You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
84 lines
3.2 KiB
84 lines
3.2 KiB
/* Copyright (c) 2016 PaddlePaddle Authors. 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. */
|
|
|
|
#include "paddle/fluid/framework/variable_helper.h"
|
|
|
|
#include <vector>
|
|
|
|
#include "paddle/fluid/framework/feed_fetch_type.h"
|
|
#include "paddle/fluid/framework/lod_rank_table.h"
|
|
#include "paddle/fluid/framework/lod_tensor.h"
|
|
#include "paddle/fluid/framework/lod_tensor_array.h"
|
|
#include "paddle/fluid/framework/reader.h"
|
|
#include "paddle/fluid/framework/scope.h"
|
|
#include "paddle/fluid/framework/selected_rows.h"
|
|
#include "paddle/fluid/platform/place.h"
|
|
|
|
namespace paddle {
|
|
namespace framework {
|
|
|
|
void InitializeVariable(Variable *var, proto::VarType::Type var_type) {
|
|
if (var_type == proto::VarType::LOD_TENSOR) {
|
|
var->GetMutable<LoDTensor>();
|
|
} else if (var_type == proto::VarType::SELECTED_ROWS) {
|
|
var->GetMutable<SelectedRows>();
|
|
} else if (var_type == proto::VarType::FEED_MINIBATCH) {
|
|
var->GetMutable<FeedList>();
|
|
} else if (var_type == proto::VarType::FETCH_LIST) {
|
|
var->GetMutable<FetchList>();
|
|
} else if (var_type == proto::VarType::STEP_SCOPES) {
|
|
var->GetMutable<std::vector<framework::Scope *>>();
|
|
} else if (var_type == proto::VarType::LOD_RANK_TABLE) {
|
|
var->GetMutable<LoDRankTable>();
|
|
} else if (var_type == proto::VarType::LOD_TENSOR_ARRAY) {
|
|
var->GetMutable<LoDTensorArray>();
|
|
} else if (var_type == proto::VarType::PLACE_LIST) {
|
|
var->GetMutable<platform::PlaceList>();
|
|
} else if (var_type == proto::VarType::READER) {
|
|
var->GetMutable<ReaderHolder>();
|
|
} else if (var_type == proto::VarType::RAW) {
|
|
// GetMutable will be called in operator
|
|
} else {
|
|
PADDLE_THROW(
|
|
"Variable type %d is not in "
|
|
"[LOD_TENSOR, SELECTED_ROWS, FEED_MINIBATCH, FETCH_LIST, "
|
|
"LOD_RANK_TABLE, PLACE_LIST, READER, RAW]",
|
|
var_type);
|
|
}
|
|
}
|
|
|
|
void CopyVariable(const Variable &src_var, Variable *dst_var) {
|
|
// only support cpu now
|
|
auto cpu_place = platform::CPUPlace();
|
|
|
|
if (src_var.IsType<framework::LoDTensor>()) {
|
|
auto *tmp_grad_tensor = dst_var->GetMutable<framework::LoDTensor>();
|
|
auto &src_tensor = src_var.Get<framework::LoDTensor>();
|
|
tmp_grad_tensor->set_lod(src_tensor.lod());
|
|
framework::TensorCopy(src_tensor, cpu_place, tmp_grad_tensor);
|
|
} else if (src_var.IsType<framework::SelectedRows>()) {
|
|
auto &src_slr = src_var.Get<framework::SelectedRows>();
|
|
auto *tmp_grad_slr = dst_var->GetMutable<framework::SelectedRows>();
|
|
tmp_grad_slr->set_rows(src_slr.rows());
|
|
tmp_grad_slr->set_height(src_slr.height());
|
|
auto &src_t = src_slr.value();
|
|
auto *dst_t = tmp_grad_slr->mutable_value();
|
|
framework::TensorCopy(src_t, cpu_place, dst_t);
|
|
} else {
|
|
PADDLE_THROW("unknown var type to copy");
|
|
}
|
|
}
|
|
} // namespace framework
|
|
} // namespace paddle
|