Primitives to build communicators for collectives. More...
| typedef struct nm_comm_s * | nm_comm_t |
| NewMadeleine communicator opaque type. More... | |
| nm_comm_t | nm_comm_world (const char *label) |
| create a new global communicator with given label More... | |
| nm_comm_t | nm_comm_self (const char *label) |
| create a new communicator containing only self, with given label More... | |
| nm_comm_t | nm_comm_create (nm_comm_t comm, nm_group_t group) |
| create a sub-communicator containing nodes in group- collective on parent communicator More... | |
| nm_comm_t | nm_comm_create_group (nm_session_t p_session, nm_group_t p_newcomm_group, nm_group_t p_bcast_group) |
| create a new communicator, new communicator group is p_newcomm_group, collectively called from group p_bcast_group using session p_session More... | |
| void | nm_comm_destroy (nm_comm_t p_comm) |
| destroy a communicator- no synchronization is done More... | |
| nm_comm_t | nm_comm_dup (nm_comm_t comm) |
| get a duplicate of the given communicator- collective on parent communicator More... | |
| static int | nm_comm_size (nm_comm_t comm) |
| get the number of nodes in the communicator More... | |
| static int | nm_comm_rank (nm_comm_t comm) |
| get the rank of self in the given communicator More... | |
| static nm_gate_t | nm_comm_get_gate (nm_comm_t p_comm, int rank) |
| get the gate for the given rank in communicator numbering More... | |
| static nm_gate_t | nm_comm_gate_self (nm_comm_t p_comm) |
| get the gate for self in the given communicator More... | |
| static int | nm_comm_get_dest (nm_comm_t p_comm, nm_gate_t p_gate) |
| get the rank for the given gate, in communicator numbering More... | |
| static nm_session_t | nm_comm_get_session (nm_comm_t p_comm) |
| get the session attached to the communicator More... | |
| static nm_group_t | nm_comm_group (nm_comm_t comm) |
| get the group of nodes in the communicator- real group, not a duplicate More... | |
| nm_comm_t | nm_comm_get_by_session (nm_session_t p_session) |
| get the communicator from the session; may return NULL if no communicator is attached to this session More... | |
Primitives to build communicators for collectives.
| nm_comm_t nm_comm_create | ( | nm_comm_t | comm, |
| nm_group_t | group | ||
| ) |
create a sub-communicator containing nodes in group- collective on parent communicator
| nm_comm_t nm_comm_create_group | ( | nm_session_t | p_session, |
| nm_group_t | p_newcomm_group, | ||
| nm_group_t | p_bcast_group | ||
| ) |
create a new communicator, new communicator group is p_newcomm_group, collectively called from group p_bcast_group using session p_session
| void nm_comm_destroy | ( | nm_comm_t | p_comm | ) |
destroy a communicator- no synchronization is done
Referenced by nm_examples_exit(), and nm_sync_clocks_shutdown().
get a duplicate of the given communicator- collective on parent communicator
Referenced by nm_sync_clocks_init().
get the gate for self in the given communicator
| nm_comm_t nm_comm_get_by_session | ( | nm_session_t | p_session | ) |
get the communicator from the session; may return NULL if no communicator is attached to this session
get the rank for the given gate, in communicator numbering
get the gate for the given rank in communicator numbering
|
static |
get the session attached to the communicator
|
static |
get the group of nodes in the communicator- real group, not a duplicate
|
static |
get the rank of self in the given communicator
| nm_comm_t nm_comm_self | ( | const char * | label | ) |
create a new communicator containing only self, with given label
|
static |
get the number of nodes in the communicator
| nm_comm_t nm_comm_world | ( | const char * | label | ) |
create a new global communicator with given label
Referenced by nm_examples_init_topo().
