|
/*
|
||
|
|
* 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*!
|
||
|
|
* \file executor.hpp
|
||
|
|
* \brief implementation of the executor
|
||
|
|
* \author Zhang Chen, Chuntao Hong
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef MXNET_CPP_EXECUTOR_HPP_
|
||
|
|
#define MXNET_CPP_EXECUTOR_HPP_
|
||
|
|
|
||
|
|
#include <vector>
|
||
|
|
#include <map>
|
||
|
|
#include <string>
|
||
|
|
#include "mxnet-cpp/executor.h"
|
||
|
|
#include "mxnet-cpp/optimizer.h"
|
||
|
|
|
||
|
|
|
||
|
|
namespace mxnet {
|
||
|
|
namespace cpp {
|
||
|
|
inline Executor::Executor(const Symbol &symbol, Context context,
|
||
|
|
const std::vector<NDArray> &arg_arrays,
|
||
|
|
const std::vector<NDArray> &grad_arrays,
|
||
|
|
const std::vector<OpReqType> &grad_reqs,
|
||
|
|
const std::vector<NDArray> &aux_arrays,
|
||
|
|
const std::map<std::string, Context> &group_to_ctx,
|
||
|
|
Executor *shared_exec) {
|
||
|
|
this->arg_arrays = arg_arrays;
|
||
|
|
this->grad_arrays = grad_arrays;
|
||
|
|
this->aux_arrays = aux_arrays;
|
||
|
|
this->symbol_ = symbol;
|
||
|
|
this->device_type = context.GetDeviceType();
|
||
|
|
this->device_id = context.GetDeviceId();
|
||
|
|
|
||
|
|
std::vector<NDArrayHandle> arg_handles;
|
||
|
|
std::vector<NDArrayHandle> grad_handles;
|
||
|
|
|
||
|
|
CHECK_EQ(arg_arrays.size(), grad_arrays.size())
|
||
|
|
<< "Number of input arg_arrays is different from the number of input grad_arrays";
|
||
|
|
for (int i = 0; i < arg_arrays.size(); i++) {
|
||
|
|
if (grad_arrays[i].GetShape().size() != 0) {
|
||
|
|
grad_handles.push_back(grad_arrays[i].GetHandle());
|
||
|
|
arg_handles.push_back(arg_arrays[i].GetHandle());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
this->require_grad = false;
|
||
|
|
std::vector<mx_uint> grad_reqs_uint;
|
||
|
|
for (auto s : grad_reqs) {
|
||
|
|
if (s != OpReqType::kNullOp) {
|
||
|
|
this->require_grad = true;
|
||
|
|
}
|
||
|
|
grad_reqs_uint.push_back(s);
|
||
|
|
}
|
||
|
|
CHECK_EQ(MXAutogradMarkVariables(arg_handles.size(), arg_handles.data(),
|
||
|
|
grad_reqs_uint.data(), grad_handles.data()), 0);
|
||
|
|
|
||
|
|
std::map<std::string, NDArray> arg_map = arg_dict();
|
||
|
|
std::map<std::string, NDArray> aux_map = aux_dict();
|
||
|
|
const auto input_name_list = symbol_.ListInputs();
|
||
|
|
std::vector<NDArray> combined_arrays;
|
||
|
|
for (size_t i = 0; i < input_name_list.size(); ++i) {
|
||
|
|
const auto &input_name = input_name_list[i];
|
||
|
|
auto iter_arg = arg_map.find(input_name);
|
||
|
|
if (iter_arg != arg_map.end()) {
|
||
|
|
combined_arrays.push_back(iter_arg->second);
|
||
|
|
} else {
|
||
|
|
auto iter_aux = aux_map.find(input_name);
|
||
|
|
CHECK(iter_aux != aux_map.end())
|
||
|
|
<< "Can not find name in args array and aux array";
|
||
|
|
combined_arrays.push_back(iter_aux->second);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
this->combined_arrays = combined_arrays;
|
||
|
|
|
||
|
|
CHECK_EQ(MXCreateCachedOp(symbol.GetHandle(), 0, nullptr, nullptr, &handle_, false), 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
} // namespace cpp
|
||
|
|
} // namespace mxnet
|
||
|
|
|
||
|
|
#endif // MXNET_CPP_EXECUTOR_HPP_
|