/// <summary>
/// Creates the reservoir structure configuration consisting of two interconnected pools.
/// </summary>
/// <param name="structName">The name of the reservoir structure.</param>
/// <param name="pool1Name">The name of the first pool.</param>
/// <param name="pool2Name">The name of the second pool.</param>
private ReservoirStructureSettings CreateResStructCfg(string structName, string pool1Name, string pool2Name)
{
//Our pools will have the 5x5x5 cube shape each. So 125 neurons in each pool and 250 neurons in total.
const int DimX = 5, DimY = 5, DimZ = 5;
//Each pool will have random internal interconnection of the density = 0.05. In our case it means that
//each neuron will receive synapses from 0.05 * 125 = 6 other randomly selected neurons.
const double RandomInterconnectionDensity = 0.05;
//Create pools
PoolSettings pool1Cfg = CreateAnalogPoolCfg(pool1Name, DimX, DimY, DimZ, RandomInterconnectionDensity);
PoolSettings pool2Cfg = CreateAnalogPoolCfg(pool2Name, DimX, DimY, DimZ, RandomInterconnectionDensity);
//Pool to pool interconnection
//Connections from Pool1 to Pool2. We use targetPoolDensity=1 and sourcePoolDensity=0.02, so each neuron from
//Pool2 will be randomly connected to 125 * 0.02 = 3 neurons from Pool1
InterPoolConnSettings pool1To2ConnCfg = new InterPoolConnSettings(pool2Name, 1d, pool1Name, 0.02d);
//Connections from Pool2 to Pool1. We use targetPoolDensity=1 and sourcePoolDensity=0.02, so each neuron from
//Pool1 will be randomly connected to 125 * 0.02 = 3 neurons from Pool2
InterPoolConnSettings pool2To1ConnCfg = new InterPoolConnSettings(pool1Name, 1d, pool2Name, 0.02d);
//Create the reservoir structure configuration
ReservoirStructureSettings resStructCfg = new ReservoirStructureSettings(structName,
new PoolsSettings(pool1Cfg, pool2Cfg),
new InterPoolConnsSettings(pool1To2ConnCfg, pool2To1ConnCfg)
);
return(resStructCfg);
}
/// <summary>
/// Builds the predictors mapper.
/// </summary>
private PredictorsMapper BuildPredictorsMapper()
{
if (NP == null)
{
//Neural preprocessor is bypassed -> no mapper
return(null);
}
else
{
//Create empty instance of the mapper
PredictorsMapper mapper = new PredictorsMapper(NP.OutputFeatureGeneralSwitchCollection);
if (Config.MapperCfg != null)
{
//Routed input field names
string[] routedInputFieldNames = Config.NeuralPreprocessorCfg.InputEncoderCfg.GetRoutedFieldNames().ToArray();
//Iterate all readout units
foreach (string readoutUnitName in Config.ReadoutLayerCfg.OutputFieldNameCollection)
{
bool[] switches = new bool[NP.OutputFeatureGeneralSwitchCollection.Length];
//Exists specific mapping?
ReadoutUnitMapSettings unitMap = Config.MapperCfg.GetMapCfg(readoutUnitName, false);
if (unitMap != null)
{
//Initially disable all predictors
switches.Populate(false);
for (int i = 0; i < NP.PredictorDescriptorCollection.Count; i++)
{
if (!NP.PredictorDescriptorCollection[i].IsInputValue)
{
string reservoirInstanceName = Config.NeuralPreprocessorCfg.ReservoirInstancesCfg.ReservoirInstanceCfgCollection[NP.PredictorDescriptorCollection[i].ReservoirID].Name;
ReservoirStructureSettings rss = Config.NeuralPreprocessorCfg.ReservoirStructuresCfg.GetReservoirStructureCfg(Config.NeuralPreprocessorCfg.ReservoirInstancesCfg.ReservoirInstanceCfgCollection[NP.PredictorDescriptorCollection[i].ReservoirID].StructureCfgName);
string poolName = rss.PoolsCfg.PoolCfgCollection[NP.PredictorDescriptorCollection[i].PoolID].Name;
switches[i] = unitMap.IsAllowedPredictor(reservoirInstanceName, poolName, (PredictorsProvider.PredictorID)NP.PredictorDescriptorCollection[i].PredictorID);
}
else
{
switches[i] = unitMap.IsAllowedInputField(NP.PredictorDescriptorCollection[i].InputFieldName);
}
}
}
else
{
//Allow all valid predictors
NP.OutputFeatureGeneralSwitchCollection.CopyTo(switches, 0);
}
//Add mapping to mapper
mapper.Add(readoutUnitName, switches);
}
}
return(mapper);
}
}
//Constructor
/// <summary>
/// Creates an initialized instance.
