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.
70 lines
2.3 KiB
70 lines
2.3 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. */
|
|
|
|
#pragma once
|
|
#include "paddle/fluid/framework/data_type.h"
|
|
#include "paddle/fluid/memory/memcpy.h"
|
|
#include "paddle/fluid/platform/enforce.h"
|
|
#include "paddle/fluid/platform/float16.h"
|
|
|
|
namespace paddle {
|
|
namespace framework {
|
|
template <typename T>
|
|
inline const T* Tensor::data() const {
|
|
check_memory_size();
|
|
bool valid = std::is_same<T, void>::value ||
|
|
holder_->type() == std::type_index(typeid(T));
|
|
PADDLE_ENFORCE(valid, "Tensor holds the wrong type, it holds %s",
|
|
this->holder_->type().name());
|
|
|
|
return reinterpret_cast<const T*>(
|
|
reinterpret_cast<uintptr_t>(holder_->ptr()) + offset_);
|
|
}
|
|
|
|
inline bool Tensor::IsInitialized() const { return holder_ != nullptr; }
|
|
|
|
template <typename T>
|
|
inline T* Tensor::data() {
|
|
check_memory_size();
|
|
bool valid = std::is_same<T, void>::value ||
|
|
holder_->type() == std::type_index(typeid(T));
|
|
PADDLE_ENFORCE(valid, "Tensor holds the wrong type, it holds %s",
|
|
this->holder_->type().name());
|
|
return reinterpret_cast<T*>(reinterpret_cast<uintptr_t>(holder_->ptr()) +
|
|
offset_);
|
|
}
|
|
|
|
template <typename T>
|
|
inline T* Tensor::mutable_data(DDim dims, platform::Place place) {
|
|
static_assert(std::is_pod<T>::value, "T must be POD");
|
|
Resize(dims);
|
|
return mutable_data<T>(place);
|
|
}
|
|
|
|
template <typename T>
|
|
inline T* Tensor::mutable_data(platform::Place place) {
|
|
static_assert(std::is_pod<T>::value, "T must be POD");
|
|
return reinterpret_cast<T*>(mutable_data(place, typeid(T)));
|
|
}
|
|
|
|
inline Tensor ReshapeToMatrix(const Tensor& src, int num_col_dims) {
|
|
Tensor res;
|
|
res.ShareDataWith(src);
|
|
res.Resize(flatten_to_2d(src.dims(), num_col_dims));
|
|
return res;
|
|
}
|
|
|
|
} // namespace framework
|
|
} // namespace paddle
|