针对 QHL 的代码优化
使用代码替换，从模块、System object、数学函数和数学运算符生成针对数字信号处理的优化代码。
Qualcomm Hexagon 处理器需要满足特定条件才能使用 Qualcomm Hexagon Library（适用于标量处理器的 QHL）进行代码替换。当从模型中生成 C/C++ 代码时，您可以使用以下代码替换。
主题
- Conditions for Code Replacement of DSP Blocks with QHL
Specify conditions for DSP blocks to allow code replacement with the Qualcomm Hexagon library.
- Conditions for Code Replacement of DSP System Objects with QHL
Specify conditions for DSP System objects to allow code replacement with the Qualcomm Hexagon library.
- Conditions for Code Replacement of Math Functions with QHL
Specify conditions for math functions to allow code replacement with the Qualcomm Hexagon library.
- Conditions for Code Replacement of Math Operators with QHL
Specify conditions for math operators to allow code replacement with the Qualcomm Hexagon library.
精选示例
C Code Optimization Using MATLAB Coder app for Hexagon DSP
Demonstrates the workflow of generating optimized C code from MATLAB® Coder app for the Qualcomm Hexagon Simulator using the Embedded Coder® Support Package for Qualcomm® Hexagon® Processors and the Qualcomm Hexagon QHL Code Replacement Library (CRL). The example utilizes a dsp.FIRFilter System object to filter two sine waves with different frequencies.
C Code Optimization using Codegen for Qualcomm Hexagon DSP
Demonstrates the workflow of generating optimized C code in MATLAB® using Codegen for the Qualcomm Hexagon Simulator.
Getting Started with Embedded Coder Support Package for Qualcomm Hexagon Processors
Generate, verify, and profile the optimized code using Embedded Coder® Support Package for Qualcomm® Hexagon® Processors.
