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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。
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Size: 19478 |
Author: tennic |
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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。
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Size: 73369 |
Author: Anson |
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Description: CPU是计算机系统中一个十分重要的资源，本章主要介绍处理机的调度目标、策略以及评价方法等。因为处理机调度程序不可能选择全部驻留在外存的进程，因此，在调度一个进程占有处理机之前，系统必须按某种策略把外存中处于后备状态的作业选择出来，并创建进程和分配内存，为进程执行准备必需的资源。这一步称为作业调度或高级调度。作业调度的目标是尽量做到公平合理，能执行尽可能多的作业、尽快地响应时间以及高的设备利用率等。任一调度算法要同时满足这些调度目标是不可能的。大多数操作系统都是根据用户需要而采用兼顾某些目标的方法。比较常用的作业调度算法有：FCFS（先来先服务）、方法、SJP(最短作业优先)法、HRN(最高响应比)法等。这-CPU computer systems is a very important resource, this chapter introduces processor scheduling objectives, strategies and evaluation methods. Because the processor scheduling procedures could not choose Disk presence in all the process, and therefore, in the process of scheduling a possession before the processor, the system must be some kind of strategy to Disk backup were at the operational state of choice out and the process of creation and distribution of memory, the process of preparing the implementation of the necessary resources. This step as job scheduling or senior scheduling. Job Scheduling goal is to try to make it fair and reasonable to carry out the operation as much as possible, as soon as possible to response time and high efficiency in the use of equipment. As a schedulin
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Size: 7526 |
Author: jane |
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Description: 作业调度三种算法FCFS，SJF，HRN-Job Scheduling Algorithm FCFS, SJF, 010-001
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Size: 2048 |
Author: ghostfish |
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Description: CPU是计算机系统中一个十分重要的资源，本章主要介绍处理机的调度目标、策略以及评价方法等。因为处理机调度程序不可能选择全部驻留在外存的进程，因此，在调度一个进程占有处理机之前，系统必须按某种策略把外存中处于后备状态的作业选择出来，并创建进程和分配内存，为进程执行准备必需的资源。这一步称为作业调度或高级调度。作业调度的目标是尽量做到公平合理，能执行尽可能多的作业、尽快地响应时间以及高的设备利用率等。任一调度算法要同时满足这些调度目标是不可能的。大多数操作系统都是根据用户需要而采用兼顾某些目标的方法。比较常用的作业调度算法有：FCFS（先来先服务）、方法、SJP(最短作业优先)法、HRN(最高响应比)法等。这-CPU computer systems is a very important resource, this chapter introduces processor scheduling objectives, strategies and evaluation methods. Because the processor scheduling procedures could not choose Disk presence in all the process, and therefore, in the process of scheduling a possession before the processor, the system must be some kind of strategy to Disk backup were at the operational state of choice out and the process of creation and distribution of memory, the process of preparing the implementation of the necessary resources. This step as job scheduling or senior scheduling. Job Scheduling goal is to try to make it fair and reasonable to carry out the operation as much as possible, as soon as possible to response time and high efficiency in the use of equipment. As a schedulin
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Size: 16384 |
Author: jane |
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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.
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Size: 19456 |
Author: tennic |
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Description: 在使用单片机作为控制cpu时，请稍作简化，具体的PID参数必须由具体对象通过实验确定。由于单片机的处理速度和ram资源的限制，一般不采用浮点数运算，而将所有参数全部用整数，运算到最后再除以一个2的N次方数据（相当于移位），作类似定点数运算，可大大提高运算速度，根据控制精度的不同要求，当精度要求很高时，注意保留移位引起的“余数”，做好余数补偿。这个程序只是一般常用pid算法的基本架构，没有包含输入输出处理部分。-In the use of single-chip microcomputer as the control cpu, please make some simplification, the specific PID parameters must be determined through experiments at specific audiences. As the single-chip processing speed and ram resource constraints, generally do not use floating-point, and will use all parameters of all integers, computing the final 2 and then divided by a N-th power of data (equivalent to shift), similar fixed-point computation can be greatly enhanced speed of operation, according to the different requirements of control precision, when high precision, the attention to retain the shift caused by the balance , do a good job in the balance of compensation. This procedure is commonly used algorithm pid basic structure does not contain input and output part of treatment.
