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docs: irecv #89

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docs: irecv #89

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docs: irecv
cwpearson Jun 14, 2024
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docs: recv -> receive
cwpearson Jun 14, 2024
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docs: recv -> receive
cwpearson Jun 14, 2024
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"<2" -> "0 or 1"
cwpearson Jun 18, 2024
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remove ambiguous "standard"
cwpearson Jun 18, 2024
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42 changes: 27 additions & 15 deletions docs/api/core.rst
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Expand Up @@ -41,43 +41,55 @@ Point-to-point

Wrapper for ``MPI_Isend``, ``MPI_Irsend`` and ``MPI_Issend``.

:param space: The execution space to operate in
:param space: A Kokkos execution space instance to order the communication in and execute any required operations.
:param sv: The data to send
:param dest: the destination rank
:param tag: the MPI tag
:param comm: the MPI communicator
:tparam SendMode: A CommMode_ to use. If unspecified, defaults to a synchronous ``MPI_Issend`` if ``KOKKOSCOMM_FORCE_SYNCHRONOUS_MODE`` is defined, otherwise defaults to a standard ``MPI_Isend``.
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:tparam SendView: A Kokkos::View to send
:tparam ExecSpace: A Kokkos execution space to operate in
:tparam SendView: Type of the provided Kokkos::View
:tparam ExecSpace: Type of the provided Kokkos execution space instance
:returns: A KokkosComm::Req representing the asynchronous communication and any lifetime-extended views.

.. cpp:function:: template <KokkosComm::CommMode SendMode, KokkosExecutionSpace ExecSpace, KokkosView SendView> \
void KokkosComm::send(const ExecSpace &space, const SendView &sv, int dest, int tag, MPI_Comm comm)

Wrapper for ``MPI_Send``, ``MPI_Rsend`` and ``MPI_Ssend``.

:param space: The execution space to operate in
:param space: A Kokkos execution space instance to order the communication in and execute any required operations.
:param sv: The data to send
:param dest: the destination rank
:param tag: the MPI tag
:param comm: the MPI communicator
:tparam SendMode: A CommMode_ to use. If unspecified, defaults to a synchronous ``MPI_Ssend`` if ``KOKKOSCOMM_FORCE_SYNCHRONOUS_MODE`` is defined, otherwise defaults to a standard ``MPI_Send``.
:tparam SendView: A Kokkos::View to send
:tparam ExecSpace: A Kokkos execution space to operate in
:tparam SendView: Type of the provided Kokkos::View
:tparam ExecSpace: Type of the provided Kokkos execution space instance

.. cpp:function:: template <KokkosExecutionSpace ExecSpace, KokkosView RecvView> \
void KokkosComm::recv(const ExecSpace &space, RecvView &rv, int src, int tag, MPI_Comm comm)

MPI_Recv wrapper
Wrapper for ``MPI_Recv``.

:param space: The execution space to operate in
:param srv: The data to recv
:param space: A Kokkos execution space instance to order the communication in and execute any required operations.
:param rv: The data to recv
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:param src: the source rank
:param tag: the MPI tag
:param comm: the MPI communicator
:tparam Recv: A Kokkos::View to send
:tparam ExecSpace: A Kokkos execution space to operate in
:tparam RecvView: Type of the provided Kokkos::View
:tparam ExecSpace: Type of the provided Kokkos execution space instance

.. cpp:function:: template <KokkosExecutionSpace ExecSpace, KokkosView RecvView> \
Req KokkosComm::irecv(const ExecSpace &space, RecvView &rv, int src, int tag, MPI_Comm comm)

Wrapper for ``MPI_Irecv``. If ``rv`` is a managed view, the view will not be destroyed until the communication is complete.

:param space: A Kokkos execution space instance to order the communication in and execute any required operations.
:param rv: The data to recv
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:param src: the source rank
:param tag: the MPI tag
:param comm: the MPI communicator
:tparam RecvView: Type of the provided Kokkos::View
:tparam ExecSpace: Type of the provided Kokkos execution space instance

Collective
----------
Expand All @@ -87,13 +99,13 @@ Collective

MPI_Reduce wrapper

:param space: The execution space to operate in
:param space: A Kokkos execution space instance to order the communication in and execute any required operations.
:param sv: The data to send
:param rv: The view to receive into
:param op: The MPI_Op to use in the reduction
:param root: The root rank for the reduction
:param comm: the MPI communicator
:tparam SendView: A Kokkos::View to send
:tparam SendView: Type of the provided Kokkos::View
:tparam RecvView: A Kokkos::View to recv
:tparam ExecSpace: A Kokkos execution space to operate in

Expand All @@ -103,11 +115,11 @@ Collective

MPI_Allgather wrapper

:param space: The execution space to operate in
:param space: A Kokkos execution space instance to order the communication in and execute any required operations.
:param sv: The data to send
:param rv: The view to receive into
:param comm: the MPI communicator
:tparam SendView: A Kokkos::View to send. Contiguous and rank less than 2.
:tparam SendView: Type of the provided Kokkos::View. Contiguous and rank less than 2.
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:tparam RecvView: A Kokkos::View to recv. Contiguous and rank 1.
:tparam ExecSpace: A Kokkos execution space to operate in

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