/// </summary>
/// <param name="preprocessorCfg">The configuration of the neural preprocessor.</param>
/// <param name="randomizerSeek">The random number generator initial seek.</param>
public NeuralPreprocessor(NeuralPreprocessorSettings preprocessorCfg, int randomizerSeek)
{
_preprocessorCfg = (NeuralPreprocessorSettings)preprocessorCfg.DeepClone();
TotalNumOfHiddenNeurons = 0;
///////////////////////////////////////////////////////////////////////////////////
//Input encoder
_inputEncoder = new InputEncoder(_preprocessorCfg.InputEncoderCfg);
///////////////////////////////////////////////////////////////////////////////////
//Reservoir instance(s)
BootCycles = 0;
//Random generator used for reservoir structure initialization
Random rand = (randomizerSeek < 0 ? new Random() : new Random(randomizerSeek));
ReservoirCollection = new List <ReservoirInstance>(_preprocessorCfg.ReservoirInstancesCfg.ReservoirInstanceCfgCollection.Count);
int reservoirInstanceID = 0;
int defaultBootCycles = 0;
foreach (ReservoirInstanceSettings reservoirInstanceCfg in _preprocessorCfg.ReservoirInstancesCfg.ReservoirInstanceCfgCollection)
{
ReservoirStructureSettings structCfg = _preprocessorCfg.ReservoirStructuresCfg.GetReservoirStructureCfg(reservoirInstanceCfg.StructureCfgName);
ReservoirInstance reservoir = new ReservoirInstance(reservoirInstanceID++,
structCfg,
reservoirInstanceCfg,
_inputEncoder,
rand
);
ReservoirCollection.Add(reservoir);
TotalNumOfHiddenNeurons += reservoir.Size;
defaultBootCycles = Math.Max(defaultBootCycles, reservoir.GetDefaultBootCycles());
}
//Boot cycles setup
if (_preprocessorCfg.InputEncoderCfg.FeedingCfg.FeedingType == InputEncoder.InputFeedingType.Continuous)
{
FeedingContinuousSettings feedingCfg = (FeedingContinuousSettings)preprocessorCfg.InputEncoderCfg.FeedingCfg;
BootCycles = feedingCfg.BootCycles == FeedingContinuousSettings.AutoBootCyclesNum ? defaultBootCycles : feedingCfg.BootCycles;
}
else
{
BootCycles = 0;
}
//Output features
_totalNumOfReservoirsPredictors = 0;
_predictorsTimePointSlicesPlan = null;
PredictorDescriptorCollection = null;
OutputFeatureGeneralSwitchCollection = null;
NumOfActivePredictors = 0;
return;
}
/// <summary>
/// Creates the neural preprocessor configuration.
