op_common.h 4.8 KB
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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */

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/*!
 *  Copyright (c) 2018 by Contributors
 * \file op_common.h
 * \brief A set of utilities and common functionality
 * for relay ops.
 */
#ifndef TVM_RELAY_OP_OP_COMMON_H_
#define TVM_RELAY_OP_OP_COMMON_H_

#include <tvm/relay/expr.h>
#include <tvm/relay/op.h>
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#include <tvm/relay/op_attr_types.h>
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#include <vector>
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#include "type_relations.h"
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#include "../pass/alter_op_layout.h"
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namespace tvm {
namespace relay {

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/*! Quick helper macro
 * - Expose a positional make function to construct the node.
 * - Register op to the registry.
 *
 * We make the decision to always only expose positional argument.
 * We will do rewrapping in the frontend to support language
 * sugars such as keyword arguments and default value.
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 * \param OpName the name of registry.
 */
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#define RELAY_REGISTER_UNARY_OP(OpName)                     \
  TVM_REGISTER_API("relay.op._make." OpName)                \
    .set_body_typed<Expr(Expr)>([](Expr data) {             \
        static const Op& op = Op::Get(OpName);              \
        return CallNode::make(op, {data}, Attrs(), {});     \
      });                                                   \
  RELAY_REGISTER_OP(OpName)                                 \
    .set_num_inputs(1)                                      \
    .add_argument("data", "Tensor", "The input tensor.")    \
    .add_type_rel("Identity", IdentityRel)                  \
    .set_attr<TOpPattern>("TOpPattern", kElemWise)          \
    .set_attr<TOpIsStateful>("TOpIsStateful", false)        \
    .set_attr<FInferCorrectLayout>("FInferCorrectLayout",   \
                                   ElemwiseArbitraryLayout) \

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/*! Quick helper macro
 * - Expose a positional make function to construct the node.
 * - Register op to the registry.
 *
 * We make the decision to always only expose positional argument.
 * We will do rewrapping in the frontend to support language
 * sugars such as keyword arguments and default value.
 *
 * \param OpName the name of registry.
 */
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#define RELAY_REGISTER_BINARY_OP(OpName)                          \
  TVM_REGISTER_API("relay.op._make." OpName)                      \
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    .set_body_typed<Expr(Expr, Expr)>([](Expr lhs, Expr rhs) {    \
        static const Op& op = Op::Get(OpName);                    \
        return CallNode::make(op, {lhs, rhs}, Attrs(), {});       \
      });                                                         \
  RELAY_REGISTER_OP(OpName)                                       \
    .set_num_inputs(2)                                            \
    .add_argument("lhs", "Tensor", "The left hand side tensor.")  \
    .add_argument("rhs", "Tensor", "The right hand side tensor.") \
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    .add_type_rel("Broadcast", BroadcastRel)                      \
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    .set_attr<TOpPattern>("TOpPattern", kBroadcast)               \
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    .set_attr<TOpIsStateful>("TOpIsStateful", false)              \
    .set_attr<FInferCorrectLayout>("FInferCorrectLayout",         \
                                   BinaryBroadcastLayout)

// Comparisons
#define RELAY_REGISTER_CMP_OP(OpName)                             \
  TVM_REGISTER_API("relay.op._make." OpName)                      \
  .set_body_typed<Expr(Expr, Expr)>([](Expr lhs, Expr rhs) {      \
    static const Op& op = Op::Get(OpName);                        \
    return CallNode::make(op, {lhs, rhs}, Attrs(), {});           \
  });                                                             \
  RELAY_REGISTER_OP(OpName)                                       \
    .set_num_inputs(2)                                            \
    .add_argument("lhs", "Tensor", "The left hand side tensor.")  \
    .add_argument("rhs", "Tensor", "The right hand side tensor.") \
    .add_type_rel("BroadcastComp", BroadcastCompRel)              \
    .set_attr<TOpPattern>("TOpPattern", kBroadcast)               \
    .set_attr<TOpIsStateful>("TOpIsStateful", false)              \
    .set_attr<FInferCorrectLayout>("FInferCorrectLayout",         \
                                   BinaryBroadcastLayout)
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}  // namespace relay
}  // namespace tvm

#endif  // TVM_RELAY_OP_OP_COMMON_H_