基于程序执行轨迹的SoC软硬件划分方法  

A Method to Construct SoC Hardware Acceleration Module with Trace

作　　者：桑胜田[1] 喻明艳[1] 叶以正[1] 

机构地区：[1]哈尔滨工业大学微电子中心,黑龙江哈尔滨150001

出　　处：《微电子学与计算机》2009年第1期85-88,92,共5页Microelectronics & Computer

摘　　要：提出了基于程序执行轨迹提取加速模块的软硬件划分方法.利用热trace提取算法划分系统中关键的trace到硬件,使用分支断言构造原子执行单位,以较小的硬件代价获得较高的加速比.实验中,与采用模拟退火算法的指令级细粒度划分相比,获得的性能平均高9.6%,最终结果硬件面积小29%.In this paper, we propose a hardware/software partitioning method to extract the hardware acceleration modules based on traces. With the algorithm presented, hot traces are identified and transformed to atomic execution units using branch assertions to get high speedup at low cost. Experiment result shows that compared with annealing partitioning in granularity of instruction, the trace based method produces higher performance by average 9.6% and the hardware area is reduced by 29 %.

关 键 词：程序执行轨迹 硬件加速模块 SOC 软硬件划分 

分 类 号：TP302.1[自动化与计算机技术—计算机系统结构]