/// </summary>
/// <param name="resInstName">The reservoir instance name.</param>
/// <param name="resStructName">The reservoir structure configuration name.</param>
/// <param name="pool1Name">The name of the pool1.</param>
/// <param name="pool2Name">The name of the pool2.</param>
NeuralPreprocessorSettings CreatePreprocessorCfg(string resInstName, string resStructName, string pool1Name, string pool2Name)
{
//Create input configuration
InputEncoderSettings inputCfg = CreateInputCfg();
//Create reservoir structure configuration
ReservoirStructureSettings resStructCfg = CreateResStructCfg(resStructName, pool1Name, pool2Name);
//Create reservoir instance configuration
ReservoirInstanceSettings resInstCfg = CreateResInstCfg(resInstName, resStructName, pool1Name, pool2Name, 0, 1);
//Create reservoir preprocessor configuration
NeuralPreprocessorSettings preprocessorCfg = new NeuralPreprocessorSettings(inputCfg,
new ReservoirStructuresSettings(resStructCfg),
new ReservoirInstancesSettings(resInstCfg),
NeuralPreprocessorSettings.DefaultPredictorsReductionRatio
);
return(preprocessorCfg);
}
//Methods
/// <summary>
/// Checks consistency
/// </summary>
protected override void Check()
{
if (MapperCfg != null && NeuralPreprocessorCfg == null)
{
throw new ArgumentException($"Mapper can not be specified when neural preprocessor is not defined.", "MapperCfg");
}
if (MapperCfg != null)
{
foreach (ReadoutUnitMapSettings map in MapperCfg.MapCfgCollection)
{
ReadoutUnitSettings rus = ReadoutLayerCfg.ReadoutUnitsCfg.GetReadoutunitCfg(map.ReadoutUnitName);
//Pools
if (map.AllowedPoolsCfg != null)
{
foreach (AllowedPoolSettings aps in map.AllowedPoolsCfg.AllowedPoolCfgCollection)
{
ReservoirInstanceSettings ris = NeuralPreprocessorCfg.ReservoirInstancesCfg.GetReservoirInstanceCfg(aps.ReservoirInstanceName);
ReservoirStructureSettings rss = NeuralPreprocessorCfg.ReservoirStructuresCfg.GetReservoirStructureCfg(ris.StructureCfgName);
rss.PoolsCfg.GetPoolID(aps.PoolName);
}
}
//Input fields
if (map.AllowedInputFieldsCfg != null)
{
string[] routedFieldNames = NeuralPreprocessorCfg.InputEncoderCfg.GetRoutedFieldNames().ToArray();
foreach (AllowedInputFieldSettings aifs in map.AllowedInputFieldsCfg.AllowedInputFieldCfgCollection)
{
if (Array.IndexOf(routedFieldNames, aifs.Name) == -1)
{
throw new ArgumentException($"Specified input field {aifs.Name} to be allowed for readout unit {map.ReadoutUnitName} is not among fields routed to readout layer.", "MapperCfg");
}
}
}
}
}
return;
}
/// <summary>
/// Creates the simplified configuration of the state machine following the pure LSM design.
/// </summary>
/// <param name="totalSize">The total number of hidden neurons.</param>
/// <param name="spikingActivationCfg">The configuration of the spiking activation function.</param>
/// <param name="excitabilityCfg">The homogenous excitability configuration.</param>
/// <param name="inputConnectionDensity">The density of the input field connections to hidden neurons.</param>
/// <param name="maxInputDelay">The maximum delay of an input synapse.</param>
/// <param name="interconnectionDensity">The density of the hidden neurons recurrent interconnection.</param>
/// <param name="maxInternalDelay">The maximum delay of an internal synapse.</param>
/// <param name="steadyBias">The constant bias (0 means no bias).</param>
/// <param name="predictorsProviderCfg">The configuration of the predictors provider.</param>
public StateMachineSettings CreatePureLSMCfg(int totalSize,
IActivationSettings spikingActivationCfg,
HomogenousExcitabilitySettings excitabilityCfg,
