Files
FastDeploy/fastdeploy/backends/lite/lite_backend.h
DefTruth a51e5a6e55 [Android] Add android aar package (#416)
* [Android] Add Android build docs and demo (#26)

* [Backend] Add override flag to lite backend

* [Docs] Add Android C++ SDK build docs

* [Doc] fix android_build_docs typos

* Update CMakeLists.txt

* Update android.md

* [Doc] Add PicoDet Android demo docs

* [Doc] Update PicoDet Andorid demo docs

* [Doc] Update PaddleClasModel Android demo docs

* [Doc] Update fastdeploy android jni docs

* [Doc] Update fastdeploy android jni usage docs

* [Android] init fastdeploy android jar package

* [Backend] support int8 option for lite backend

* [Model] add Backend::Lite to paddle model

* [Backend] use CopyFromCpu for lite backend.

* [Android] package jni srcs and java api into aar

* Update infer.cc

* Update infer.cc

* [Android] Update package build.gradle

* [Android] Update android app examples

* [Android] update android detection app
2022-10-26 17:01:14 +08:00

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C++

// Copyright (c) 2022 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 <iostream>
#include <memory>
#include <string>
#include <vector>
#include "fastdeploy/backends/backend.h"
#include "paddle_api.h" // NOLINT
namespace fastdeploy {
struct LiteBackendOption {
// cpu num threads
int threads = 1;
// lite power mode
// 0: LITE_POWER_HIGH
// 1: LITE_POWER_LOW
// 2: LITE_POWER_FULL
// 3: LITE_POWER_NO_BIND
// 4: LITE_POWER_RAND_HIGH
// 5: LITE_POWER_RAND_LOW
int power_mode = 3;
// enable fp16
bool enable_fp16 = false;
// enable int8
bool enable_int8 = false;
// optimized model dir for CxxConfig
std::string optimized_model_dir = "";
// TODO(qiuyanjun): support more options for lite backend.
// Such as fp16, different device target (kARM/kXPU/kNPU/...)
};
// Convert data type from paddle lite to fastdeploy
FDDataType LiteDataTypeToFD(const paddle::lite_api::PrecisionType& dtype);
class LiteBackend : public BaseBackend {
public:
LiteBackend() {}
virtual ~LiteBackend() = default;
void BuildOption(const LiteBackendOption& option);
bool InitFromPaddle(const std::string& model_file,
const std::string& params_file,
const LiteBackendOption& option = LiteBackendOption());
bool Infer(std::vector<FDTensor>& inputs, std::vector<FDTensor>* outputs) override; // NOLINT
int NumInputs() const override { return inputs_desc_.size(); }
int NumOutputs() const override { return outputs_desc_.size(); }
TensorInfo GetInputInfo(int index) override;
TensorInfo GetOutputInfo(int index) override;
std::vector<TensorInfo> GetInputInfos() override;
std::vector<TensorInfo> GetOutputInfos() override;
private:
paddle::lite_api::CxxConfig config_;
std::shared_ptr<paddle::lite_api::PaddlePredictor> predictor_;
std::vector<TensorInfo> inputs_desc_;
std::vector<TensorInfo> outputs_desc_;
std::map<std::string, int> inputs_order_;
LiteBackendOption option_;
bool supported_fp16_ = false;
};
} // namespace fastdeploy