Concepts¶

Kokkos Comm-specific concepts¶

template<typename T> concept CommunicationSpace¶

Specifies that a type T is a Kokkos Comm communication backend.

Constraints for implementing the ``CommunicationSpace`` concept

type T::communication_space¶

type T::handle_type¶

type T::request_type¶

type T::datatype_type¶

type T::reduction_op_type¶

type T::rank_type¶

Types implementing the `CommunicationSpace` concept¶

class MpiSpace¶

using communication_space = MpiSpace ¶

using handle_type = MPI_Comm¶

using request_type = MPI_Request¶

using datatype_type = MPI_Datatype¶

using reduction_op_type = MPI_Op¶

using rank_type = int¶

class Experimental::NcclSpace¶

using communication_space = NcclSpace ¶

using handle_type = ncclComm_t¶

using request_type = cudaEvent_t¶

using datatype_type = ncclDataType_t¶

using reduction_op_type = ncclRedOp_t¶

using rank_type = int¶

template<typename T> concept ReductionOperator¶: Specifies that a type T is a Kokkos Comm reduction operator.

Types implementing the `ReductionOperator` concept¶

class BAnd¶: The bitwise AND operator (&).

class BOr¶: The bitwise OR operator (|).

class BXor¶: The bitwise XOR (exclusive OR) operator (^).

class LAnd¶: The logical AND operator (&&).

class LOr¶: The logical OR operator (||).

class LXor¶: The logical XOR (exclusive OR) operator.

class Max¶: The MAXIMUM operator.

class MaxLoc¶: The MAXIMUM with location (index) operator.

class Min¶: The MINIMUM operator.

class MinLoc¶: The MINIMUM with location (index) operator.

class Sum¶: The SUM operator.

class Prod¶: The PRODUCT operator.

class Average¶: The AVERAGE operator.

Kokkos interoperability concepts¶

template<typename T> concept KokkosView¶: Specifies that a type T is a Kokkos::View object.

template<typename T> concept KokkosExecutionSpace¶: Specifies that a type T is a Kokkos::ExecutionSpace.