double inputConnectionDensity,
int maxInputDelay,
double interconnectionDensity,
int maxInternalDelay,
double steadyBias,
PredictorsProviderSettings predictorsProviderCfg
)
{
//Check NP is not bypassed
if (BypassedNP)
{
throw new InvalidOperationException("Neural preprocessor is bypassed thus LSM design can't be created.");
}
//Activation check
if (ActivationFactory.CreateAF(spikingActivationCfg, new Random()).TypeOfActivation != ActivationType.Spiking)
{
throw new ArgumentException("Specified activation must be spiking.", "spikingActivationCfg");
}
//One neuron group
SpikingNeuronGroupSettings grp = CreateSpikingGroup(spikingActivationCfg, predictorsProviderCfg, excitabilityCfg, steadyBias);
//Simple spiking pool
PoolSettings poolCfg = new PoolSettings(BuildPoolName(ActivationContent.Spiking, 0),
new ProportionsSettings(totalSize, 1, 1),
new NeuronGroupsSettings(grp),
new InterconnSettings(new RandomSchemaSettings(interconnectionDensity, 0d, false, false))
);
//Simple reservoir structure
ReservoirStructureSettings resStructCfg = new ReservoirStructureSettings(BuildResStructName(ActivationContent.Spiking, 0),
new PoolsSettings(poolCfg)
);
//Input connections configuration
List <InputConnSettings> inputConns = new List <InputConnSettings>(InputEncoderCfg.VaryingFieldsCfg.ExternalFieldsCfg.FieldCfgCollection.Count);
foreach (ExternalFieldSettings fieldCfg in InputEncoderCfg.VaryingFieldsCfg.ExternalFieldsCfg.FieldCfgCollection)
{
InputConnSettings inputConnCfg = new InputConnSettings(fieldCfg.Name,
poolCfg.Name,
inputConnectionDensity,
0
);
inputConns.Add(inputConnCfg);
}
//Synapse general configuration
SpikingSourceSTInputSettings spikingSourceSTInputSettings = new SpikingSourceSTInputSettings(new URandomValueSettings(0, 1), new PlasticitySTInputSettings(new NonlinearDynamicsSTInputSettings()));
SpikingSourceSTExcitatorySettings spikingSourceSTExcitatorySettings = new SpikingSourceSTExcitatorySettings(new URandomValueSettings(0, 1), new PlasticitySTExcitatorySettings(new NonlinearDynamicsSTExcitatorySettings()));
SpikingSourceSTInhibitorySettings spikingSourceSTInhibitorySettings = new SpikingSourceSTInhibitorySettings(new URandomValueSettings(0, 1), new PlasticitySTInhibitorySettings(new NonlinearDynamicsSTInhibitorySettings()));
SynapseSTInputSettings synapseSTInputSettings = new SynapseSTInputSettings(Synapse.SynapticDelayMethod.Random, maxInputDelay, null, spikingSourceSTInputSettings);
SynapseSTExcitatorySettings synapseSTExcitatorySettings = new SynapseSTExcitatorySettings(Synapse.SynapticDelayMethod.Random, maxInternalDelay, 4, null, spikingSourceSTExcitatorySettings);
SynapseSTInhibitorySettings synapseSTInhibitorySettings = new SynapseSTInhibitorySettings(Synapse.SynapticDelayMethod.Random, maxInternalDelay, 1, null, spikingSourceSTInhibitorySettings);
SynapseSTSettings synapseSTCfg = new SynapseSTSettings(synapseSTInputSettings, synapseSTExcitatorySettings, synapseSTInhibitorySettings);
SynapseSettings synapseCfg = new SynapseSettings(synapseSTCfg, null);
//Create reservoir instance
ReservoirInstanceSettings resInstCfg = new ReservoirInstanceSettings(GetResInstName(ResDesign.PureLSM, 0),
resStructCfg.Name,
new InputConnsSettings(inputConns),
synapseCfg
);
//Build and return SM configuration
return(new StateMachineSettings(new NeuralPreprocessorSettings(InputEncoderCfg,
new ReservoirStructuresSettings(resStructCfg),
new ReservoirInstancesSettings(resInstCfg)
),
ReadoutLayerCfg
));
}
/// <summary>
/// Creates the simplified configuration of the state machine following the pure ESN design.
