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93 lines
2.4 KiB
93 lines
2.4 KiB
/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License. */
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#include <glog/logging.h>
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#include "paddle/fluid/inference/api/paddle_inference_api.h"
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namespace paddle {
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int PaddleDtypeSize(PaddleDType dtype) {
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switch (dtype) {
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case PaddleDType::FLOAT32:
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return sizeof(float);
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case PaddleDType::INT64:
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return sizeof(int64_t);
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default:
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assert(false);
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return -1;
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}
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}
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PaddleBuf::PaddleBuf(PaddleBuf&& other)
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: data_(other.data_),
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length_(other.length_),
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memory_owned_(other.memory_owned_) {
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other.memory_owned_ = false;
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other.data_ = nullptr;
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other.length_ = 0;
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}
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PaddleBuf::PaddleBuf(const PaddleBuf& other) { *this = other; }
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PaddleBuf& PaddleBuf::operator=(const PaddleBuf& other) {
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if (!other.memory_owned_) {
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data_ = other.data_;
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length_ = other.length_;
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memory_owned_ = other.memory_owned_;
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} else {
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Resize(other.length());
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memcpy(data_, other.data(), other.length());
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length_ = other.length();
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memory_owned_ = true;
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}
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return *this;
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}
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PaddleBuf& PaddleBuf::operator=(PaddleBuf&& other) {
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// only the buffer with external memory can be copied
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data_ = other.data_;
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length_ = other.length_;
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memory_owned_ = other.memory_owned_;
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other.data_ = nullptr;
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other.length_ = 0;
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other.memory_owned_ = false;
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return *this;
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}
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void PaddleBuf::Resize(size_t length) {
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// Only the owned memory can be reset, the external memory can't be changed.
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if (length_ == length) return;
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if (memory_owned_) {
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Free();
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}
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data_ = new char[length];
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length_ = length;
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memory_owned_ = true;
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}
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void PaddleBuf::Reset(void* data, size_t length) {
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Free();
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memory_owned_ = false;
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data_ = data;
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length_ = length;
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}
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void PaddleBuf::Free() {
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if (memory_owned_ && data_) {
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assert(length_ > 0);
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delete[] static_cast<char*>(data_);
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data_ = nullptr;
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length_ = 0;
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}
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}
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} // namespace paddle
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