Description: 进程调度算法:采用最高优先数优先的调度算法,即把处理机分配给优先数最高的进程。 每个进程由一个进程控制块(PCB)表示。进程控制块可以包含如下信息:进程名、优先数、需要运行的时间、已占用的CPU时间、进程状态等等。 进程的优先数及所需要运行的时间可以事先人为地指定(也可由随机数产生)。 进程的运行时间以时间片为单位进行计算。 每个进程的状态可以是就绪W(Wait),运行R(Run),或完成F(Finish)三种状态之一。-process Scheduling Algorithm : The highest priority of several priority scheduling algorithm, which is allocated to the processor the highest priority in the process. Every process from a process control block (PCB) said. Process control block may contain the following information : process, and priority number, the need to run time, has taken the CPU time, the process of the state and so on. Several priorities for the process of what needs to run and the time prior to artificially designated (also be random number generator). The process of running time to time-unit calculations. The state of each process can be completed W (Wait), running R (Run), or completion of F (Finish), one of three state. Platform: |
Size: 7168 |
Author:生 |
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Description: 由于在单道批处理系统中,作业一投入运行,它就占有计算机的一切资源直到作业完成为止,因此调度作业时不必考虑它所需要的资源是否得到满足,它所占用的CPU时限等因素。 每个作业由一个作业控制块JCB表示,JCB包括如下信息:作业名、提交时刻、所需运行时间、所需资源、作业状态、链指针等。 在程序开始时对用户提交的作业按作业调度算法排列,用链表形式存储,这里分别采用先来先服务、短作业、响应比高者优先调度算法对作业进行调度。这里为了操作者的方便,每个作业无论所需运行时间多少,都是每敲一次键盘就执行完一个作业。每个作业完成后打印作业的开始运行时刻,完成时刻,周转时间和带权周转时间,一组作业完成后打印这组作业的平均周转时间,带权周转时间。所以要在运行时对运行时间进行记录,这里设置几个全局变量:T时间量; ttime总周转时间; trtime总的带权周转时间。-Road due to the single-batch system, and put into operation an operation, it has all the resources of the computer until the operation is completed, the dispatch operation when it's not necessary to consider whether the resources needed to be met, it occupied by the CPU time and other factors. Each operation by operating a control block JCB, JCB include the following information : operations, and submitted moment, the run time, the resources required, operational state, chain pointer. At the beginning of the procedure to users of operations by scheduling algorithm with using forms Chain store, were used here first-come first-serve, short operations, response is high priority scheduling algorithm scheduling of the operation. Here in order to facilitate the operation of each operation ir Platform: |
Size: 3072 |
Author:江大 |
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Description: 设计一个有 N个进程共行的进程调度程序。
进程调度算法:采用最高优先数优先的调度算法(即把处理机分配给优先数最高的进程)和时间片轮转调度算法。
每个进程由一个进程控制块( PCB)表示。进程控制块可以包含如下信息:进程名、优先数、到达时间、需要运行时间、已用CPU时间、进程状态等等。 -design is a process of a total of N line in the process scheduler. Process Scheduling Algorithm : The number of the highest priority priority scheduling algorithm (that is, processors allocated to the highest priority in the process) and time-scheduling algorithm postings. Every process from a process control block (PCB) said. Process control block may contain the following information : process, and priority number, the arrival time, the running time, CPU time used, the process of the state and so on. Platform: |
Size: 13312 |
Author:aaa |
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Description: 操作系统——动态优先级调度算法源代码,多道系统中多进程并发执行,为了提高系统性能解决进程死锁问题,进程的优先级是动态变化的。正在执行的进程优先级会随时间降低,而挂起的进程或等待的进程的优先级会逐渐升高,这样就解决了操作系统中一个地优先级程序长期占据cpu,而高优先级进程却迟迟不能得到处理。-operating system-- Dynamic priority scheduling algorithm source code, multi-channel system more complicated implementation process. To enhance system performance Deadlock settlement process, the priority process is a dynamic change. The process is the implementation of priority will be reduced over time, and duration of the process, or wait for the process priority will be gradually increased, this would resolve the operating system to a long-term priority procedures occupy cpu, while high-priority process still could not be processed. Platform: |
Size: 9216 |
Author:韩文杰 |
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Description: 关于进程的调度算法
实验设计:
(1)设计一个有N个进程共行的进程调度程序。每个进程由一个进程控制块
PCB表示。进程控制块包括以下信息:进程名,进程优先数,进程需要运行的时间,占用CPU的时间以及进程的状态等。
(2)本调度程序用优先数调度算法。
(3)编写程序并调试运行。
