diff --git a/src/main/java/fr/ntr/Main.java b/src/main/java/fr/ntr/Main.java
index cccfd09..b5d412d 100644
--- a/src/main/java/fr/ntr/Main.java
+++ b/src/main/java/fr/ntr/Main.java
@@ -7,6 +7,8 @@ import fr.ntr.scheduler.Scheduler;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
 
 public class Main {
 
@@ -26,17 +28,18 @@ public class Main {
             }
             int timeSlotNb = 2;
             int subCarrierNb = 100;
-            for(int i = 2; i <= maximumLoad; i += 2) {
-                List<User> users = generateUsers(i, timeSlotNb, subCarrierNb);
-                ResourceBlock[][] frame = new ResourceBlock[timeSlotNb][subCarrierNb];
-                //Scheduler scheduler = new MaxSNR(frame, users);
-                // Scheduler scheduler = new ProportionalFair(frame, users);
-                Scheduler scheduler = new RoundRobin(frame, users);
-                AccessPoint accessPoint = new AccessPoint(scheduler, frame, users, timeSlotNb, subCarrierNb, 0, 50);
-                accessPoint.startSimulation(numberOfTicks);
+            try(ExecutorService executor = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors())) {
+                for(int i = 2; i <= maximumLoad; i += 2) {
+                    List<User> users = generateUsers(i, timeSlotNb, subCarrierNb);
+                    ResourceBlock[][] frame = new ResourceBlock[timeSlotNb][subCarrierNb];
+                    //Scheduler scheduler = new MaxSNR(frame, users);
+                    // Scheduler scheduler = new ProportionalFair(frame, users);
+                    Scheduler scheduler = new RoundRobin(frame, users);
+                    AccessPoint accessPoint = new AccessPoint(scheduler, frame, users, timeSlotNb, subCarrierNb, 0, 50);
+                    executor.submit(() -> accessPoint.startSimulation(numberOfTicks));
+                }
             }
-        }
-        else {
+        } else {
             System.err.println("Please give launch arguments");
             System.err.println("gradle run --args=\"<number of ticks> <number of users>\"");
             System.exit(1);