- RBM-Training has own thread

- realtime update of Weights and reconstruction during training
- realtime update of reconstruction on relevant parameters
- added progress bar


git-svn-id: http://moon:8086/svn/software/trunk/projects/RBM@26 b431acfa-c32f-4a4a-93f1-934dc6c82436

Source/Layer.hpp

@@ -146,11 +146,10 @@ protected:
 
 	void gaussProb(const VectorXd &x, double sigma)
 	{
+		uint32_t i;
 		double var = sigma*sigma;
 		double k = 1.0/sqrt(2*3.14159265359*var);
-		double mu = 1;
-
-		uint32_t i;
+		double mu = 0;
 
 		for (i=0; i < m_numUnits; i++)
 		{

Source/MainComponent.cpp

@@ -54,7 +54,8 @@ void mylog(const char* format, ...)
 
 //==============================================================================
 MainComponent::MainComponent ()
-    : m_layers(this),
+    : Thread("RBM"),
+      m_layers(this),
       m_pRbm(nullptr),
       DrawTraining(nullptr),
       DrawReconstruction(nullptr),
@@ -245,6 +246,9 @@ MainComponent::MainComponent ()
     sigmaDecayLabel->setColour (TextEditor::backgroundColourId, Colour (0x00000000));
     sigmaDecayLabel->addListener (this);
 
+    addAndMakeVisible (m_progressBar = new ProgressBar (m_trainingProgress));
+    m_progressBar->setName ("Progress Bar");
+
 
     //[UserPreSize]
 	m_vNumX = 16;
@@ -263,7 +267,8 @@ MainComponent::MainComponent ()
 
 
     //[Constructor] You can add your own custom stuff here..
-
+    m_trainingProgress = 0;
+    m_progressBar->setTextToDisplay("Finished");
     //[/Constructor]
 }
 
@@ -304,6 +309,7 @@ MainComponent::~MainComponent()
     rbmDoSparseToggleButton = nullptr;
     sparsityLabel = nullptr;
     sigmaDecayLabel = nullptr;
+    m_progressBar = nullptr;
 
 
     //[Destructor]. You can add your own custom destruction code here..
@@ -398,6 +404,7 @@ void MainComponent::resized()
     rbmDoSparseToggleButton->setBounds (24, 264, 128, 24);
     sparsityLabel->setBounds (208, 320, 72, 24);
     sigmaDecayLabel->setBounds (304, 320, 72, 24);
+    m_progressBar->setBounds (224, 160, 168, 24);
     //[UserResized] Add your own custom resize handling here..
     DrawTraining->setBounds (16, 16, 100, 100);
     DrawReconstruction->setBounds (110+16, 16, 100, 100);
@@ -414,7 +421,8 @@ void MainComponent::buttonClicked (Button* buttonThatWasClicked)
     if (buttonThatWasClicked == trainButton)
     {
         //[UserButtonCode_trainButton] -- add your button handler code here..
-    	m_pRbm->train(m_layers, numEpochslabel->getText().getIntValue(), learningRateLabel->getText().getFloatValue(), m_numGibbs);
+//    	m_pRbm->train(m_layers, numEpochslabel->getText().getIntValue(), learningRateLabel->getText().getFloatValue(), m_numGibbs);
+    	startThread();
     	redrawReconstruction();
     	redrawWeights((int)WeightsSlider->getValue());
         //[/UserButtonCode_trainButton]
@@ -478,7 +486,7 @@ void MainComponent::buttonClicked (Button* buttonThatWasClicked)
 		m_layers.clear();
 		m_layers.load((String(getBaseDir() + String(".trainingStates.dat"))).toUTF8());
 		redrawReconstruction();
-       //[/UserButtonCode_loadTrainingButton]
+        //[/UserButtonCode_loadTrainingButton]
     }
     else if (buttonThatWasClicked == saveTrainingButton)
     {
@@ -730,7 +738,9 @@ void MainComponent::onChanged(const LayerArray<VisibleLayer> &obj)
 void MainComponent::onEpochTrained(const Rbm &obj)
 {
 	m_trainingProgress = obj.getProgress();
-	mylog("Training %f %%\n", m_trainingProgress*100);
+//	mylog("Training %f %%\n", m_trainingProgress*100);
+	redrawReconstruction();
+	redrawWeights((int)WeightsSlider->getValue());
 }
 
 void MainComponent::onDraw(DrawComponent &obj)
@@ -776,6 +786,16 @@ void MainComponent::redrawWeights(int index)
 	DrawWeights->setData(temp);
 }
 
