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mpi_ops.h
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mpi_ops.h
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// Copyright 2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// =============================================================================
#ifndef HOROVOD_MXNET_MPI_OPS_H
#define HOROVOD_MXNET_MPI_OPS_H
#include <mxnet/base.h>
#include <mxnet/c_api.h>
#include <mxnet/c_api_error.h>
#include <mxnet/engine.h>
#include <mxnet/ndarray.h>
namespace horovod {
namespace mxnet {
using namespace horovod::common;
typedef ::mxnet::Engine Engine;
typedef ::mxnet::NDArray NDArray;
typedef ::mxnet::Engine::CallbackOnComplete Callback;
extern "C" int horovod_mxnet_allreduce_async(NDArray* tensor, NDArray* output,
char* name, bool average);
extern "C" int horovod_mxnet_allgather_async(NDArray* tensor, NDArray* output,
char* name);
extern "C" int horovod_mxnet_broadcast_async(NDArray* tensor, NDArray* output,
int root_rank, char* name);
} // namespace mxnet
} // namespace horovod
#endif // HOROVOD_MXNET_MPI_OPS_H