Exploring Speculative Procedure Level Parallelism from Multimedia Applications
Multimedia applications are fast becoming one of the dominating workloads for modern computer systems. How to make use of multicore computing resources to accelerate multimedia applications has become a common concern problem. However, potential speculative procedure level parallelism in multimedia applications has not yet been explored thoroughly. This paper proposes a procedure level speculation architecture for accelerating multimedia applications, including its speculative mechanism and analysis method. It also takes several applications from Mediabench to analyze their coverage parallelism, thread size, inter-thread data dependence feature and potential speedup. The experimental results show that: (1) the best adpcm application can get a 12.2x speedup in procedure level speculation; (2) limited parallelism coverage and severe inter-thread data dependence violations badly affect speculative procedure level parallelism in some multimedia applications.
multimedia thread level speculation multicore
Yaobin Wang Hong An Zhiqin Liu Hui Song Yong Peng
Department of Computer Science and Technology, Southwest University of Science and Technology, Mian Department of Computer Science and Technology, University of Science and Technology of China, Hefei Department of Computer Science and Technology, Southwest University of Science and Technology, Mian
国际会议
杭州
英文
148-151
2012-03-23（万方平台首次上网日期，不代表论文的发表时间）