Cleanup communicator management.
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EXTERN void | epk_group_to_bitvector (MPI_Group group) |
| Create a bitvector resembling the ranks in an MPI group.
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EXTERN void | epk_group_create (MPI_Group group) |
| Create an internal handle for an MPI group.
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EXTERN void | epk_group_free (MPI_Group group) |
| clear internal handle for an MPI group
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EXTERN elg_ui4 | epk_group_id (MPI_Group group) |
| get internal ID for an MPI group
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EXTERN int | epk_group_search (MPI_Group group) |
| get index of an MPI group in the internal datastructures
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Detailed Description
Function Documentation
EXTERN void epk_group_create |
( |
MPI_Group |
group | ) |
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Creates an internal datastructure to enable tracking of this MPI group handle.
- Parameters:
-
EXTERN void epk_group_to_bitvector |
( |
MPI_Group |
group | ) |
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Creates a bitvector where nth bit is set, if rank n is part of the group. The bitvector is stored in a static internal variable.
- Parameters:
-