private static void batch_sls_qualitfied_runTime_distributions(File file) {
System.out.println("BATCH BEGINS");
if (!file.isDirectory()) {
System.out.println("The file '" + file.getName() + "' is not a directory.");
return;
}
// A filter to avoid the system hidden files, like '.DS_Store' on MAC OS.
FilenameFilter filter =
new FilenameFilter() {
@Override
public boolean accept(File dir, String name) {
return !name.equals(".DS_Store");
}
};
File[] files = file.listFiles(filter);
System.out.println("On files:");
for (File f : files) {
System.out.println(f.getName());
}
System.out.println("Computations:");
// -------------------------------------------------------
// We look at the 2 SLS algorithms (only slack init mode).
// First the SA:
// -------------------------------------------------------
int pivotingMode = SA_MODE;
int neighbourhoodMode = INSERT_MODE;
int initMode = SLACK_INIT;
Algorithm itImp = new Algorithm(pivotingMode, neighbourhoodMode, initMode, ILS_OFF);
for (File instanceFile : files) {
try (BufferedWriter writer =
new BufferedWriter(
new FileWriter(
Algorithm.MAX_RELATIVE_PERCENTAGE_DEVIATION
+ " "
+ Algorithm.ILS_MODES[Algorithm.ILS_OFF]
+ " "
+ instanceFile.getName())); ) {
// Run each algorithm 5 times on each instance:
long runTime = 0;
Map<String, Object> results = null;
for (int i = 0; i < 25; ++i) {
results = itImp.findSolutionWithMinimalQuality(instanceFile);
runTime = (Long) results.get(COMPUTATION_TIME);
// Change these 2 lines to change the content of the results files for each algorithm:
writer.write(runTime + "\n");
writer.flush();
}
} catch (IOException e) {
e.printStackTrace();
System.out.println(e.getMessage());
}
}
// -------------------------------------------------------
// Then the ILS:
// -------------------------------------------------------
pivotingMode = FIRST_MODE;
neighbourhoodMode = INSERT_MODE;
initMode = SLACK_INIT;
itImp = new Algorithm(pivotingMode, neighbourhoodMode, initMode, ILS_ON);
for (File instanceFile : files) {
try (BufferedWriter writer =
new BufferedWriter(
new FileWriter(
Algorithm.MAX_RELATIVE_PERCENTAGE_DEVIATION
+ " "
+ Algorithm.ILS_MODES[Algorithm.ILS_ON]
+ " "
+ instanceFile.getName())); ) {
// Run each algorithm 5 times on each instance:
long runTime = 0;
Map<String, Object> results = null;
for (int i = 0; i < 25; ++i) {
results = itImp.findSolutionWithMinimalQuality(instanceFile);
runTime = (Long) results.get(COMPUTATION_TIME);
// Change these 2 lines to change the content of the results files for each algorithm:
writer.write(runTime + "\n");
writer.flush();
}
} catch (IOException e) {
e.printStackTrace();
System.out.println(e.getMessage());
}
}
}
