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Added braces to loops in main class

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Added debugging code to best fit and worst fit
This commit is contained in:
David Weber
2012-11-27 04:39:37 -05:00
parent 964248fda7
commit 74a3b51404
3 changed files with 56 additions and 37 deletions
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37
BestFitAlgorithm.java
View File

@ -56,18 +56,21 @@ public class BestFitAlgorithm implements baseAlgorithm{
}
}
}
//System.out.println("Size of indices array: " + indices.size());
//System.out.println("Size of sizes array: " + blocks.size());
System.out.println("Size of indices array: " + indices.size());
System.out.println("Size of sizes array: " + blocks.size());
for(int i = 0; i < blocks.size(); i++)
{
//System.out.println("Index: " + indices.get(i));
//System.out.println("Size: " + blocks.get(i));
System.out.println("Index: " + indices.get(i));
System.out.println("Size: " + blocks.get(i));
}
int bSize = -1;
int bestIndex = -1;
int bSize = blocks.get(0).intValue();
if(!blocks.isEmpty())
{
bestIndex = indices.get(0).intValue();
bSize = blocks.get(0).intValue();
}
//GET BEST INDEX
for(int i = 0; i < blocks.size(); i++)
@ -78,16 +81,17 @@ public class BestFitAlgorithm implements baseAlgorithm{
//Best possible fit. You're done.
//System.out.println("Best Case");
bestIndex = indices.get(i).intValue();
return bestIndex;
}
else if((blocks.get(i).intValue() <= bSize && blocks.get(i).intValue() >= jobSize) || blocks.get(i).intValue() > -1)
{
bestIndex = indices.get(i).intValue();
return bestIndex;
}
}
//System.out.println("bestIndex: " + bestIndex);
//System.out.println("bSize: " + bSize);
return bestIndex;
}
@ -108,7 +112,7 @@ public class BestFitAlgorithm implements baseAlgorithm{
if(bestSizeIndex == -1)
{
//Compact and try again
//System.out.println("Compacting memory...");
System.out.println("Compacting memory...");
this.compact();
bestSizeIndex = this.getBestIndex(jobSize);
}
@ -121,12 +125,12 @@ public class BestFitAlgorithm implements baseAlgorithm{
{
for(int i = bestSizeIndex; i < jobSize + bestSizeIndex; i++)
{
//System.out.println("Writing jobID: " + jobID + " to position " + i + " in memory block!");
System.out.println("Writing jobID: " + jobID + " to position " + i + " in memory block that has a pre-existing value of: " + this.memoryBlock[i]);
this.memoryBlock[i] = jobID;
}
}
//System.out.println("Successfully allocated! Starting job...");
System.out.println("Successfully allocated! Starting job...");
Job newJob = new Job(jobSize, jobID, jobSize, bestSizeIndex, deallocateMethod, this);
@ -134,12 +138,14 @@ public class BestFitAlgorithm implements baseAlgorithm{
newJob.start();
//System.out.println("Job started!");
System.out.println("Job started!");
}
}
catch (Exception e)
{
//System.out.println("Could not allocate job with ID " + jobID);
System.out.println("Oops");
e.printStackTrace();
System.exit(-1);
}
}
/*
@ -191,9 +197,10 @@ public class BestFitAlgorithm implements baseAlgorithm{
{
synchronized(memoryBlock)
{
for(int i = beginningLocation; i < jobSize + beginningLocation; i++)
for (int x = 0; x < jobSize; x++)
{
memoryBlock[i] = 0;
System.out.println("Deallocating job at: " + "Location: " + beginningLocation + " Position: " + x);
memoryBlock[beginningLocation + x] = 0;
}
}
}

11
WorstFitAlgorithm.java
View File

@ -138,9 +138,10 @@ public class WorstFitAlgorithm implements baseAlgorithm{
//System.out.println("Job started!");
}
}
catch (Exception e)
catch (Exception e)
{
//System.out.println("Could not allocate job with ID " + jobID);
e.printStackTrace();
System.exit(-1);
}
}
/*
@ -188,11 +189,11 @@ public class WorstFitAlgorithm implements baseAlgorithm{
@Override
public void deallocate(int jobSize, int beginningLocation)
{
synchronized(memoryBlock)
synchronized(memoryBlock)
{
for(int i = beginningLocation; i < jobSize + beginningLocation; i++)
for (int x = 0; x < jobSize; x++)
{
memoryBlock[i] = 0;
memoryBlock[beginningLocation + x] = 0;
}
}
}

