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Description: 此为操作系统实验报告： scan,cscan算法模拟磁盘调度 内含：程序流程图 设计思路 主要源码等等。 简介：磁盘是一种高速、大容量、旋转型、可直接存取的存储设备。它作为计算机系统的辅助存储器，担负着繁重的输入输出任务、在多道程序设计系统中，往往同时会有若干个要求访问磁盘的输入输出请求等待处理。系统可采用一种策略，尽可能按最佳次序执行要求访问磁盘的诸输入输出请求。-operating system for this experiment : scan, cscan scheduling algorithm simulation disk containing : flowchart design major source so on. Description : disk is a high-speed, high-capacity, rotating type, direct access storage devices. As computer systems support memory, shoulders the heavy task of input and output, multiple procedures in the system design, while there are often a number of requests to visit disk input and output requests pending.
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Size: 6144 |
Author: 何浩 |
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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.
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Size: 7168 |
Author: 生 |
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Description: 模拟操作系统中作业调度算法的vc++程序。从好个方面描述了os的作业调度问题-simulation operating system scheduling algorithm vc procedures. From the good aspects described os operations scheduling problem
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Size: 6144 |
Author: a |
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Description: 一个简单的磁盘调度算法，可以实现先进先出，最短寻道，scan的算法-a simple disk scheduling algorithm can achieve FIFO, shortest Seeking, scan algorithm
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Size: 2048 |
Author: 刘翔 |
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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
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Size: 3072 |
Author: 江大 |
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Description: Job-scheduler is a program that schedules programs to be run at
their specified times. It gives users several options for scheduling
programs.
You can use telnet program to connect to the port job-scheduler is
listenning for incomming connections on the host computer. Then you
can get information about the current scheduled jobs, add, stop or
start jobs or kill the job-scheduler program. Job-scheduler can also
load input files which contain information about some jobs to be
scheduled. - Job-scheduler is a program that schedules programs to be run at their specified times. It gives users several options for scheduling programs. You can use telnet program to connect to the port job-scheduler is listenning for incomming connections on the host computer. Then you can get information about the current scheduled jobs, add, stop or start jobs or kill the job-scheduler program. Job-scheduler can also load input files which contain information about some jobs to be scheduled.
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Size: 310272 |
Author: zrx |
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Description: 这是操作系统实验的调度算法,包含时间片轮转法,抢占式优先权算法,非抢占式优先权算法,先来先服务算法,短作业(进程)优先调度算法.
-This is the experimental operating system scheduling algorithms, including time-rotate, Preemptive priority algorithm, non-preemptive priority algorithm, first-come first-serve algorithm, short operations (process), priority scheduling algorithm.
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Size: 247808 |
Author: 梁狂 |
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Description: 这是一个柔性加工车间的优化调度的遗传算法，算法应用矩阵编码的方式，实现优化求解，欢迎与作者联系其他算法linxk333@yahoo.com.cn-This is a flexible processing workshops optimal scheduling of the genetic algorithm, the algorithm application matrix coding modes to achieve optimization, and welcome other authors associated algorithm linxk333@yahoo.com.cn
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Size: 46080 |
Author: 林献坤 |
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Description: 磁盘调度算法，包括先进先出，最短查找，电梯调度及单向扫描-disk scheduling algorithms, including FIFO, shortest identifying, scheduling and one-way lift scan
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Size: 2096128 |
Author: 翁明喆 |
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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.
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Size: 13312 |
Author: aaa |
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Description: ｍａｔｌａｂ编写的计算排序问题或者求最优值问题，适用于数学建模以及工程计算-Matlab calculations prepared by the scheduling problem or seek optimal values, apply to mathematical modeling, and engineering computing
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Size: 6144 |
Author: 孙兵 |
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Description: 1、按优先权调度算法，实现处理器调度。
2、主存储器空间的分配和回收
在可变分区管理方式下，采用最先适应算法实现主存空间的分配和回收。-1, priority scheduling algorithm to achieve processor scheduling. 2, the main memory space allocation and recovery of the variable area management, using the first algorithm to adapt to main memory space allocation and recovery.
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Size: 4096 |
Author: 陈为 |
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Description: 用c编写的一个基于遗传算法的工程调度的实例。-prepared using a genetic algorithm based on the example of project scheduling.
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Size: 83968 |
Author: 赵 |
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Description: 进程调度:模拟最高优先级优先调度方式和FIFO调度方式.显示每个时间片各进程的PCB.即优先级,状态,访问CPU次数.剩于数-process scheduling : Analog highest priority priority scheduling ways and means FIFO scheduling. Each time film shows the process of the PCB. That is, priority, status, visit the CPU frequency. A few leftovers
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Size: 236544 |
Author: 杨场鸿 |
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Description: 调度算法的源代码,想必许多初学者会比较喜欢吧.-scheduling algorithm source code, I see many beginners would be more like it.
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Size: 2048 |
Author: ll |
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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.
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Size: 9216 |
Author: 韩文杰 |
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Description: Ｎ级进程调度，界面和进程都不错，是很值得下载的-N-scheduling process, the interface and the process is pretty good, and is worth the download
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Size: 27648 |
Author: 林一森 |
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Description: 进程调度问题，调度算法有优先数法和时间片轮法，速度调节可以自己设定-process of scheduling problems, priority scheduling algorithm method and the time-wheel, speed regulation can create
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Size: 27648 |
Author: 林一森 |
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Description: 对进程调度与作业调度的模拟,进程调度算法：采用的是最高优先数优先的高度算法（即把处理机分配给优先数最高的进程和先来先服务算法。分区分配和回收算法：采用首次适应算法和最佳适应算法实现动态分区。其中，空闲分区通过空闲分区链来管理，在进行内存分配时，系统优先使用空闲区低端的空间。-process of scheduling and job scheduling simulation and process scheduling algorithm : the highest priority is the high number of priority algorithm (that is, processors allocated to the highest priority to the process and the first-come first-serve count France. through distribution and recovery algorithm : the first and best adaptation algorithm to adapt to dynamic partitioning algorithm. Among them, through idle through to idle through chain management, carrying out memory allocation, the system priority in the use of low-end leisure area of space.
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Size: 76800 |
Author: 陈任全 |
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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.
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Size: 6144 |
Author: 赵新新 |
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