Skip to content
Open
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion README.md
Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@

[![process-scheduling-solver](https://user-images.githubusercontent.com/19908657/120210473-6874ca00-c262-11eb-96a2-5c4742fea816.png)](https://boonsuen.com/process-scheduling-solver)

Get it here: [process-scheduling-solver.boonsuen.com](https://process-scheduling-solver.boonsuen.com)
Get it here: [https://process-scheduling-solver-two.vercel.app](https://process-scheduling-solver-two.vercel.app)

## Supported algorithms

Expand Down
99 changes: 46 additions & 53 deletions src/algorithms/fcfs.ts
Original file line number Diff line number Diff line change
@@ -1,58 +1,51 @@
import { ganttChartInfoType } from '.';
import { GanttChartInfoType } from '.';

export const fcfs = (arrivalTime: number[], burstTime: number[]) => {
const processesInfo = arrivalTime
.map((item, index) => {
const job =
arrivalTime.length > 26
? `P${index + 1}`
: (index + 10).toString(36).toUpperCase();

return {
job,
at: item,
bt: burstTime[index],
};
})
.sort((obj1, obj2) => {
if (obj1.at > obj2.at) {
return 1;
}
if (obj1.at < obj2.at) {
return -1;
}
return 0;
const processesInfo = arrivalTime
.map((item, index) => ({
job: index,
at: item,
bt: burstTime[index],
}))
.sort((obj1, obj2) => {
if (obj1.at > obj2.at) {
return 1;
}
if (obj1.at < obj2.at) {
return -1;
}
return 0;
});

const finishTime: number[] = [];
const ganttChartInfo: GanttChartInfoType = [];

const solvedProcessesInfo = processesInfo.map((process, index) => {
if (index === 0 || process.at > finishTime[index - 1]) {
finishTime[index] = process.at + process.bt;

ganttChartInfo.push({
job: process.job,
start: process.at,
stop: finishTime[index],
});
} else {
finishTime[index] = finishTime[index - 1] + process.bt;

ganttChartInfo.push({
job: process.job,
start: finishTime[index - 1],
stop: finishTime[index],
});
}

return {
...process,
ft: finishTime[index],
tat: finishTime[index] - process.at,
wat: finishTime[index] - process.at - process.bt,
};
});

let finishTime: number[] = [];
let ganttChartInfo: ganttChartInfoType = [];

const solvedProcessesInfo = processesInfo.map((process, index) => {
if (index === 0 || process.at > finishTime[index - 1]) {
finishTime[index] = process.at + process.bt;

ganttChartInfo.push({
job: process.job,
start: process.at,
stop: finishTime[index],
});
} else {
finishTime[index] = finishTime[index - 1] + process.bt;

ganttChartInfo.push({
job: process.job,
start: finishTime[index - 1],
stop: finishTime[index],
});
}

return {
...process,
ft: finishTime[index],
tat: finishTime[index] - process.at,
wat: finishTime[index] - process.at - process.bt,
};
});

return { solvedProcessesInfo, ganttChartInfo };
return { solvedProcessesInfo, ganttChartInfo };
};
64 changes: 32 additions & 32 deletions src/algorithms/index.ts
Original file line number Diff line number Diff line change
Expand Up @@ -6,42 +6,42 @@ import { npp } from './npp';
import { pp } from './pp';
import { AlgoType } from '../components/Input/AlgoSelect';

export type ganttChartInfoType = {
job: string;
start: number;
stop: number;
export type GanttChartInfoType = {
job: number;
start: number;
stop: number;
}[];

export type solvedProcessesInfoType = {
job: string;
at: number;
bt: number;
ft: number;
tat: number;
wat: number;
export type SolvedProcessesInfoType = {
job: number;
at: number;
bt: number;
ft: number;
tat: number;
wat: number;
}[];

export const solve = (
algo: AlgoType,
arrivalTime: number[],
burstTime: number[],
timeQuantum: number,
priorities: number[]
algo: AlgoType,
arrivalTime: number[],
burstTime: number[],
timeQuantum: number,
priorities: number[]
) => {
switch (algo) {
case 'FCFS':
return fcfs(arrivalTime, burstTime);
case 'SJF':
return sjf(arrivalTime, burstTime);
case 'SRTF':
return srtf(arrivalTime, burstTime);
case 'RR':
return rr(arrivalTime, burstTime, timeQuantum);
case 'NPP':
return npp(arrivalTime, burstTime, priorities);
case 'PP':
return pp(arrivalTime, burstTime, priorities);
default:
break;
}
switch (algo) {
case 'FCFS':
return fcfs(arrivalTime, burstTime);
case 'SJF':
return sjf(arrivalTime, burstTime);
case 'SRTF':
return srtf(arrivalTime, burstTime);
case 'RR':
return rr(arrivalTime, burstTime, timeQuantum);
case 'NPP':
return npp(arrivalTime, burstTime, priorities);
case 'PP':
return pp(arrivalTime, burstTime, priorities);
default:
break;
}
};
Loading