1、Module 6: CPU Scheduling,Basic Concepts (基本概念) Scheduling Criteria (调度准则) Scheduling Algorithms (调度算法) Multiple-Processor Scheduling (多处理器调度) Real-Time Scheduling (实时调度) Algorithm Evaluation (算法评估),Basi
Chapter2–Scheduling ZhangYangFall2010 Contentofthislecture WhatisScheduling?ClassificationofSchedulingActivityProcessBehaviorWhentoSchedule?SchedulingAlgorithms WhatisScheduling? Decidingwhichprocess/threadshouldoccupytheresource(CPU,disk,etc)(CPU(horsepower))Iwanttorideit Whoseturnisit?Process1...
Performance Evaluation (cont’d) dmClock Evaluation – Implementation in a distributed storage system that consists of multiple storage servers (nodes). – Each node is implemented using a virtual machine running RHEL Linux with a 10GB OS disk and a 10GB experimental disk. 23 Conclusion The mCloc...
Tasks in FreeRTOS In FreeRTOS, computations are organized around tasks, which are the most basic unit of scheduling A task is a thread A task is a function that must return void and take a void pointer parameter: void ATaskFunction(void *pvParameters); A task normally runs in an infinite...
04-real-time-scheduling Real-TimeScheduling Traditional&CompositionalSchedulingFramework InsikShin 15April2004 CIS640 1 Outline •Real-timesystems•Real-timeschedulingtheory –Traditionalschedulingframework–Compositionalschedulingframework 15April2004 CIS640 2 Real-TimeSystems •Definition –Systemswhose...
• Previous scheduling algorithms consider the concept of priority. –Short-lived or long-lived? –CPU-bound or I/O-bound? • i.e., Priorities are determined with internal measurable characteristics of a process. • External characteristics of a process –Time-sharing, batch (SVR...
The term "Con- straint" is related to the inclusion of time windows and demand times in the optimiza- tion. Finally, the "Solving method" refers to the applied algorithm to solve the optimiza- tion, whether exact solution-based algorithms or heuristic-based algorithms are used. The first ...
Dec13,2000 FairShareScheduling 4 SchedulingforPerformance •Administratorspecifiesperformancegoals –Responsetimes:IBMOS/390(nottoday)–Resourceallocations(shares):Unixofferingsfrom HP(PRM)IBM(WLM)Sun(SRM)•Operatingsystemdispatchesjobsinanattempttomeetgoals Dec13,2000 ...
Nevertheless, the real and reliable energy-related data provided in the existing ES cases is rather limited, leading to enormous difficulty in evaluating the energy-saving effect objectively. In contrast, more focus is on the algorithms for solving scheduling problems, especially modern intelligent ...
The black hole algorithms can solve different NP-hard optimization problems related to electric power systems [76], scheduling in automotive industry [77], pattern synthesis ion radio science [78], earth sciences [79] logistics and supply chain [80], nondestructive testing of wiring networks [81...