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Size: 1024 |
Author: 王强 |
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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.
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Size: 73728 |
Author: Anson |
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Description: 这是一个比较典型的PID处理程序，在使用单片机作为控制cpu时，请稍作简化，具体的PID参数必须由具体对象通过实验确定。由于单片机的处理速度和ram资源的限制，一般不采用浮点数运算，而将所有参数全部用整数，运算
到最后再除以一个2的N次方数据（相当于移位），作类似定点数运算，可大大提高运算速度，根据控制精度的不同要求，当精度要求很高时，注意保留移位引起的“余数”，做好余数补偿。这个程序只是一般常用pid算法的基本架构，没有包含输入输出处理部分。-This is a relatively typical PID process, in the use of single-chip microcomputer as the control cpu, please make some simplification, the specific PID parameters must be determined through experiments at specific audiences. As the single-chip processing speed and ram resource constraints, generally do not use floating-point, and will use all parameters of all integers, computing the final 2 and then divided by a N-th power of data (equivalent to shift), similar fixed-point computation can be greatly enhanced speed of operation, according to the different requirements of control precision, when high accuracy, the attention to retain the shift caused by the balance , do a good job in the balance of compensation. This procedure is commonly used algorithm pid basic structure does not contain input and output processing section.
Platform: |
Size: 1024 |
Author: 哈哈哈 |
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Description: 这是一个比较典型的PID处理程序,在使用单片机作为控制cpu时,请稍作简化,具体的PID参数必须由具体对象通过实验确定。由于单片机的处理速度和ram资源的限制,一般不采用浮点数运算,而将所有参数全部用整数,运算
到最后再除以一个2的N次方数据（相当于移位）,作类似定点数运算,可大大提高运算速度,根据控制精度的不同要求,当精度要求很高时,注意保留移位引起的“余数”,做好余数补偿。这个程序只是一般常用pid算法的基本架构,没有包含输入输出处理部分。
-This is a relatively typical PID process, in the use of single-chip microcomputer as the control cpu, please make some simplification, the specific PID parameters must be determined through experiments at specific audiences. As the single-chip processing speed and ram resource constraints, generally do not use floating-point, and will use all parameters of all integers, computing the final 2 and then divided by a N-th power of data (equivalent to shift), similar fixed-point computation can be greatly enhanced speed of operation, according to the different requirements of control precision, when high accuracy, the attention to retain the shift caused by the balance , do a good job in the balance of compensation. This procedure is commonly used algorithm pid basic structure does not contain input and output processing section.
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Size: 4096 |
Author: 张天龙 |
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Description: 作业调度算法源代码
希望对大家有所帮助
程序可能有点纰漏，请勿见怪-Job scheduling algorithm source code would like to help everyone procedures may be a bit flawed, do not excuse
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Size: 3072 |
Author: 易遵权 |
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Description: Good utility for updating Windows HAL.DLL to Multiprocessor after you installed Windows as single-core. Much easier than doing the job manually.-Good utility for updating Windows HAL.DLL to Multiprocessor after you installed Windows as single-core. Much easier than doing the job manually.
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Size: 97280 |
Author: Richard |
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Description: 一个很经典的Turbo编码解码程序，除了Turbo码的性能测试外，还增加了正常的信源编码和解码过程，主要用于通信中的信源数据的编码和接收端得解码过程。-The encoding.com turbo encoding feature is available via the encoding.com API and will automatically send your job to a higher capacity (more CPU and more RAM) server for faster processing times. This feature is great to use for high bitrate, H.264, HD, or any video encoding job in which processing time is critical. On average the turbo encoding feature will process a job 60 faster than our standard servers.
