ncclGetUniqueId Interface

interface

Generates an Id to be used in ncclCommInitRank. ncclGetUniqueId should be called once when creating a communicator and the Id should be distributed to all ranks in the communicator before calling ncclCommInitRank. uniqueId should point to a ncclUniqueId object allocated by the user.


Called by

interface~~ncclgetuniqueid~~CalledByGraph interface~ncclgetuniqueid ncclGetUniqueId proc~create_helper backend_helper%create_helper proc~create_helper->interface~ncclgetuniqueid proc~run_autotune_backend run_autotune_backend proc~run_autotune_backend->proc~create_helper proc~autotune_grid autotune_grid proc~autotune_grid->proc~run_autotune_backend proc~create_cuda transpose_plan_cuda%create_cuda proc~create_cuda->proc~run_autotune_backend proc~autotune_grid_decomposition autotune_grid_decomposition proc~create_cuda->proc~autotune_grid_decomposition proc~autotune_grid_decomposition->proc~autotune_grid

public function ncclGetUniqueId(uniqueId) result(ncclResult_t) bind(C, name="ncclGetUniqueId")

Arguments

Type IntentOptional Attributes Name
type(ncclUniqueId), intent(out) :: uniqueId

Unique ID

Return Value integer(kind=c_int32_t)

Completion status