Merge pull request #57 from LLNL/remove-rsv

Remove vector reduce-scatter

src/Al.hpp

@@ -291,41 +291,6 @@ void Reduce_scatter(
   Backend::template Reduce_scatter<T>(recvbuf, count, op, comm, algo);
 }
 
-/**
- * Perform a reduce-scatter.
- * @param sendbuf Input data.
- * @param recvbuf Output data; should already be allocated.
- * @param counts Length of recvbuf.
- * @param op The reduction operation to perform.
- * @param comm The communicator to reduce/scatter over.
- * @param algo Request a particular reduce-scatter algorithm.
- */
-template <typename Backend, typename T>
-void Reduce_scatter(
-  const T* sendbuf, T* recvbuf, size_t *counts,
-  ReductionOperator op, typename Backend::comm_type& comm,
-  typename Backend::reduce_scatter_algo_type algo =
-  Backend::reduce_scatter_algo_type::automatic) {
-  Backend::template Reduce_scatter<T>(sendbuf, recvbuf, counts, op, comm, algo);
-}
-
-/**
- * Perform an in-place reduce-scatter.
- * @param recvbuf Input and output data; input will be overwritten.
- * @param counts Length of data to be received.
- * @param op The reduction operation to perform.
- * @param comm The communicator to reduce/scatter over.
- * @param algo Request a particular reduce-scatter algorithm.
- */
-template <typename Backend, typename T>
-void Reduce_scatter(
-  T* recvbuf, size_t *counts,
-  ReductionOperator op, typename Backend::comm_type& comm,
-  typename Backend::reduce_scatter_algo_type algo =
-  Backend::reduce_scatter_algo_type::automatic) {
-  Backend::template Reduce_scatter<T>(recvbuf, counts, op, comm, algo);
-}
-
 /**
  * @brief Non-blocking version of Reduce_scatter.
  *
@@ -368,37 +333,6 @@ void NonblockingReduce_scatter(
   Backend::template NonblockingReduce_scatter<T>(recvbuf, count, op, comm, req, algo);
 }
 
-/**
- * Non-blocking version of Reduce_scatter.
- * This returns immediately (i.e. does only local operations) and starts the
- * reduce-scatter asynchronously.
- * It is not safe to modify sendbuf or recvbuf until the request indicates that
- * the operation has completed.
- */
-template <typename Backend, typename T>
-void NonblockingReduce_scatter(
-  const T* sendbuf, T* recvbuf, size_t *counts,
-  ReductionOperator op,
-  typename Backend::comm_type& comm,
-  typename Backend::req_type& req,
-  typename Backend::reduce_scatter_algo_type algo =
-  Backend::reduce_scatter_algo_type::automatic) {
-  Backend::template NonblockingReduce_scatter<T>(
-    sendbuf, recvbuf, counts, op, comm, req, algo);
-}
-
-/** In-place version of NonblockingReduce_scatter; same semantics apply. */
-template <typename Backend, typename T>
-void NonblockingReduce_scatter(
-  T* recvbuf, size_t *counts,
-  ReductionOperator op,
-  typename Backend::comm_type& comm,
-  typename Backend::req_type& req,
-  typename Backend::reduce_scatter_algo_type algo =
-  Backend::reduce_scatter_algo_type::automatic) {
-  Backend::template NonblockingReduce_scatter<T>(recvbuf, counts, op, comm, req, algo);
-}
-
 /**
  * Perform an allgather.
  * @param sendbuf Input data.