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软硬件通信模式的选择对软硬件通信效率产生很大影响.根据硬件函数的特点,提出一种根据软硬件通信量自适应地选择通信模式的软硬件双通信模式,并构建了一种通信模式自适应决策算法,软硬件通信模式的选择对用户透明.实验表明,根据运行时系统状态自适应地选择通信模式,软硬件通信效率得到优化,面积开销也适当减少.
The choice of hardware and software communication mode has a great influence on the communication efficiency between hardware and software.According to the characteristics of hardware function, this paper proposes a hardware and software dual communication mode that adaptively selects communication mode according to the hardware and software traffic and constructs a communication mode The adaptive decision-making algorithm and the choice of communication mode between software and hardware are transparent to the user.The experiment shows that the communication mode can be adaptively selected according to the state of runtime system, the communication efficiency between software and hardware is optimized, and the area overhead is reduced appropriately.