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    • 6. 发明授权
    • Multicore processor system, computer product, and control method
    • 多核处理器系统,计算机产品和控制方法
    • US09092273B2
    • 2015-07-28
    • US13614097
    • 2012-09-13
    • Koji KuriharaKoichiro YamashitaKiyoshi MiyazakiHitoshi Ikeda
    • Koji KuriharaKoichiro YamashitaKiyoshi MiyazakiHitoshi Ikeda
    • G06F9/52G06F13/16G06F9/50
    • G06F9/526G06F9/5016G06F13/1652
    • A multicore processor system includes a processor configured to detect any among a switching process and an assignment process of applications in a multicore processor; acquire upon detecting any among the switching process and the assignment process, a priority level concerning execution of each application assigned to each core of the multicore processor and number of accesses of a shared resource shared by the multicore processor; determine an access ratio of an application whose priority level is highest to each of application remaining after excluding the application whose priority level is highest, among the assigned applications, by comparing the number of accesses by each remaining application and the number of accesses by the application whose priority level is highest; notify an arbiter circuit of the determined access ratios; and arbitrate using the arbiter circuit, the access of the shared resource by the multicore processor, based on the access ratios.
    • 多核处理器系统包括被配置为检测多核处理器中的应用的切换过程和分配过程中的任何一个的处理器; 在检测到切换过程和分配过程中的任何一个时获取关于分配给多核处理器的每个核心的每个应用的执行的优先级以及由多核处理器共享的共享资源的访问次数; 通过比较每个剩余应用程序的访问次数和应用程序的访问次数,在分配的应用程序中排除优先级最高的应用程序之后,优先级最高的应用程序的优先级最高的应用程序的访问比率 优先级最高; 通知仲裁电路确定的访问比率; 并且基于访问比率仲裁使用仲裁器电路,由多核处理器访问共享资源。