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PreliminaryInstances_Violins.m
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PreliminaryInstances_Violins.m
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addpath(genpath('..\'))
%% Common parameters
addpath(genpath('..\'))
maxProcessingTime = 10;
minProcessingTime = 0;
maxMachineID = 4;
minMachineID = 1;
nbJobsPerInstance = 3;
nbActivititiesPerInstance = 4;
processingTimeDelta = maxProcessingTime - minProcessingTime;
machineIDDelta = maxMachineID - minMachineID;
% %% Generate and store instances
% nbInstancesToGenerate = 30;
% baseStr = sprintf('GeneratedJSSPInstance_%s_%djobs_%dmachs',getTimeStringForFileStorage,nbJobsPerInstance, nbActivititiesPerInstance);
% for instanceID = 1 : nbInstancesToGenerate
% fileName = sprintf('%s_Inst%d.mat', baseStr, instanceID);
% instanceData = nan(nbJobsPerInstance, nbActivititiesPerInstance, 2);
% instanceData(:,:,1) = rand(nbJobsPerInstance, nbActivititiesPerInstance)*processingTimeDelta + minProcessingTime;
% instanceData(:,:,2) = randi(maxMachineID, nbJobsPerInstance, nbActivititiesPerInstance) - 1 + minMachineID;
% instance = JSSPInstance(instanceData);
% allInstances{instanceID} = instance;
% save(fileName, 'instance', 'maxProcessingTime', 'minProcessingTime', 'maxMachineID', 'minMachineID', 'instanceData');
% fprintf('Instance %d / %d successfully generated!\n', instanceID, nbInstancesToGenerate)
% end
%%
nbInstancesToLoad = 30;
% oldTimeString = '2020_May_27_17_00_16';
oldTimeString = '2020_May_27_19_04_33';
baseStr = sprintf('GeneratedJSSPInstance_%s_%djobs_%dmachs',oldTimeString,nbJobsPerInstance, nbActivititiesPerInstance);
for instanceID = 1 : nbInstancesToLoad
fileName = sprintf('%s_Inst%d.mat', baseStr, instanceID);
load(fileName)
allInstances{instanceID} = instance;
fprintf('Instance %d / %d successfully loaded!\n', instanceID, nbInstancesToLoad)
end
%% Solve each instance with all heuristics
allHeuristicIDs = 1:2;
nbInstances = length(allInstances);
nbSolvers = length(allHeuristicIDs);
heuristicMakespans = zeros(nbInstances, nbSolvers);
for heuristicID = allHeuristicIDs
for instanceID = 1 : nbInstances
thisInstance = allInstances{instanceID};
heuristicMakespans(instanceID, heuristicID) = JSSPSolveInstance(thisInstance, heuristicID);
thisInstance.reset();
end
end
violindata = heuristicMakespans(:,2)-heuristicMakespans(:,1);
%%
folder=pwd;
folder1="PreliminaryStage";
folder2="PreliminaryInstances";
LPTFolder="LPTvsSPT_Small";
SPTFolder="SPTvsLPT_Small";
nbJobs = [3]; %number of jobs desired
nbMachines = [4]; %number of machines desired
nbRep = 30; %Number of instances per combination
timeRanges = [0 10];
oldfolder= cd(folder1);
oldfolder= cd(folder2);
oldfolder= cd(LPTFolder);
for NB=1:nbRep
address= char("JSSPInstanceJ"+num2str(nbJobs)+"M"+num2str(nbMachines)+"T1"+num2str(timeRanges(1)) ...
+"T2"+num2str(timeRanges(2))+"Rep"+num2str(NB)+"LPTvsSPT.mat");
load(address)
a=nan;
oldfolder=cd(folder)
makespan1= makespan(JSSPInstance{1}, 1);
makespan2= makespan(JSSPInstance{1}, 2);
delta= makespan2-makespan1;
Violin_1(NB,1)=delta;
oldfolder= cd(folder1);
oldfolder= cd(folder2);
oldfolder= cd(LPTFolder);
end
oldfolder= cd(folder)
oldfolder= cd(folder1)
oldfolder= cd(folder2)
oldfolder= cd(SPTFolder)
for NB=1:nbRep
address= char("JSSPInstanceJ"+num2str(nbJobs)+"M"+num2str(nbMachines)+"T1"+num2str(timeRanges(1)) ...
+"T2"+num2str(timeRanges(2))+"Rep"+num2str(NB)+"SPTvsLPT.mat");
load(address)
a=nan;
oldfolder= cd(folder);
makespan1= makespan(JSSPInstance{1}, 1);
makespan2= makespan(JSSPInstance{1}, 2);
delta= makespan2-makespan1;
Violin_2(NB,1)=delta;
oldfolder= cd(folder1);
oldfolder= cd(folder2);
oldfolder= cd(SPTFolder);
end
oldfolder= cd(folder);
PreliminaryViolin(:,1)=violindata(:,1);
PreliminaryViolin(:,2)=Violin_1(:,1);
PreliminaryViolin(:,3)=Violin_2(:,1);
PreliminaryViolin1=violindata(:,1);
PreliminaryViolin2=Violin_1(:,1);
PreliminaryViolin3=Violin_2(:,1);
%%
CATEGORYNAMES = {"Random" "LPT" "SPT"};
violinplot(PreliminaryViolin, CATEGORYNAMES, 'width', 0.3, 'violinalpha', 0.55, 'ShowData', false)
ylabel("Makespan difference (SPT-LPT)")
xlabel("Instance generation focus")
ylim([-70 80])
figure
CATEGORYNAMES = {"Random"};
violinplot(PreliminaryViolin1, CATEGORYNAMES, 'width', 0.3, 'violinalpha', 0.55, 'ShowData', false)
ylabel("Makespan difference (SPT-LPT)")
xlabel("Instance generation focus")
ylim([-70 80])
figure
CATEGORYNAMES = {"LPT"};
violinplot(PreliminaryViolin2, CATEGORYNAMES, 'width', 0.3, 'violinalpha', 0.55, 'ShowData', false)
ylabel("Makespan difference (SPT-LPT)")
xlabel("Instance generation focus")
ylim([-70 80])
figure
CATEGORYNAMES = {"SPT"};
violinplot(PreliminaryViolin3, CATEGORYNAMES, 'width', 0.3, 'violinalpha', 0.55, 'ShowData', false)
ylabel("Makespan difference (SPT-LPT)")
xlabel("Instance generation focus")
ylim([-70 80])