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Convoy Effect in FCFS.
Lesson 9 of 43 • 10 upvotes • 9:26mins
Ansha P
This lesson explains a special case of FCFS which may lead to a situation called Convoy effect.
Operating Systems for GATE
43 lessons • 8h 51m
1
Introduction, Process and Thread
15:00mins
2
Process Layout, Context switching, PCB
12:52mins
3
Process Scheduling, Different types of Schedulers
13:09mins
4
Terms related to processes, FCFS Algorithm
13:28mins
5
Shortest Job First, Shortest Remaining Time First
14:09mins
6
Priority Scheduling (Preemptive and Non Preemptive)
13:05mins
7
Round Robin Scheduling.
14:34mins
8
Multilevel Queue Scheduling, Multilevel Feedback Queue Scheduling.
10:48mins
9
Convoy Effect in FCFS.
9:26mins
10
SJF with prediction of Burst time.
14:37mins
11
Comparison of Scheduling Algorithms.
14:28mins
12
Introduction to Process Sychronization, Race condition
11:22mins
13
Critical section.
9:33mins
14
Hardware solutions for Critical section, Disable interrupt, Test and set instruction.
13:05mins
15
Compare and swap instruction.
11:19mins
16
Test and set instruction with bounded waiting.
14:14mins
17
Peterson's solution for Critical section problem.
8:30mins
18
Mutex and semaphore for solving Critical section problem.
11:29mins
19
Producer- Consumer problem / Bounded buffer problem.
13:51mins
20
Readers- Writers problem.
14:55mins
21
Dining philosophers problem.
12:31mins
22
Interprocess Communication.
13:19mins
23
Deadlocks
12:11mins
24
Handling deadlocks - Deadlock prevention
11:42mins
25
Deadlock avoidance- Resource allocation graph algorithm.
9:42mins
26
Banker's Algorithm.
15:00mins
27
Banker's Algorithm - Resource Request algorithm
14:39mins
28
Deadlock prevention and recovery.
10:53mins
29
Memory management - Introduction.
13:40mins
30
Logical & Physical address, Address binding, Dynamic loading & linking.
9:34mins
31
Contiguous memory allocation.
9:56mins
32
Memory allocation algorithms - First fit, Best fit and Worst fit.
10:45mins
33
Non contiguous memory allocation - Segmentation
11:26mins
34
Non contiguous memory allocation- Paging
12:54mins
35
Hierarchical paging, Hashed page tables, Inverted page tables.
10:56mins
36
Translation look-aside buffer (TLB) in paging.
14:29mins
37
Virtual memory
8:50mins
38
Demand paging, Page faults & Page replacement.
11:37mins
39
Optimal Page replacement algorithm.
9:55mins
40
Least Recently Used (LRU) Page replacement algorithm
10:25mins
41
First In First Out (FIFO) Page replacement algorithm.
13:52mins
42
Counting Based Page replacement algorithms.
14:01mins
43
An interesting question on Semaphore
15:00mins
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