什么是量化交易？ 量化交易（Quantitative Trading）是通过数学模型和计算机算法对金融市场进行分析和预测，And based on this,a trading strategy is developed for investment trading.与传统的基本面分析、技术分析等方法不同，Quantitative trading emphasizes the use of a large amount of data and scientific methods for research,reducing the impact of human factors and improving the efficiency and accuracy of trading. 量化交易的特征在于，它是一种基于数据和科学方法的交易方式，通常涉及大量数据分析、统计学、计算机科学等知识领域。Compared with traditional trading,quantitative trading uses more sophisticated and efficient trading strategies,which can more quickly obtain market information,analyze Market trend and laws,and make corresponding trading decisions. int PFLD::Impl::LoadModel(const char*root_path){ std::string model_file=std::string(rootpath)+/pfld-lite.mnn; landmarker=std::shared_ptr<MNN::Interpreter>(MNN::Interpreter::createFromFile(model_file.c_str())); MNN::ScheduleConfig config; config.numThread=1; config.type=staticcast<MNNForwardType>(device); MNN::BackendConfig backendConfig; backendConfig.precision=(MNN::BackendConfig::PrecisionMode)precision; backendConfig.power=(MNN::BackendConfig::PowerMode)power; backendConfig.memory=(MNN::BackendConfig::MemoryMode)memory; config.backendConfig=&backendConfig; session=landmarker->createSession(config); //nhwc to nchw std::vector<int>dims{1,inputSize,inputSize_,3}; inputtensor=MNN::Tensor::create<float>(dims,NULL,MNN::Tensor::TENSORFLOW); initialized_=true; return 0; }
