【摘要】 在运动目标的实时跟踪中,软件的执行效率直接影响系统跟踪的实时性,因此对DSP进行软件优化使DSP硬件功能得到充分发挥十分重要。结合TMS320DM642的结构特点,研究DSP软件优化方法,包括编译器优化、存储器优化、DSP关键字和内联函数优化、短字长存取优化、流水线优化等,通过这些方法能有效提高系统的实时性,对实际系统的开发有重要意义。更多还原

【Abstract】 In mobile targets’ real-time tracking,software’s execution efficiency will directly affect system tracking of the moment,so software optimization plays an important role in making DSP hardware fully operated.Combined with structural characteristics of TMS320DM642,propose methods for DSP software optimization,which include optimization of compiler,memory,DSP keyword and inline functions,short-word-length access and pipeline.The methods can effectively improve the system’s real-time performance,and has important significance for actual system development.更多还原