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一个实现读写者问题的代码,已通过编译,编译后调试即可-achieve a literacy problem of the code, compile, debug can be compiled
Date : 2008-10-13 Size : 3.17kb User : 计量

操作系统实验2:进程调度策略的模拟实现 1、 设计一个有 N个进程共行的进程调度程序。 2、 每个进程有一个进程控制块PCB来表示,进程控制块的格式为: 进程名 优先数 到达时间 需要运行时间 已占用CPU时间 进程状态 a) 进程优先数、需要运行时间、到达时间可以事先人为地指定,也可以随机产生,注意初始化上述数值时要尽量使进程并发执行,而不是按到达时间顺序调度。 b) 进程的运行时间以时间片为单位进行计算。 c) 进程状态分为就绪、运行、完成三种状态之,分别用W、R、F表示。 3、 进程调度规则如下: a) 就绪进程获得 CPU后都只能运行一个时间片。用已占用CPU时间加1来表示。 b) 如果运行一个时间片后,进程已占用 CPU时间达到所需要运行时间,则进程完成,撤销该进程。 c) 如果运行一个时间片后,进程已占用CPU时间还未达到所需要运行时间,即进程需要继续运行,将它插入就绪队列,队列重新排序,等待CPU。 d) 重复以上过程,直到所要进程都完成为止。 -two experimental operating system : the process of scheduling strategy to achieve a simulation. Design is a process of a total of N the process scheduler. 2, each process is a process control block to PCB said that the process control block format : process a few who arrived at the priority needs time to time running CPU time a state process) process priority number. need to run time, arriving in time prior to artificially designated, can also randomly generated, Initialization attention to the above values are to make the complicated process of implementation, and not by order of arrival time scheduling. B) the process of running time to time slice for calculation. C) process into a state of readiness, operations, completed three Status, W, R, F said. 3, the process of scheduling rules ar
Date : 2008-10-13 Size : 985byte User : qiuzhicheng

一个实现读写者问题的代码,已通过编译,编译后调试即可-achieve a literacy problem of the code, compile, debug can be compiled
Date : 2025-12-29 Size : 3kb User : 计量

操作系统实验2:进程调度策略的模拟实现 1、 设计一个有 N个进程共行的进程调度程序。 2、 每个进程有一个进程控制块PCB来表示,进程控制块的格式为: 进程名 优先数 到达时间 需要运行时间 已占用CPU时间 进程状态 a) 进程优先数、需要运行时间、到达时间可以事先人为地指定,也可以随机产生,注意初始化上述数值时要尽量使进程并发执行,而不是按到达时间顺序调度。 b) 进程的运行时间以时间片为单位进行计算。 c) 进程状态分为就绪、运行、完成三种状态之,分别用W、R、F表示。 3、 进程调度规则如下: a) 就绪进程获得 CPU后都只能运行一个时间片。用已占用CPU时间加1来表示。 b) 如果运行一个时间片后,进程已占用 CPU时间达到所需要运行时间,则进程完成,撤销该进程。 c) 如果运行一个时间片后,进程已占用CPU时间还未达到所需要运行时间,即进程需要继续运行,将它插入就绪队列,队列重新排序,等待CPU。 d) 重复以上过程,直到所要进程都完成为止。 -two experimental operating system : the process of scheduling strategy to achieve a simulation. Design is a process of a total of N the process scheduler. 2, each process is a process control block to PCB said that the process control block format : process a few who arrived at the priority needs time to time running CPU time a state process) process priority number. need to run time, arriving in time prior to artificially designated, can also randomly generated, Initialization attention to the above values are to make the complicated process of implementation, and not by order of arrival time scheduling. B) the process of running time to time slice for calculation. C) process into a state of readiness, operations, completed three Status, W, R, F said. 3, the process of scheduling rules ar
Date : 2025-12-29 Size : 1kb User : qiuzhicheng

进程状态有5种: e -执行态 r -高就绪态 t -低就绪态 w -等待态 c -完成态。初始每个进程均为高就绪状态,如果时间片到则转为低就绪状态。 系统分时执行各进程,规定三个进程的执行概率均为33 。通过产生随机数x来模拟时间片。若各进程的执行时间片到限,产生“时间片中断”而转入低就绪状态。 进程调度算法采用剥夺式调度算法。每次总是选择优先数最小(优先级别最高)的就绪进程投入执行。//先从 r 状态进程中选择,再从 t 状态进程中选择。 进程0完成5次计算:s1++ s2++ 进程1完成5次计算:s2++ s1++ 进程2完成5次计算:s2++ -Process state has five kinds: e -implementation of the state r -high readiness state t -low-ready state w -wait state c -complete State. The initial state of each process are the high ready, if the time slice to be transformed into a low state of readiness. System time-sharing implementation of the process, the implementation of the provisions of the three processes are 33 probability. By generating random numbers to simulate the time x Film. If the process of implementation of the time slice to the limit, have a "time slice interrupt," and into the low state of readiness. Process scheduling algorithm uses the deprivation of scheduling algorithm. Always choose the minimum number for each priority (highest priority) is ready Into the implementation process.// Start with r state of the process of selection, from t state of the process of selection. The completion of the process 0 5 calculated: s1++ s2++ Process of a complete calculation 5: s2++ s1++ 2 to com
Date : 2025-12-29 Size : 36kb User : jlliu

Euler 回路问题 ,问题描述: 对于给定的图G 和G 中的2 个顶点v 和w-Euler loop problems, problem description: for a given graph G and G of two vertices v and w
Date : 2025-12-29 Size : 60kb User : Maykyv

Euler 回路问题 ,问题描述: 对于给定的图G 和G 中的2 个顶点v 和w(Euler loop problems, problem description: for a given graph G and G of two vertices v and w)
Date : 2025-12-29 Size : 60kb User : protocoy

類神經 W路,MLP程式 a,可以計算多層架構之類神經 W路 算~C()
Date : 2025-12-29 Size : 2kb User : poinksr
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