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graphengine/third_party/fwkacllib/inc/ops/hvd_ops.h

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/**
* Copyright 2019-2020 Huawei Technologies Co., Ltd
*
* 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.
*/
/*!
* \file hvd_ops.h
* \brief Horovod collective communication library ops.
*/
#ifndef OPS_BUILT_IN_OP_PROTO_INC_HVD_OPS_H_
#define OPS_BUILT_IN_OP_PROTO_INC_HVD_OPS_H_
#include "graph/operator_reg.h"
namespace ge {
/**
* @brief Outputs a tensor gathering all input tensors.
* @par Inputs:
* x: A tensor. Must be one of the following types: uint8, int8, uint16, int16, int32,
int64, float16, bool.
* @par Attributes:
* @li rank_size: A required integer identifying the number of ranks
participating in the op.
* @par Outputs:
* y: A Tensor. Has the same type as "x".
*/
REG_OP(HorovodAllgather)
// GE not support float64 currently
.INPUT(x, TensorType({DT_UINT8, DT_INT8, DT_UINT16, DT_INT16, DT_INT32, DT_INT64, DT_FLOAT16, DT_FLOAT, DT_BOOL}))
.OUTPUT(y, TensorType({DT_UINT8, DT_INT8, DT_UINT16, DT_INT16, DT_INT32, DT_INT64, DT_FLOAT16, DT_FLOAT, DT_BOOL}))
// add rank_size attr
.REQUIRED_ATTR(rank_size, Int)
.OP_END_FACTORY_REG(HorovodAllgather)
/**
* @brief Outputs a tensor containing the reduction across all input tensors
passed to op.
* @par Inputs:
* x: A tensor. Must be one of the following types: int32, int64, float16, float32
@par Attributes:
* @li reduce_op: A required int identifying the reduction operation to
perform.The supported operation are: "sum", "max", "min", "prod".
* @par Outputs:
* y: A Tensor. Has the same type as "x".
*/
REG_OP(HorovodAllreduce)
.INPUT(x, TensorType({DT_INT32, DT_INT64, DT_FLOAT16, DT_FLOAT}))
.OUTPUT(y, TensorType({DT_INT32, DT_INT64, DT_FLOAT16, DT_FLOAT}))
.REQUIRED_ATTR(reduce_op, Int)
.OP_END_FACTORY_REG(HorovodAllreduce)
/**
* @brief Broadcasts the input tensor in root rank to all ranks.
* @par Inputs:
* x: A list of dynamic input tensor. Must be one of the following types:
int8, int32, float16, float32.
* @par Attributes:
* @li root_rank: A required integer identifying the root rank in the op
input of this rank will be broadcast to other ranks.
* @par Outputs:
* y: A list of dynamic output tensor. Has the same type and length as "x".
*/
REG_OP(HorovodBroadcast)
.INPUT(x, TensorType({DT_UINT8, DT_INT8, DT_UINT16, DT_INT16, DT_INT32, DT_INT64, DT_FLOAT16, DT_FLOAT, DT_BOOL}))
.OUTPUT(y, TensorType({DT_UINT8, DT_INT8, DT_UINT16, DT_INT16, DT_INT32, DT_INT64, DT_FLOAT16, DT_FLOAT, DT_BOOL}))
.REQUIRED_ATTR(root_rank, Int)
.OP_END_FACTORY_REG(HorovodBroadcast)
} // namespace ge
#endif // OPS_BUILT_IN_OP_PROTO_INC_HVD_OPS_H_