NanoBrain/NanoBrain-unitypackage
NanoBrain/NanoBrain-unitypackage
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Fix aging of neurons

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This commit is contained in:
Pascal Serrarens 2026-04-20 09:26:36 +02:00
parent e2e169ca60
commit c8f0f0c9da
3 changed files with 47 additions and 11 deletions
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21
Runtime/Scripts/Core/Cluster.cs
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@ -382,14 +382,21 @@ namespace NanoBrain {
}
// Otherwise find the stalest cluster?
Cluster stalestCluster = this.siblingClusters[0];
for (int ix = 1; ix < this.siblingClusters.Length; ix++) {
if (this.siblingClusters[ix].defaultOutput.stale > stalestCluster.defaultOutput.stale)
stalestCluster = this.siblingClusters[ix];
}
// Cluster stalestCluster = this.siblingClusters[0];
// for (int ix = 1; ix < this.siblingClusters.Length; ix++) {
// if (this.siblingClusters[ix].defaultOutput.stale > stalestCluster.defaultOutput.stale)
// stalestCluster = this.siblingClusters[ix];
// }
RemoveThingCluster(stalestCluster);
return stalestCluster;
// Otherwise find longest unused cluster
Cluster unusedCluster = this.siblingClusters[0];
for (int ix = 1; ix < this.siblingClusters.Length; ix++) {
if (this.siblingClusters[ix].defaultOutput.lastUpdate < unusedCluster.defaultOutput.lastUpdate)
unusedCluster = this.siblingClusters[ix];
}
RemoveThingCluster(unusedCluster);
return unusedCluster;
}
private void RemoveThingCluster(Cluster cluster) {

31
Runtime/Scripts/Core/Neuron.cs
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@ -213,11 +213,23 @@ namespace NanoBrain {
public Action WhenFiring;
public virtual bool isSleeping => this.outputMagnitude == 0;
public virtual bool isSleeping => Time.time - this.lastUpdate > this.timeToSleep; //this.outputMagnitude == 0;
public void SleepCheck() {
if (this.isSleeping) {
#if UNITY_MATHEMATICS
this.bias = new float3(0, 0, 0);
#else
this.bias = new Vector3(0,0,0);
#endif
}
}
// [NonSerialized]
// public int stale = 1000;
[NonSerialized]
public int stale = 1000;
public readonly int staleValueForSleep = 20;
public float lastUpdate = 0;
// public readonly int staleValueForSleep = 20;
public readonly float timeToSleep = 1f;
/// \copydoc NanoBrain::Nucleus::ShallowCloneTo
public override Nucleus ShallowCloneTo(Cluster newParent) {
@ -288,8 +300,18 @@ namespace NanoBrain {
}
public override void UpdateStateIsolated() {
CheckSleepingSynapses();
var result = Combinator();
this.outputValue = Activator(result);
this.lastUpdate = Time.time;
}
protected void CheckSleepingSynapses() {
foreach (Synapse synapse in this.synapses) {
if (synapse.isSleeping) {
synapse.neuron.outputValue = Vector3.zero;
}
}
}
#region Combinator
@ -524,7 +546,8 @@ namespace NanoBrain {
}
public void ProcessStimulusDirect(Vector3 inputValue) { //}, int thingId = 0, string thingName = null) {
this.stale = 0;
// this.stale = 0;
this.lastUpdate = Time.time;
this.bias = inputValue;
this.parent.UpdateFromNucleus(this);
}

6
Runtime/Scripts/Core/Synapse.cs
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@ -28,6 +28,12 @@ namespace NanoBrain {
this.neuron = nucleus;
this.weight = weight;
}
public bool isSleeping {
get {
return this.neuron.isSleeping;
}
}
}
}