45
memoryManagement.java
View File

@ -43,8 +43,10 @@ public class memoryManagement{
System.out.println("Type filename to load jobs from a file or just press enter for random jobs");
read = keyboard.nextLine();
file = new File(read + ".txt");
if(!read.equals("") && !file.exists())
System.out.println("File not found, try again");
if(!read.equals("") && !file.exists())
{
System.out.println("File not found, try again");
}
}while(!read.equals("") && !file.exists());
//Create random jobs or read from the file and create jobs
@ -75,19 +77,23 @@ public class memoryManagement{
//Send jobs to algorithm, time is calculated and printed out after completion
//Note that we use `jobLength - 1` to compensate for the id above
//Threaded Fit
System.out.print("Sending jobs to threaded allocation algorithm...");
timeStart[0] = System.currentTimeMillis();
for(int i = 0; i < jobLength - 1; i++)
threadedFit.allocate(id[i], size[i], time[i]);
for(int i = 0; i < jobLength - 1; i++) {
threadedFit.allocate(id[i], size[i], time[i]);
}
timeEnd[0] = System.currentTimeMillis() - timeStart[0];
System.out.println("complete");
System.out.println("Elapsed time for threaded allocation algorithm to complete " + jobLength + " jobs is " + timeEnd[0] + " milliseconds");
//Best Fit
System.out.print("Sending jobs to best fit allocation algorithm...");
System.out.print("Sending jobs to best fit allocation algorithm...\n");
timeStart[1] = System.currentTimeMillis();
for(int i = 0; i < jobLength - 1; i++)
bestFit.allocate(id[i], size[i], time[i]);
for(int i = 0; i < jobLength - 1; i++) {
System.out.println("**********NEXT ITERATION***********");
bestFit.allocate(id[i], size[i], time[i]);
}
timeEnd[1] = System.currentTimeMillis() - timeStart[1];
System.out.println("complete");
System.out.println("Elapsed time for best fit allocation algorithm to complete " + jobLength + " jobs is " + timeEnd[1] + " milliseconds");
@ -95,8 +101,9 @@ public class memoryManagement{
//Worst Fit
System.out.print("Sending jobs to worst fit allocation algorithm...");
timeStart[2] = System.currentTimeMillis();
for(int i = 0; i < jobLength - 1; i++)
worstFit.allocate(id[i], size[i], time[i]);
for(int i = 0; i < jobLength - 1; i++) {
worstFit.allocate(id[i], size[i], time[i]);
}
timeEnd[2] = System.currentTimeMillis() - timeStart[2];
System.out.println("complete");
System.out.println("Elapsed time for worst fit allocation algorithm to complete " + jobLength + " jobs is " + timeEnd[2] + " milliseconds");
@ -104,8 +111,9 @@ public class memoryManagement{
//First Fit
System.out.print("Sending jobs to first fit allocation algorithm...");
timeStart[3] = System.currentTimeMillis();
for(int i = 0; i < jobLength - 1; i++)
firstFit.allocate(id[i], size[i], time[i]);
for(int i = 0; i < jobLength - 1; i++) {
firstFit.allocate(id[i], size[i], time[i]);
}
timeEnd[3] = System.currentTimeMillis() - timeStart[3];
System.out.println("complete");
System.out.println("Elapsed time for first fit allocation algorithm to complete " + jobLength + " jobs is " + timeEnd[3] + " milliseconds");
@ -113,8 +121,9 @@ public class memoryManagement{
//Next Fit
System.out.print("Sending jobs to next fit allocation algorithm...");
timeStart[4] = System.currentTimeMillis();
for(int i = 0; i < jobLength - 1; i++)
nextFit.allocate(id[i], size[i], time[i]);
for(int i = 0; i < jobLength - 1; i++) {
nextFit.allocate(id[i], size[i], time[i]);
}
timeEnd[4] = System.currentTimeMillis() - timeStart[4];
System.out.println("complete");
System.out.println("Elapsed time for next fit allocation algorithm to complete " + jobLength + " jobs is " + timeEnd[4] + " milliseconds");
@ -122,10 +131,12 @@ public class memoryManagement{
System.out.print("Printing to log...");
out.println("Memory Management Log");
out.println("---------------------------");
if(read.equals(""))
out.println("Job Assignment: Random");
else
out.println("Job Assignment: " + read + ".txt");
if(read.equals("")) {
out.println("Job Assignment: Random");
}
else {
out.println("Job Assignment: " + read + ".txt");
}
out.println("Job Amount: " + jobLength);
out.println("Memory Size: " + MEMORYSIZE);
out.println("---------------------------");