/// </summary>
/// <param name="totalSize">The total number of hidden neurons.</param>
/// <param name="maxInputStrength">The max sum of weights of input synapses per an analog hidden neuron (see the constant DefaultAnalogMaxInputStrength).</param>
/// <param name="inputConnectionDensity">The density of the input field connections to hidden neurons.</param>
/// <param name="maxInputDelay">The maximum delay of an input synapse.</param>
/// <param name="interconnectionDensity">The density of the hidden neurons recurrent interconnection.</param>
/// <param name="maxInternalDelay">The maximum delay of an internal synapse.</param>
/// <param name="maxAbsBias">The maximum absolute value of the bias (0 means no bias).</param>
/// <param name="maxRetainmentStrength">The maximum retainment strength (0 means no retainment).</param>
/// <param name="predictorsProviderCfg">The configuration of the predictors provider.</param>
public StateMachineSettings CreatePureESNCfg(int totalSize,
double maxInputStrength,
double inputConnectionDensity,
int maxInputDelay,
double interconnectionDensity,
int maxInternalDelay,
double maxAbsBias,
double maxRetainmentStrength,
PredictorsProviderSettings predictorsProviderCfg
)
{
//Check NP is not bypassed
if (BypassedNP)
{
throw new InvalidOperationException("Neural preprocessor is bypassed thus ESN design can't be created.");
}
//Default ESN activation
IActivationSettings analogActivationCfg = new AFAnalogTanHSettings();
//One neuron group
AnalogNeuronGroupSettings grp = CreateAnalogGroup(analogActivationCfg, predictorsProviderCfg, maxAbsBias, maxRetainmentStrength);
//Simple analog pool
PoolSettings poolCfg = new PoolSettings(BuildPoolName(ActivationContent.Analog, 0),
new ProportionsSettings(totalSize, 1, 1),
new NeuronGroupsSettings(grp),
new InterconnSettings(new RandomSchemaSettings(interconnectionDensity))
);
//Simple reservoir structure
ReservoirStructureSettings resStructCfg = new ReservoirStructureSettings(BuildResStructName(ActivationContent.Analog, 0),
new PoolsSettings(poolCfg)
);
//Input connections configuration
List <InputConnSettings> inputConns = new List <InputConnSettings>(InputEncoderCfg.VaryingFieldsCfg.ExternalFieldsCfg.FieldCfgCollection.Count);
foreach (ExternalFieldSettings fieldCfg in InputEncoderCfg.VaryingFieldsCfg.ExternalFieldsCfg.FieldCfgCollection)
{
InputConnSettings inputConnCfg = new InputConnSettings(fieldCfg.Name,
poolCfg.Name,
0,
inputConnectionDensity
);
inputConns.Add(inputConnCfg);
}
//Synapse general configuration
SynapseATInputSettings synapseATInputSettings = new SynapseATInputSettings(Synapse.SynapticDelayMethod.Random, maxInputDelay, new AnalogSourceSettings(new URandomValueSettings(0d, maxInputStrength)));
SynapseATIndifferentSettings synapseATIndifferentSettings = new SynapseATIndifferentSettings(Synapse.SynapticDelayMethod.Random, maxInternalDelay);
SynapseATSettings synapseATCfg = new SynapseATSettings(SynapseATSettings.DefaultSpectralRadiusNum, synapseATInputSettings, synapseATIndifferentSettings);
SynapseSettings synapseCfg = new SynapseSettings(null, synapseATCfg);
//Create reservoir instance
ReservoirInstanceSettings resInstCfg = new ReservoirInstanceSettings(GetResInstName(ResDesign.PureESN, 0),
resStructCfg.Name,
new InputConnsSettings(inputConns),
synapseCfg
);
//Build and return SM configuration
return(new StateMachineSettings(new NeuralPreprocessorSettings(InputEncoderCfg,
new ReservoirStructuresSettings(resStructCfg),
new ReservoirInstancesSettings(resInstCfg)
),
ReadoutLayerCfg
));
}
/// <summary>
/// Creates StateMachine configuration following pure LSM design
/// </summary>
/// <param name="proportionsCfg">LSM pool proportions</param>
/// <param name="aFnCfg">Spiking activation function configuration</param>