-on the process of scheduling algorithm Experimental Design : (1) design a process of a total of N line in the process scheduler. Every process from a process control block PCB said. Process control block include the following information : process, and several priority process, the process needs to run the time, CPU time and the process of status. (2) The scheduler with a few priority scheduling algorithm. (3) Prepare and commissioning procedures. Platform: |
Size: 6144 |
Author:赵新新 |
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Description: 是关于CPU进程调度的模拟程序,可以实现三种算法的进程调度:先来先服务,短进程优先,最高优先级。是操作系统的大作业。-is on the CPU scheduling process simulation program that can be achieved in three of process scheduling algorithm : first-come first-serve, short process priority, the highest priority. The operating system is operating. Platform: |
Size: 129024 |
Author:好想见到你 |
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Description: 处理机调度,编写一个进程调度程序,允许多个进程共行的进程调度程序。
进程调度算法:采用最高优先数优先的调度算法(即把处理机分配给优先数最高的进程)和先来先服务算法。
每个进程有一个进程控制块(PCB)表示。进程控制块可以包含如下信息:进程名、优先数、到达时间、需要运行时间、已用CPU时间、进程状态等等。
进程的优先数及需要的运行时间可以事先人为地指定(也可以由随机数产生)。进程的到达时间为输入进程的时间。
进程的运行时间以时间片为单位进行计算。
每个进程的状态可以是就绪 W(Wait)、运行R(Run)、或完成F(Finish)三种状态之一。
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。
如果运行一个时间片后,进程的已占用 CPU时间已达到所需要的运行时间,则撤消该进程,如果运行一个时间片后进程的已占用CPU时间还未达所需要的运行时间,也就是进程还需要继续运行,此时应将进程的优先数减1(即降低一级),然后把它插入就绪队列等待CPU。
每进行一次调度程序都打印一次运行进程、就绪队列、以及各个进程的 PCB,以便进行检查。
重复以上过程,直到所要进程都完成为止
-processor scheduling, the preparation of a process scheduling procedures, allowing a total of more than process the process scheduler. Process scheduling algorithm : Highest priority for priority scheduling algorithm (namely processors allocated to the highest priority in the process) and a first-come first-service algorithm . Each process is a process control block (PCB) said. Process control block may contain the following information : process, and a number of priority, arriving in time, the running time, CPU has spent time, the process of the state and so on. Several priorities for the process of the operation and needs time to be designated prior to artificially (and also by the random number generator). The arrival process for the importation process of time. The process of running t Platform: |
Size: 101376 |
Author:王山 |
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Description: 操作系统中的进程调度,进程调度模拟程序:假设有10个进程需要在CPU上执行,分别用:先进先出调度算法;基于优先数的调度算法;最短执行时间调度算法
确定这10个进程在CPU上的执行过程。要求每次进程调度时在屏幕上显示:当前执行进程;就绪队列;等待队列
-operating system process scheduling, process simulation scheduling procedures : Assuming a 10 CPU in the process of implementation, respectively : FIFO-scheduling algorithm; Based on the number of priority scheduling algorithm; shortest execution time scheduling algorithm to determine which 10 of the CPU the process of the implementation process. Scheduling requires every process when displayed on the screen : the current implementation process; Ready queue; Waiting for the queue Platform: |
Size: 104448 |
Author:魏然 |
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Description: 编写并调试一个模拟的进程调度程序,采用“最高优先数优先”调度算法对五个进程进行调度。
“最高优先数优先”调度算法的基本思想是把CPU分配给就绪队列中优先数最高的进程。
静态优先数是在创建进程时确定的,并在整个进程运行期间不再改变。
-prepared a simulation and debugging process scheduling procedures, "Priority number of the highest priority" Scheduling Algorithm of five scheduling process. "Priority number of the highest priority" scheduling algorithm The basic idea is to place the CPU allocated to the parade were the highest priority in the process. Static priority is the creation of a number of processes identified, and the entire process will not change during operation. Platform: |
Size: 176128 |
Author:111111 |
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Description: 1、 :编写并调试一个模拟的进程调度程序,采用“最高优先数优先”调度算法对进程进行调度。 “最高优先数优先调度算法的基本思想是把CPU分配给就绪队列中优先数最高的进程。尝试静态优先数与动态优先数两种方法:
a) 静态优先数是指优先数在整个进程运行期间不再改变。优先数可以在数据输入时指定,也可以根据到达顺序、运行时间确定。
b) 动态优先数是指进程的优先数在创建进程时可以给定一个初始值,并且可以按一定原则修改优先数。例如进程获得一次CPU后就将其优先数减少1。或者进程等待的时间超过某一时限时增加其优先数的值。