+void MainComponent::run()
+{
+	trainButton->setEnabled(false);
+	m_progressBar->setPercentageDisplay(true);
+	m_pRbm->train(m_layers, numEpochslabel->getText().getIntValue(), learningRateLabel->getText().getFloatValue(), m_numGibbs);
+	trainButton->setEnabled(true);
+	m_trainingProgress = 0.0;
+	m_progressBar->setTextToDisplay("Finished");
+}
+
 //[/MiscUserCode]
 
 
@@ -789,8 +809,8 @@ void MainComponent::redrawWeights(int index)
 BEGIN_JUCER_METADATA
 
 <JUCER_COMPONENT documentType="Component" className="MainComponent" componentName=""
-                 parentClasses="public Component, public LayerArrayListener&lt;VisibleLayer&gt;, public RbmListener, public DrawListener"
-                 constructorParams="" variableInitialisers="m_layers(this),&#10;m_pRbm(nullptr)&#10;DrawTraining(nullptr),&#10;DrawReconstruction(nullptr),&#10;DrawWeights(nullptr),&#10;DrawHidden(nullptr)"
+                 parentClasses="public Component, public LayerArrayListener&lt;VisibleLayer&gt;, public RbmListener, public DrawListener, public Thread"
+                 constructorParams="" variableInitialisers="Thread(&quot;RBM&quot;),&#10;m_layers(this),&#10;m_pRbm(nullptr)&#10;DrawTraining(nullptr),&#10;DrawReconstruction(nullptr),&#10;DrawWeights(nullptr),&#10;DrawHidden(nullptr)"
                  snapPixels="8" snapActive="1" snapShown="1" overlayOpacity="0.330"
                  fixedSize="1" initialWidth="800" initialHeight="600">
   <BACKGROUND backgroundColour="ffffffff">
@@ -931,6 +951,9 @@ BEGIN_JUCER_METADATA
          edBkgCol="0" labelText="1.0" editableSingleClick="1" editableDoubleClick="1"
          focusDiscardsChanges="0" fontname="Default font" fontsize="15"
          bold="0" italic="0" justification="36"/>
+  <GENERICCOMPONENT name="Progress Bar" id="548820d4a30574c7" memberName="m_progressBar"
+                    virtualName="" explicitFocusOrder="0" pos="224 160 168 24" class="ProgressBar"
+                    params="m_trainingProgress"/>
 </JUCER_COMPONENT>
 
 END_JUCER_METADATA

Source/MainComponent.h

@@ -41,6 +41,7 @@ class MainComponent  : public Component,
                        public LayerArrayListener<VisibleLayer>,
                        public RbmListener,
                        public DrawListener,
+                       public Thread,
                        public ButtonListener,
                        public SliderListener,
                        public LabelListener
@@ -87,6 +88,7 @@ private:
 	void onDraw(DrawComponent &obj);
 	void redrawReconstruction();
 	void redrawWeights(int index);
+	void run();
 	String m_baseDir;
 	double m_trainingProgress;
 	uint32_t m_numGibbs;
@@ -125,6 +127,7 @@ private:
     ScopedPointer<ToggleButton> rbmDoSparseToggleButton;
     ScopedPointer<Label> sparsityLabel;
     ScopedPointer<Label> sigmaDecayLabel;
+    ScopedPointer<ProgressBar> m_progressBar;
 
 
     //==============================================================================

Source/Rbm.hpp

@@ -210,7 +210,7 @@ public:
 					m += th.probs();
 				}
 				m /= i;
-				m.array() = m_sparsity - m.array();
+				m.array() -= m_sparsity;
 				th.states() = m;
 				hiddenBiasUpdate(th, -mu);
 			}