/// <param name="hes">Homogenous excitability configuration</param>
/// <param name="inputConnectionDensity">Density of the input field connections to hidden neurons</param>
/// <param name="maxInputDelay">Maximum delay of input synapse</param>
/// <param name="interconnectionDensity">Density of the hidden neurons interconnection</param>
/// <param name="maxInternalDelay">Maximum delay of internal synapse</param>
/// <param name="steadyBias">Constant bias (0 means bias is not required)</param>
/// <param name="predictorsParamsCfg">Predictors parameters (use null for defaults)</param>
/// <param name="allowedPredictor">Allowed predictor(s)</param>
public StateMachineSettings CreatePureLSMCfg(ProportionsSettings proportionsCfg,
RCNetBaseSettings aFnCfg,
HomogenousExcitabilitySettings hes,
double inputConnectionDensity,
int maxInputDelay,
double interconnectionDensity,
int maxInternalDelay,
double steadyBias,
PredictorsParamsSettings predictorsParamsCfg,
params PredictorsProvider.PredictorID[] allowedPredictor
)
{
//Activation check
if (ActivationFactory.Create(aFnCfg, new Random()).TypeOfActivation != ActivationType.Spiking)
{
throw new ArgumentException("Specified activation must be spiking.", "aFnCfg");
}
//One neuron group
SpikingNeuronGroupSettings grp = CreateSpikingGroup(aFnCfg, hes, steadyBias);
//Simple spiking pool
PoolSettings poolCfg = new PoolSettings(GetPoolName(ActivationContent.Spiking, 0),
proportionsCfg,
new NeuronGroupsSettings(grp),
new InterconnSettings(new RandomSchemaSettings(interconnectionDensity, 0d, false, false))
);
//Simple reservoir structure
ReservoirStructureSettings resStructCfg = new ReservoirStructureSettings(GetResStructName(ActivationContent.Spiking, 0),
new PoolsSettings(poolCfg)
);
//Input connections configuration
List <InputConnSettings> inputConns = new List <InputConnSettings>(InputCfg.VaryingFieldsCfg.ExternalFieldsCfg.FieldCfgCollection.Count);
foreach (ExternalFieldSettings fieldCfg in InputCfg.VaryingFieldsCfg.ExternalFieldsCfg.FieldCfgCollection)
{
InputConnSettings inputConnCfg = new InputConnSettings(fieldCfg.Name,
poolCfg.Name,
inputConnectionDensity,
0
);
inputConns.Add(inputConnCfg);
}
//Synapse general configuration
SynapseSTInputSettings synapseSTInputSettings = new SynapseSTInputSettings(Synapse.SynapticDelayMethod.Random, maxInputDelay);
SynapseSTExcitatorySettings synapseSTExcitatorySettings = new SynapseSTExcitatorySettings(Synapse.SynapticDelayMethod.Random, maxInternalDelay);
SynapseSTInhibitorySettings synapseSTInhibitorySettings = new SynapseSTInhibitorySettings(Synapse.SynapticDelayMethod.Random, maxInternalDelay);
SynapseSTSettings synapseSTCfg = new SynapseSTSettings(synapseSTInputSettings, synapseSTExcitatorySettings, synapseSTInhibitorySettings);
SynapseSettings synapseCfg = new SynapseSettings(synapseSTCfg, null);
//Initially set all switches to false - all available predictors are forbidden
bool[] predictorSwitches = new bool[PredictorsProvider.NumOfSupportedPredictors];
predictorSwitches.Populate(false);
//Enable specified predictors
foreach (PredictorsProvider.PredictorID predictorID in allowedPredictor)
{
predictorSwitches[(int)predictorID] = true;
}
//Create predictors configuration using default params
PredictorsSettings predictorsCfg = new PredictorsSettings(predictorSwitches, predictorsParamsCfg);
//Create reservoir instance
ReservoirInstanceSettings resInstCfg = new ReservoirInstanceSettings(GetResInstName(ResDesign.PureLSM, 0),
resStructCfg.Name,
new InputConnsSettings(inputConns),
synapseCfg,
predictorsCfg
);
//Build and return SM configuration
return(new StateMachineSettings(new NeuralPreprocessorSettings(InputCfg,
new ReservoirStructuresSettings(resStructCfg),