2、 编写并调试一个模拟的进程调度程序,模拟实现多级反馈队列调度算法。
3、 编写并调试一个模拟的进程调度程序,模拟实现最低松弛度优先算法。
4、 程序与报告要求:
a) 对上述要求1、2、3,至少要完成一项,鼓励尝试多种算法。
b) 输出结果要尽量详细清晰,能够反映调度后队列变化,PCB内部变化。
c) 可以选择在Windows或Linux环境下编写、运行程序
d) 鼓励使用不同的开发工具在不同平台环境上进行开发比较。
e) 在实验报告中,一方面可以对实验结果进行分析,一方面可以对各种算法进行比较,分析它们的优劣,说明各种算法适用于哪些情况下的调度。
-1 : Prepare a simulation and debugging process scheduling procedures, "Priority number of the highest priority" to the process of scheduling algorithms for scheduling. "Highest priority priority scheduling algorithm for the basic idea is to place the CPU allocated to the priority queue highest process. Taste Examination several static and dynamic priority priority number two methods : a) static priority number is priority number in operation during the entire process will not change. priority number in the designated input data, can be reached under the order, running time determine. b) dynamic priority number refers to several priorities for the process of the creation process can be given an initial value, and according to the principle of amending certain priority number. Platform: |
Size: 1217536 |
Author:huiting_liu |
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Description: 3个CPU调度算法的simulation. 分别是Short Job First,High Return Ration Next, Round Robin.
模拟得到R,U,S等重要指标。-3 CPU scheduling algorithm of the simulation. Were Short Job First, High Return Ration Next, Round Robin. Simulated R, U, S and other important indicators. Platform: |
Size: 19456 |
Author:tennic |
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Description: CPU调度算法-优先级调度,采用多极优先级调度,可以运行,请大家放心使用-CPU scheduling algorithm- Priority Scheduling, using a multi-polar Priority Scheduling, you can run, please rest assured that the use of U.S. Platform: |
Size: 1024 |
Author:林心蓝 |
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Description: 一、目的要求
用高级语言编写和调试一个或多个作业调度的模拟程序,以加深对作业调度算法的理解。
二、例题:为单道批处理系统设计一个作业调度程序。
由于在单道批处理系统中,作业一投入运行,它就占有计算机的一切资源直到作业完成为止,因此调度作业时不必考虑它所需要的资源是否得到满足,它所占用的 CPU时限等因素。
作业调度算法:采用先来先服务(FCFS)调度算法,即按作业提交的先后次序进行调度。总是首先调度在系统中等待时间最长的作业。
-First, the purpose of high-level language requires writing and debugging of one or more job scheduling simulation procedures in order to deepen their understanding of job scheduling algorithms. B, Example: In order to single-channel system, the design of a batch job scheduling procedures. Road as a result of a single batch system, the operation of a put into operation, it would occupy all the resources until the computer s operation has been completed, so no need to consider when scheduling operation of the resources it needs are met, it is occupied by factors such as CPU time limit. Scheduling Algorithm: The First Come First Served (FCFS) scheduling algorithm, that is, according to the order of operations submitted for scheduling. Scheduling is always first in the system waiting for the longest operations. Platform: |
Size: 73728 |
Author:Anson |
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Description: 提供了几种不同的cpu调度算法,包括FCFS,RR,JSP,优先级调度等算法。-Provided several different types of cpu scheduling algorithm, including FCFS, RR, JSP, such as priority scheduling algorithm. Platform: |
Size: 41984 |
Author:liove |
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Description: java实现的CPU调度算法。。算法比较通俗,易懂,是根据上课学的编的一个代码-java realization CPU scheduling algorithm. . Algorithm popular, easy to understand, is prepared according to the school to learn a code Platform: |
Size: 4096 |
Author:wayne |
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Description: This a CPU Scheduling Algorithm implemented in C in order to Simulate CPU Scheduling-This is a CPU Scheduling Algorithm implemented in C in order to Simulate CPU Scheduling Platform: |
Size: 2048 |
Author:Saurabh |
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Description: 用c++实现的CPU四种调度算法,简单易懂-With c++ implementation of the four types of CPU scheduling algorithm, simple to understand Platform: |
Size: 5120 |
Author:高赫 |
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