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Diffstat (limited to 'inference-engine/thirdparty/clDNN/common/boost/1.64.0/include/boost-1_64/boost/mpi/collectives/all_reduce.hpp')
-rw-r--r-- | inference-engine/thirdparty/clDNN/common/boost/1.64.0/include/boost-1_64/boost/mpi/collectives/all_reduce.hpp | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/inference-engine/thirdparty/clDNN/common/boost/1.64.0/include/boost-1_64/boost/mpi/collectives/all_reduce.hpp b/inference-engine/thirdparty/clDNN/common/boost/1.64.0/include/boost-1_64/boost/mpi/collectives/all_reduce.hpp deleted file mode 100644 index 06e116a65..000000000 --- a/inference-engine/thirdparty/clDNN/common/boost/1.64.0/include/boost-1_64/boost/mpi/collectives/all_reduce.hpp +++ /dev/null @@ -1,129 +0,0 @@ -// Copyright (C) 2005-2006 Douglas Gregor <doug.gregor -at- gmail.com> -// Copyright (C) 2004 The Trustees of Indiana University - -// Use, modification and distribution is subject to the Boost Software -// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at -// http://www.boost.org/LICENSE_1_0.txt) - -// Authors: Douglas Gregor -// Andrew Lumsdaine - -// Message Passing Interface 1.1 -- Section 4.9.1. Reduce -#ifndef BOOST_MPI_ALL_REDUCE_HPP -#define BOOST_MPI_ALL_REDUCE_HPP - -#include <vector> - -#include <boost/mpi/inplace.hpp> - -// All-reduce falls back to reduce() + broadcast() in some cases. -#include <boost/mpi/collectives/broadcast.hpp> -#include <boost/mpi/collectives/reduce.hpp> - -namespace boost { namespace mpi { -namespace detail { - /********************************************************************** - * Simple reduction with MPI_Allreduce * - **********************************************************************/ - // We are reducing for a type that has an associated MPI - // datatype and operation, so we'll use MPI_Allreduce directly. - template<typename T, typename Op> - void - all_reduce_impl(const communicator& comm, const T* in_values, int n, - T* out_values, Op /*op*/, mpl::true_ /*is_mpi_op*/, - mpl::true_ /*is_mpi_datatype*/) - { - BOOST_MPI_CHECK_RESULT(MPI_Allreduce, - (const_cast<T*>(in_values), out_values, n, - boost::mpi::get_mpi_datatype<T>(*in_values), - (is_mpi_op<Op, T>::op()), comm)); - } - - /********************************************************************** - * User-defined reduction with MPI_Allreduce * - **********************************************************************/ - // We are reducing at the root for a type that has an associated MPI - // datatype but with a custom operation. We'll use MPI_Reduce - // directly, but we'll need to create an MPI_Op manually. - template<typename T, typename Op> - void - all_reduce_impl(const communicator& comm, const T* in_values, int n, - T* out_values, Op op, mpl::false_ /*is_mpi_op*/, - mpl::true_ /*is_mpi_datatype*/) - { - user_op<Op, T> mpi_op(op); - BOOST_MPI_CHECK_RESULT(MPI_Allreduce, - (const_cast<T*>(in_values), out_values, n, - boost::mpi::get_mpi_datatype<T>(*in_values), - mpi_op.get_mpi_op(), comm)); - } - - /********************************************************************** - * User-defined, tree-based reduction for non-MPI data types * - **********************************************************************/ - // We are reducing at the root for a type that has no associated MPI - // datatype and operation, so we'll use a simple tree-based - // algorithm. - template<typename T, typename Op> - void - all_reduce_impl(const communicator& comm, const T* in_values, int n, - T* out_values, Op op, mpl::false_ /*is_mpi_op*/, - mpl::false_ /*is_mpi_datatype*/) - { - if (in_values == MPI_IN_PLACE) { - // if in_values matches the in place tag, then the output - // buffer actually contains the input data. - // But we can just go back to the out of place - // implementation in this case. - // it's not clear how/if we can avoid the copy. - std::vector<T> tmp_in( out_values, out_values + n); - reduce(comm, &(tmp_in[0]), n, out_values, op, 0); - } else { - reduce(comm, in_values, n, out_values, op, 0); - } - broadcast(comm, out_values, n, 0); - } -} // end namespace detail - -template<typename T, typename Op> -inline void -all_reduce(const communicator& comm, const T* in_values, int n, T* out_values, - Op op) -{ - detail::all_reduce_impl(comm, in_values, n, out_values, op, - is_mpi_op<Op, T>(), is_mpi_datatype<T>()); -} - -template<typename T, typename Op> -inline void -all_reduce(const communicator& comm, inplace_t<T*> inout_values, int n, Op op) -{ - all_reduce(comm, static_cast<const T*>(MPI_IN_PLACE), n, inout_values.buffer, op); -} - -template<typename T, typename Op> -inline void -all_reduce(const communicator& comm, inplace_t<T> inout_values, Op op) -{ - all_reduce(comm, static_cast<const T*>(MPI_IN_PLACE), 1, &(inout_values.buffer), op); -} - -template<typename T, typename Op> -inline void -all_reduce(const communicator& comm, const T& in_value, T& out_value, Op op) -{ - detail::all_reduce_impl(comm, &in_value, 1, &out_value, op, - is_mpi_op<Op, T>(), is_mpi_datatype<T>()); -} - -template<typename T, typename Op> -T all_reduce(const communicator& comm, const T& in_value, Op op) -{ - T result; - ::boost::mpi::all_reduce(comm, in_value, result, op); - return result; -} - -} } // end namespace boost::mpi - -#endif // BOOST_MPI_ALL_REDUCE_HPP |