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Size: 222208 |
Author: 力量 |
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Description: program to implementShor test-Job-First CPU scheduling algorithms
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Size: 1024 |
Author: naveen |
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Description: FCFS, Round Robin and Shortest Job First
cpu schedu
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Size: 15360 |
Author: hossen |
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Description: 在现代操作系统中，引入了一个重要的概念，那就是进程。引入进程的目的是使程序能够正确地并发执行，进程存在的唯一标志是进程控制块。
在分时系统中，导致创建进程的典型事件是用户登录，在批处理系统中，导致创建进程的典型事件是作业调度，有系统专门为运行中的应用进程创建新进程的事件是提供服务，在创建进程过程中，有调度程序为进程分配CPU不是创建所必需的。
从执行状态转变为活动就绪，如果由于终端用户的请求而暂时停止下来，则它的状态应转变为静止就绪，如果由于得不到所申请的资源而暂时停止下来，则它的状态应转变为活动阻塞。在进程的状态转换中，阻塞到执行一般不可能发生 ，就绪到阻塞肯定不可能发生。 我们如果为每个作业只建立一个进程，则为了照顾短作业用户应采用短作业优先调度算法，为了照顾紧急作业用户应采用基于优先权的剥夺调度算法，为能实现人机交互，应采用时间片轮转法，而能使短作业、长作业和交互作业用户都满意的是多级反馈队列调度算法。进程调度算法中，平均相应时间最短的算法是时间片轮转算法，最容易引起进程长时间等待的是抢占式静态优先权算法。
-Parallel job scheduler is important to High Performance Computing system. The kernel function is to choose a job to execute whenever a scheduling event happens. The simplest policy is FCFS. This approach suffers from low system utilization. EASY Backfilling[4]was proposed to improve system utilization and has been implemented in several production schedulers. The main problem with EASY is that it requires estimates of job runtimes to be available. Another problem is that it moves forwards as many smaller jobs as possible. It is unfair to the larger ones. To attack these problems, we propose a new method, Priority-based Preemptive Scheduling.
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Size: 230400 |
Author: 杜军衔 |
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Description: this program is the implementation of shortest job first cpu scheduling algorithm in c
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Size: 1024 |
Author: ratantata |
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Description: 作业调度算法资源分配要求：
主存分配要求：a优先分配主存的低地址区域且不准移动已在主存中的作业。
b 主存中参与多道运行的作业平分CPU时间
磁带机和打印机：采用静态分配，即在作业运行前就把所需的设备分配给它
-Resource allocation algorithm for job scheduling requirements: allocation of main memory requirements: a low priority in the allocation of main memory address area and not allowed to move in main memory operations. b in the main memory to run the job equally multi-channel tape drives and printers, CPU time: static allocation, that is, in operation the equipment needed to run before I assigned to it
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Size: 48128 |
Author: leo |
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Description: CPU scheduling---Shortest job first algorithm
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Size: 1024 |
Author: roopa |
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Description: 在多通道批处理系统中，作业的运行除了考虑作业之间的优先关系之外，还必须考虑系统能否为其所需的资源分配资源。因为在多通道批处理系统中同时有不只一道作业在CPU中运行，这样就会导致某个作业需要的资源正在被另一个作业占用，这样就会导致无法分配资源的作业进入等待状态，直到该资源被其它作业释放后才能重新激活。-Batch processing in multi-channel system, jobs run in addition to considering the precedence relations between operations, but also must consider the resources required for the system can allocate resources. Because in the multi-channel system at the same batch have more than one job running in the CPU, which would lead to a job required resources are occupied by another job, this will result in the allocation of resources can not work into the waiting state until the resources are released before other work re-activation.
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Size: 142336 |
Author: xiaoxiao |
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