Process Schedule Log for Steven Robbins generated Tue Feb 06 18:11:12 CST 2001

Process Scheduling Simulator version 1.044L120 by S. Robbins supported by NSF grants DUE-9750953 and DUE-9752165.
See /nsf for simulator information.
Java version 1.2.1 OS SunOS version 5.7 24602434886
Group Information for 2 Groups
Name Commentary Duration CPU Burst I/O Burst Priority
myrun_group_1 Group 1 from run myrun constant 11.00 user cpu.1 1 constant 7.00 1.00
myrun_group_2 Group 2 from run myrun constant 8.00 user cpu.2 1 constant 3.00 1.00

Creator Information for 1 Creator
Name Commentary Seed Group Processes First Arrival Interarrival
myrun_creator Creator from run myrun 5000 myrun_group_1 1 0.0 constant 0.00
myrun_group_2 1 0.0 constant 0.00

Experimental Run Information for 1 Run
Name Commentary Creator Algorithm Key
myrun This contains two types of processes myrun_creator SJF
Experimental Runs For 1 Experiment
Experiment Commentary Run Modifications
myexp This experiment contains 4 runs myrun_1 algorithm FCFS
key FCFS
myrun_2 algorithm SJF
key SJF
myrun_3 algorithm PSJF
key PSJF
myrun_4 algorithm RR 3
key RR 3

Starting experiment of 4 runs from myexp

Tue Feb 06 18:11:15 CST 2001

Starting run from myrun_1

Experimental Run Information
Name Commentary Creator Algorithm Key
myrun_1 This contains two types of processes myrun_creator FCFS
Starting to run events using FCFS
13 events done in 21 milliseconds
Tue Feb 06 18:11:15 CST 2001

Starting run from myrun_2

Experimental Run Information
Name Commentary Creator Algorithm Key
myrun_2 This contains two types of processes myrun_creator SJF
Starting to run events using SJF
13 events done in 8 milliseconds
Tue Feb 06 18:11:15 CST 2001

Starting run from myrun_3

Experimental Run Information
Name Commentary Creator Algorithm Key
myrun_3 This contains two types of processes myrun_creator PSJF
Starting to run events using PSJF
15 events done in 19 milliseconds
Tue Feb 06 18:11:15 CST 2001

Starting run from myrun_4

Experimental Run Information
Name Commentary Creator Algorithm Key
myrun_4 This contains two types of processes myrun_creator RR 3
Starting to run events using RR 3.00
19 events done in 15 milliseconds

Tue Feb 06 18:11:16 CST 2001

Description Algorithm Time Processes Finished CPU Utilization Throughput Turnaround Time Waiting Time
myrun_1 FCFS 20.00 2 2 .95000 .100000 19.00 4.50
myrun_2 SJF 24.00 2 2 .79167 .083333 20.00 5.50
myrun_3 PSJF 26.00 2 2 .73077 .076923 18.50 4.00
myrun_4 RR 3.00 24.00 2 2 .79167 .083333 20.50 6.00


Turnaround Time Waiting Time
Description Algorithm Average Minimum Maximum SD Average Minimum Maximum SD
myrun_1 FCFS 19.00 18.00 20.00 1.00 4.50 0.00 9.00 2.25
myrun_2 SJF 20.00 16.00 24.00 4.00 5.50 5.00 6.00 .25
myrun_3 PSJF 18.50 11.00 26.00 7.50 4.00 0.00 8.00 2.00
myrun_4 RR 3.00 20.50 17.00 24.00 3.50 6.00 6.00 6.00 0.00


Tue Feb 06 18:11:21 CST 2001


Gantt Chart for FCFS

Tue Feb 06 18:11:35 CST 2001


Gantt Chart for SJF

Tue Feb 06 18:11:40 CST 2001


Gantt Chart for PSJF

Tue Feb 06 18:11:45 CST 2001


Gantt Chart for RR 3

Process Schedule Log for Steven Robbins completed Tue Feb 06 18:12:04 CST 2001