From c7b473279714cf83dd8a4bca0d3c9a08511d021a Mon Sep 17 00:00:00 2001
From: Dante Niewenhuis <d.niewenhuis@hotmail.com>
Date: Fri, 9 Jan 2026 17:00:50 +0100
Subject: Fixed a bug that caused tasked to run much longer when supply was
 changed during runtime. (#386)

---
 .../java/org/opendc/compute/simulator/service/ComputeService.java     | 2 +-
 .../org/opendc/simulator/compute/workload/trace/SimTraceWorkload.java | 4 ++--
 .../org/opendc/simulator/compute/workload/trace/TraceWorkload.java    | 2 ++
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/opendc-compute/opendc-compute-simulator/src/main/java/org/opendc/compute/simulator/service/ComputeService.java b/opendc-compute/opendc-compute-simulator/src/main/java/org/opendc/compute/simulator/service/ComputeService.java
index f4adaac1..8ff78dae 100644
--- a/opendc-compute/opendc-compute-simulator/src/main/java/org/opendc/compute/simulator/service/ComputeService.java
+++ b/opendc-compute/opendc-compute-simulator/src/main/java/org/opendc/compute/simulator/service/ComputeService.java
@@ -591,7 +591,7 @@ public final class ComputeService implements AutoCloseable, CarbonReceiver {
     public static class Builder {
         private final Dispatcher dispatcher;
         private final ComputeScheduler computeScheduler;
-        private Duration quantum = Duration.ofSeconds(1);
+        private Duration quantum = Duration.ofMillis(1);
         private int maxNumFailures = 10;
 
         Builder(Dispatcher dispatcher, ComputeScheduler computeScheduler) {
diff --git a/opendc-simulator/opendc-simulator-compute/src/main/java/org/opendc/simulator/compute/workload/trace/SimTraceWorkload.java b/opendc-simulator/opendc-simulator-compute/src/main/java/org/opendc/simulator/compute/workload/trace/SimTraceWorkload.java
index 5e8744d0..fd1a356e 100644
--- a/opendc-simulator/opendc-simulator-compute/src/main/java/org/opendc/simulator/compute/workload/trace/SimTraceWorkload.java
+++ b/opendc-simulator/opendc-simulator-compute/src/main/java/org/opendc/simulator/compute/workload/trace/SimTraceWorkload.java
@@ -329,7 +329,6 @@ public class SimTraceWorkload extends SimWorkload implements FlowConsumer {
      */
     @Override
     public void stopWorkload() {
-
         // If the workload is stopped due to an error or failure, calculate the wasted time for bookkeeping.
         if (this.totalRemainingWork > 0.0 || !this.remainingFragments.isEmpty()) {
             // Failure
@@ -462,6 +461,7 @@ public class SimTraceWorkload extends SimWorkload implements FlowConsumer {
      */
     @Override
     public void handleIncomingSupply(FlowEdge supplierEdge, double newSupply, ResourceType resourceType) {
+
         // for cases where equal share or fixed share is used and the resource is provided despite not being used
         if (!this.usedResourceTypes.contains(resourceType)) {
             return;
@@ -473,8 +473,8 @@ public class SimTraceWorkload extends SimWorkload implements FlowConsumer {
         this.resourcesSupplied[resourceType.ordinal()] = newSupply;
 
         long now = this.clock.millis();
-        this.startOfFragment = now;
         long passedTime = getPassedTime(now);
+        this.startOfFragment = now;
 
         this.updateRemainingWork(passedTime);
         this.updateRemainingTime();
diff --git a/opendc-simulator/opendc-simulator-compute/src/main/java/org/opendc/simulator/compute/workload/trace/TraceWorkload.java b/opendc-simulator/opendc-simulator-compute/src/main/java/org/opendc/simulator/compute/workload/trace/TraceWorkload.java
index 161a8041..6cf02df8 100644
--- a/opendc-simulator/opendc-simulator-compute/src/main/java/org/opendc/simulator/compute/workload/trace/TraceWorkload.java
+++ b/opendc-simulator/opendc-simulator-compute/src/main/java/org/opendc/simulator/compute/workload/trace/TraceWorkload.java
@@ -190,6 +190,8 @@ public class TraceWorkload implements Workload {
             this.checkpointIntervalScaling = checkpointIntervalScaling;
             this.scalingPolicy = scalingPolicy;
             this.taskId = taskId;
+
+            this.resourceTypes[ResourceType.CPU.ordinal()] = ResourceType.CPU;
         }
 
         /**
-- 
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