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    • 1. 发明申请
    • VIRTUAL COMPUTER SYSTEM AND SCHEDULING METHOD THEREOF
    • 虚拟计算机系统及其调度方法
    • US20080172666A1
    • 2008-07-17
    • US11972891
    • 2008-01-11
    • Hironori Inoue
    • Hironori Inoue
    • G06F9/455
    • G06F9/45533G06F9/5077
    • Each virtual computer is arranged to have an exclusive-use timer mechanism in a physical computer in the form of a virtual timer with a physical timer as a timer source. Upon execution of virtual computer scheduling processing, a hypervisor uses information, such as “virtual timer value” or “accumulation of processor usage times” of each virtual computer, to perform dispatching while determining a virtual computer to be dispatched by priority and computing its dispatch time. With this approach, a scheduling method capable of simultaneously satisfying “(1) least possible interruption delay,” “(2) uniformization of accumulation of processor use times of each virtual computer” and “(3) effective use of processor idle time” is provided. In particular, regarding the requirement (1), the function of causing a report to virtual computer upon at the time of timer interruption to become zero in delay is realized.
    • 每个虚拟计算机被布置为在物理计算机中具有作为定时器源的物理定时器的虚拟定时器形式的专用定时器机制。 在执行虚拟计算机调度处理时,管理程序使用诸如每个虚拟计算机的“虚拟计时器值”或“累积处理器使用时间”之类的信息来执行调度,同时确定要优先发送的虚拟计算机并计算其调度 时间。 利用这种方法,能够同时满足“(1)最小可能的中断延迟”,“(2)每个虚拟计算机的处理器使用时间的累积的均匀化”和“(3)有效使用处理器空闲时间”)的调度方法是 提供。 具体地,关于要求(1),实现了在定时器中断时使虚拟计算机的报告在延迟时变为零的功能。
    • 2. 发明授权
    • Wafer support member and semiconductor manufacturing system using the same
    • 晶圆支撑构件和半导体制造系统使用相同
    • US07326886B2
    • 2008-02-05
    • US11260674
    • 2005-10-26
    • Hironori Inoue
    • Hironori Inoue
    • H05B3/68H05B3/08H01R12/04
    • H01L21/68785H01L21/67103H01L21/6831
    • A simple and practical wafer support member which holds vacuum tight comprises a plate-shaped ceramic body having one main surface of a mount surface on which a wafer is mounted and a penetrating via hole from one main surface to the other main surface, a conductive layer provided on the mount surface, a connection conductive layer provided on an inner surface of the via hole so as to be connected to the conductive layer, a buried conductive layer which is buried in the plate-shaped ceramic body so as to be connected to the connection conductive layer, and a conducting terminal having one end and the other end and arranged apart from the via hole Of the plate-shaped ceramic body so that it is connected to the buried conductive layer in the vicinity of its one end and the other end protrudes from the other main surface of the ceramic body.
    • 保持真空密封的简单实用的晶片支撑构件包括:板状陶瓷体,其具有安装表面的一个主表面,晶片安装在该主体表面上,并且穿透通孔从一个主表面到另一个主表面;导电层 设置在安装表面上的连接导电层,设置在通孔的内表面上以连接到导电层;埋入导电层,其被埋在板状陶瓷体中,以便连接到 连接导电层,以及具有一端和另一端的导电端子,并且与所述板状陶瓷体的通孔分开配置,使得其在一端附近与所述掩埋导电层连接,另一端 从陶瓷体的另一个主表面突出。
    • 5. 发明授权
    • Virtual machine system, hypervisor in virtual machine system, and scheduling method in virtual machine system
    • 虚拟机系统,虚拟机系统管理程序,虚拟机系统调度方法
    • US08266629B2
    • 2012-09-11
    • US12628342
    • 2009-12-01
    • Hironori InoueShuhei Matsumoto
    • Hironori InoueShuhei Matsumoto
    • G06F9/46G06F9/455
    • G06F9/45558G06F9/544G06F2009/4557
    • Attempts are made to reduce the system overhead generated at the time of context save/restore processing to perform process switching in a virtual machine system. In a CPU occupancy mode that a physical CPU is exclusively allocated to virtual machines, a logical CPU process running on the physical CPU is static, so that it is not necessary to save/restore the context every time the processes are switched. When a switching source process is a logical CPU process in a CPU occupancy mode, a context save is temporarily suspended. When switching to the same logical CPU process is made again continuously, save/restore is skipped. When the logical CPU process of a VMM control VM runs in that period, the logical CPU process whose save is delayed is recorded and saved late.
    • 尝试减少在上下文保存/恢复处理时产生的系统开销,以在虚拟机系统中执行进程切换。 在物理CPU被分配给虚拟机的CPU占用模式下,在物理CPU上运行的逻辑CPU进程是静态的,因此在每次进程切换时不需要保存/恢复上下文。 当切换源进程是CPU占用模式下的逻辑CPU进程时,上下文保存被暂停。 当切换到相同的逻辑CPU进程再次连续进行时,将跳过保存/恢复。 当VMM控制VM的逻辑CPU进程在该时间段内运行时,保存延迟的逻辑CPU进程被记录并保存得较晚。
    • 10. 发明授权
    • Computer system, virtual machine monitor and scheduling method for virtual machine monitor
    • 计算机系统,虚拟机监控和虚拟机监控调度方法
    • US08423999B2
    • 2013-04-16
    • US12834374
    • 2010-07-12
    • Shuhei MatsumotoHironori InoueShintaro Wada
    • Shuhei MatsumotoHironori InoueShintaro Wada
    • G06F9/455G06F9/46
    • G06F9/45533G06F9/45541G06F9/4881G06F2209/483Y02D10/24
    • In a computer system according to the background art, when a request to halt a virtual processor was detected, the virtual processor was blocked. In the blocking method, latency of virtual halt exit of the virtual processor was so long that a problem of performance was caused. A virtual machine monitor selects either of a busy wait method for making repeatedly examination until the virtual halt state exits while the virtual processor stays on the physical processor and a blocking method for stopping execution of the virtual processor and scheduling other virtual processors on the physical processor while yielding the operating physical processor and checking off scheduling of the virtual processor to the physical processor, based on a virtual processor halt duration predicted value of the virtual processor which is an average value of latest N virtual processor halt durations of the virtual processor.
    • 在根据背景技术的计算机系统中,当检测到停止虚拟处理器的请求时,虚拟处理器被阻止。 在阻塞方法中,虚拟处理器的虚拟停止退出的延迟太长,导致性能问题。 虚拟机监视器选择忙等待方法进行重复检查,直到虚拟停止状态退出,而虚拟处理器停留在物理处理器上,并且阻止方法停止虚拟处理器的执行并且调度物理处理器上的其他虚拟处理器 同时基于虚拟处理器停止作为虚拟处理器的最新N个虚拟处理器暂停持续时间的平均值的虚拟处理器的持续时间预测值,产生操作物理处理器并检查虚拟处理器到物理处理器的调度。