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Code Issues Releases Wiki Activity

Updated MemoryManagement for all algorithms

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Michael 2012-11-20 19:08:09 -05:00
parent e6e1a8b634
commit 621b786bdc
1 changed files with 69 additions and 52 deletions
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109
memoryManagement.java
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@ -3,6 +3,7 @@
*/ */
import java.io.File; import java.io.File;
import java.io.PrintWriter;
import java.util.Random; import java.util.Random;
import java.util.Scanner; import java.util.Scanner;
import java.util.StringTokenizer; import java.util.StringTokenizer;
@ -15,6 +16,7 @@ public class memoryManagement{
public static void main(String args[])throws Exception{ public static void main(String args[])throws Exception{
File file = new File("null"); File file = new File("null");
PrintWriter out = new PrintWriter(new File("log.txt"));
Scanner keyboard = new Scanner(System.in); Scanner keyboard = new Scanner(System.in);
Scanner fileScan; Scanner fileScan;
StringTokenizer token; StringTokenizer token;
@ -22,7 +24,7 @@ public class memoryManagement{
String read = null; String read = null;
int jobLength = 0; int jobLength = 0;
long timeStart, timeEnd; long[] timeStart = new long[5], timeEnd = new long[5];
//*Job Info* //*Job Info*
int[] id = new int[JOBAMOUNT]; int[] id = new int[JOBAMOUNT];
@ -30,12 +32,11 @@ public class memoryManagement{
int[] time = new int[JOBAMOUNT]; int[] time = new int[JOBAMOUNT];
//******Add your algorithm class here******// //******Add your algorithm class here******//
//baseAlgorithm alg = new dummyAlgorithm(MEMORYSIZE); threadedAllocation threadedFit = new threadedAllocation(MEMORYSIZE);
threadedAllocation Bradlee_Speice = new threadedAllocation(MEMORYSIZE); FirstFit firstFit = new FirstFit();
//FirstFit David01 = new FirstFit(); NextFit nextFit = new NextFit();
//NextFit David02 = new NextFit(); BestFitAlgorithm bestFit = new BestFitAlgorithm(MEMORYSIZE);
BestFitAlgorithm David_Weber_BestFit = new BestFitAlgorithm(MEMORYSIZE); WorstFitAlgorithm worstFit = new WorstFitAlgorithm(MEMORYSIZE);
WorstFitAlgorithm David_Weber_WorstFit = new WorstFitAlgorithm(MEMORYSIZE);
//Gets a file name, else creates five random jobs //Gets a file name, else creates five random jobs
do{ do{
@ -52,8 +53,8 @@ public class memoryManagement{
jobLength = JOBAMOUNT; jobLength = JOBAMOUNT;
for(int i = 0; i < jobLength; i++){ for(int i = 0; i < jobLength; i++){
id[i] = i+1; id[i] = i+1;
size[i] = rand.nextInt(5)+1; size[i] = rand.nextInt(MEMORYSIZE / 10)+1;
time[i] = rand.nextInt(1000)+2001; time[i] = rand.nextInt(5000)+ 101;
} }
System.out.println("complete"); System.out.println("complete");
} }
@ -71,51 +72,67 @@ public class memoryManagement{
System.out.println(jobLength+" jobs found on file"); System.out.println(jobLength+" jobs found on file");
} }
//Send jobs to algorithm, time is calculated and printed out after completion //Send jobs to algorithm, time is calculated and printed out after completion
System.out.print("Sending jobs to threaded allocation algorithm...");
timeStart = System.currentTimeMillis();
//Note that we use `jobLength - 1` to compensate for the id above //Note that we use `jobLength - 1` to compensate for the id above
for(int i = 0; i < jobLength - 1; i++){ //Threaded Fit
Bradlee_Speice.allocate(id[i], size[i], time[i]); System.out.print("Sending jobs to threaded allocation algorithm...");
//David01.allocate(id[i], size[i], time[i]); timeStart[0] = System.currentTimeMillis();
//David02.allocate(id[i], size[i], time[i]); for(int i = 0; i < jobLength - 1; i++)
} threadedFit.allocate(id[i], size[i], time[i]);
timeEnd = System.currentTimeMillis() - timeStart; timeEnd[0] = System.currentTimeMillis() - timeStart[0];
System.out.println("complete"); System.out.println("complete");
System.out.println("Elapsed time for threaded allocation algorithm to complete " + jobLength + System.out.println("Elapsed time for threaded allocation algorithm to complete " + jobLength + " jobs is " + timeEnd[0] + " milliseconds");
" jobs is " + timeEnd + " milliseconds");
//Best Fit
System.out.print("Sending jobs to best fit allocation algorithm...");
timeStart[1] = System.currentTimeMillis();
for(int i = 0; i < jobLength - 1; i++)
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");
//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]);
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");
//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]);
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");
//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]);
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");
//***Best Fit (David Weber)*** System.out.println("Printing to log...");
timeStart = System.currentTimeMillis(); out.println("Memory Management Log");
for(int i = 0; i < jobLength - 1; i++){ out.println("---------------------------");
David_Weber_BestFit.allocate(id[i], size[i], time[i]); out.println("Job Amount: " + jobLength);
} out.println("Memory Size: " + MEMORYSIZE);
timeEnd = System.currentTimeMillis() - timeStart; out.println("---------------------------");
System.out.println("complete"); out.println("Final Times (All times in milliseconds)");
System.out.println("Elapsed time for threaded best fit allocation algorithm to complete " + jobLength + " jobs is " + timeEnd + " milliseconds"); out.println("Threaded time: " + timeEnd[0]);
out.println("Best fit time: " + timeEnd[0]);
out.println("Worst fit time: " + timeEnd[0]);
out.println("First fit time: " + timeEnd[0]);
/* out.println("Next fit time: " + timeEnd[0]);
//***Worst Fit (David Weber)*** out.close();
timeStart = System.currentTimeMillis(); System.out.println("complete");
for(int i = 0; i < jobLength - 1; i++){
//David_Weber_WorstFit.allocate(id[i], size[i], time[i]);
}
timeEnd = System.currentTimeMillis() - timeStart;
System.out.println("complete");
System.out.println("Elapsed time for threaded worst fit allocation algorithm to complete " + jobLength + " jobs is " + timeEnd + " milliseconds");
*/
//Put other algorithms here.
System.out.println("Completed Successfully"); System.out.println("Completed Successfully");
//Forcibly close down all threads //Forcibly close down all threads