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    • 1. 发明申请
    • MULTIPROCESSOR SYSTEM AND METHOD OF SYNCHRONIZATION FOR MULTIPROCESSOR SYSTEM
    • 多处理器系统的同步方法和多处理器系统的同步方法
    • US20090193228A1
    • 2009-07-30
    • US12358233
    • 2009-01-22
    • Hironori KASAHARAKeiji KIMURAMasayuki ITOTatsuya KAMEIToshihiro HATTORI
    • Hironori KASAHARAKeiji KIMURAMasayuki ITOTatsuya KAMEIToshihiro HATTORI
    • G06F15/76G06F9/06
    • G06F15/16
    • Each of processors has a barrier write register and a barrier read register. Each barrier write register is wired to each barrier read register by a dedicated wiring block. For example, a 1-bit barrier write register of a processor is connected, via the wiring block, to a first bit of each 8-bit barrier read register contained in the processors, and a 1-bit barrier write register of another processor is connected, via a wiring block, to a second bit of each 8-bit barrier read register contained in the processors. For example, a processor writes information to its own barrier write register, thereby notifying synchronization stand-by to the other processors and reads its own barrier read register, thereby recognizing whether the other processors are in synchronization stand-by or not. Therefore, a special dedicated instruction is not required along barrier synchronization processing, and the processing can be made at a high speed.
    • 每个处理器都有一个屏障写入寄存器和一个屏障读取寄存器。 每个屏障写入寄存器通过专用接线块连接到每个屏障读取寄存器。 例如,处理器的1位屏障写入寄存器经由布线块连接到处理器中包含的每个8位屏障读取寄存器的第一位,而另一个处理器的1位屏障写入寄存器是 通过接线块连接到处理器中包含的每个8位屏障读取寄存器的第二位。 例如,处理器将信息写入其自己的屏障写入寄存器,从而通知其他处理器的同步待机并读取其自己的障碍读取寄存器,从而识别其他处理器是否处于同步待机状态。 因此,沿着屏障同步处理不需要特殊的专用指令,并且可以高速进行处理。