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首页> 外文期刊>International Journal of Innovative Computing Information and Control >ADAPTIVE FRAME LENGTH METHOD FOR HARDWARE CONTEXT-SWITCHING IN DYNAMIC PARTIAL SELF-RECONFIGURABLE SYSTEMS
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ADAPTIVE FRAME LENGTH METHOD FOR HARDWARE CONTEXT-SWITCHING IN DYNAMIC PARTIAL SELF-RECONFIGURABLE SYSTEMS

机译：动态部分可自重构系统中硬件上下文切换的自适应框架长度方法

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摘要

A dynamically and partially reconfigurable system can arbitrarily swap hardware tasks at runtime. However, such FPGA systems require a long time to read and much memory to store the hardware context, when a hardware task is swapped out. A solution to this problem is to adjust the amount of read-back data in a hardware task to reduce the required memory size and reconfiguration time. Therefore, this investigation develops an adaptive frame length method for hardware context-switching with a context reading and writing (CRW) algorithm in dynamically partial self-reconfigurable (DPSR) FPGA systems. The proposed CRW algorithm requires less instruction to execute Read-back and Writeback procedures. Therefore, the CRW algorithm is one means of reducing reconfiguration time. Experimental results show that the proposed method reduces hardware reconfiguration time by 7.763%, memory size by 63.79% and resource overhead by 47.33%.
机译：动态且部分可重新配置的系统可以在运行时任意交换硬件任务。但是，当硬件任务换出时，此类FPGA系统需要较长的读取时间和大量的内存来存储硬件上下文。解决此问题的方法是在硬件任务中调整回读数据量，以减少所需的内存大小和重新配置时间。因此，本研究开发了一种自适应帧长方法，用于在动态部分自重配置（DPSR）FPGA系统中使用上下文读写（CRW）算法进行硬件上下文切换。提出的CRW算法需要较少的指令来执行回读和回写过程。因此，CRW算法是减少重新配置时间的一种方法。实验结果表明，该方法减少了7.763％的硬件重新配置时间，63.79％的内存大小和47.33％的资源开销。

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