Multi-Server Queuing System (C++ Simulation)

Usage

Compile and Run:

git clone https://www.github.com/zedrex/msqs.git
cd msqs
cd src
make
./main

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Set Simulation Parameters (Input)

Input data after running main:

Sample Input

Number of Servers: 2
Inter Arrival Time Mean: 10  
Service Time Mean: 9
Total Number of Customers: 10

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Check Simulation Data (Output)

Tabular Output:

src/event.csv

Type	Start Time	Server	Customer	Queue Size
Arrival	3.831861	-	1	0
Service	3.831861	1	1	0
Departure	30.120278	1	1	0
Arrival	32.658025	-	2	0
Service	32.658025	1	2	0
Arrival	35.583797	-	3	0
Service	35.583797	2	3	0
Departure	38.588969	2	3	0
Departure	38.956376	1	2	0
Arrival	66.700297	-	4	0
Service	66.700297	1	4	0
Arrival	68.364206	-	5	0
Service	68.364206	2	5	0
Departure	68.501284	2	5	0
Arrival	71.539743	-	6	0
Service	71.539743	2	6	0
Departure	80.422949	2	6	0
Departure	83.365047	1	4	0
Arrival	96.556605	-	7	0
Service	96.556605	1	7	0
Departure	97.061071	1	7	0
Arrival	100.593244	-	8	0
Service	100.593244	1	8	0
Arrival	100.910367	-	9	0
Service	100.910367	2	9	0
Departure	105.264881	2	9	0
Arrival	110.643626	-	10	0
Service	110.643626	2	10	0
Departure	116.330310	1	8	0
Departure	134.100175	2	10	0

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src/customer.csv

Customer	Server	Arrival Time	Service Start Time	Departure Time	Service Duration	Sojourn Time
1	1	3.831861	3.831861	30.120278	26.288417	26.288417
2	1	32.658025	32.658025	38.956376	6.298351	6.298351
3	2	35.583797	35.583797	38.588969	3.005172	3.005172
4	1	66.700297	66.700297	83.365047	16.664749	16.664749
5	2	68.364206	68.364206	68.501284	0.137079	0.137079
6	2	71.539743	71.539743	80.422949	8.883206	8.883206
7	1	96.556605	96.556605	97.061071	0.504466	0.504466
8	1	100.593244	100.593244	116.330310	15.737065	15.737065
9	2	100.910367	100.910367	105.264881	4.354513	4.354513
10	2	110.643626	110.643626	134.100175	23.456549	23.456549

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Raw CSV Data:

src/event.csv

Type,Start Time,Server,Customer,Queue Size
Arrival,3.831861,-,1,0
Service,3.831861,1,1,0
Departure,30.120278,1,1,0
Arrival,32.658025,-,2,0
Service,32.658025,1,2,0
Arrival,35.583797,-,3,0
Service,35.583797,2,3,0
Departure,38.588969,2,3,0
Departure,38.956376,1,2,0
Arrival,66.700297,-,4,0
Service,66.700297,1,4,0
Arrival,68.364206,-,5,0
Service,68.364206,2,5,0
Departure,68.501284,2,5,0
Arrival,71.539743,-,6,0
Service,71.539743,2,6,0
Departure,80.422949,2,6,0
Departure,83.365047,1,4,0
Arrival,96.556605,-,7,0
Service,96.556605,1,7,0
Departure,97.061071,1,7,0
Arrival,100.593244,-,8,0
Service,100.593244,1,8,0
Arrival,100.910367,-,9,0
Service,100.910367,2,9,0
Departure,105.264881,2,9,0
Arrival,110.643626,-,10,0
Service,110.643626,2,10,0
Departure,116.330310,1,8,0
Departure,134.100175,2,10,0

---

src/customer.csv

Customer,Server,Arrival Time,Service Start Time,Departure Time,Service Duration,Sojourn Time
1,1,3.831861,3.831861,30.120278,26.288417,26.288417
2,1,32.658025,32.658025,38.956376,6.298351,6.298351
3,2,35.583797,35.583797,38.588969,3.005172,3.005172
4,1,66.700297,66.700297,83.365047,16.664749,16.664749
5,2,68.364206,68.364206,68.501284,0.137079,0.137079
6,2,71.539743,71.539743,80.422949,8.883206,8.883206
7,1,96.556605,96.556605,97.061071,0.504466,0.504466
8,1,100.593244,100.593244,116.330310,15.737065,15.737065
9,2,100.910367,100.910367,105.264881,4.354513,4.354513
10,2,110.643626,110.643626,134.100175,23.456549,23.456549