new ReservoirInstancesSettings(resInstCfg)
),
ReadoutCfg
));
}
/// <summary>
/// Creates StateMachine configuration following pure ESN design
/// </summary>
/// <param name="totalSize">Total number of hidden neurons</param>
/// <param name="inputConnectionDensity">Density of the input field connections to hidden neurons</param>
/// <param name="maxInputDelay">Maximum delay of input synapse</param>
/// <param name="interconnectionDensity">Density of the hidden neurons interconnection</param>
/// <param name="maxInternalDelay">Maximum delay of internal synapse</param>
/// <param name="maxAbsBias">Maximum absolute value of the bias (0 means bias is not required)</param>
/// <param name="maxRetainmentStrength">Maximum retainment strength (0 means retainment property is not required)</param>
/// <param name="predictorsParamsCfg">Predictors parameters (use null for defaults)</param>
/// <param name="allowedPredictor">Allowed predictor(s)</param>
public StateMachineSettings CreatePureESNCfg(int totalSize,
double inputConnectionDensity,
int maxInputDelay,
double interconnectionDensity,
int maxInternalDelay,
double maxAbsBias,
double maxRetainmentStrength,
PredictorsParamsSettings predictorsParamsCfg,
params PredictorsProvider.PredictorID[] allowedPredictor
)
{
const double MaxInputWeightSum = 2.75d;
//Default ESN activation
RCNetBaseSettings aFnCfg = new TanHSettings();
//One neuron group
AnalogNeuronGroupSettings grp = CreateAnalogGroup(aFnCfg, maxAbsBias, maxRetainmentStrength);
//Simple analog pool
PoolSettings poolCfg = new PoolSettings(GetPoolName(ActivationContent.Analog, 0),
new ProportionsSettings(totalSize, 1, 1),
new NeuronGroupsSettings(grp),
new InterconnSettings(new RandomSchemaSettings(interconnectionDensity))
);
//Simple reservoir structure
ReservoirStructureSettings resStructCfg = new ReservoirStructureSettings(GetResStructName(ActivationContent.Analog, 0),
new PoolsSettings(poolCfg)
);
//Input connections configuration
List <InputConnSettings> inputConns = new List <InputConnSettings>(InputCfg.VaryingFieldsCfg.ExternalFieldsCfg.FieldCfgCollection.Count);
double maxInpSynWeight = MaxInputWeightSum / InputCfg.VaryingFieldsCfg.ExternalFieldsCfg.FieldCfgCollection.Count;
foreach (ExternalFieldSettings fieldCfg in InputCfg.VaryingFieldsCfg.ExternalFieldsCfg.FieldCfgCollection)
{
InputConnSettings inputConnCfg = new InputConnSettings(fieldCfg.Name,
poolCfg.Name,
0,
inputConnectionDensity
);
inputConns.Add(inputConnCfg);
}
//Synapse general configuration
AnalogSourceSettings asc = new AnalogSourceSettings(new URandomValueSettings(0, maxInpSynWeight));
SynapseATInputSettings synapseATInputSettings = new SynapseATInputSettings(Synapse.SynapticDelayMethod.Random, maxInputDelay, asc, null);
SynapseATIndifferentSettings synapseATIndifferentSettings = new SynapseATIndifferentSettings(Synapse.SynapticDelayMethod.Random, maxInternalDelay);
SynapseATSettings synapseATCfg = new SynapseATSettings(SynapseATSettings.DefaultSpectralRadiusNum, synapseATInputSettings, synapseATIndifferentSettings);
SynapseSettings synapseCfg = new SynapseSettings(null, synapseATCfg);
//Initially set all switches to false - all available predictors are forbidden
bool[] predictorSwitches = new bool[PredictorsProvider.NumOfSupportedPredictors];
predictorSwitches.Populate(false);
//Enable specified predictors
foreach (PredictorsProvider.PredictorID predictorID in allowedPredictor)
{
predictorSwitches[(int)predictorID] = true;
}
//Create predictors configuration using default params
PredictorsSettings predictorsCfg = new PredictorsSettings(predictorSwitches, predictorsParamsCfg);
//Create reservoir instance
ReservoirInstanceSettings resInstCfg = new ReservoirInstanceSettings(GetResInstName(ResDesign.PureESN, 0),
resStructCfg.Name,
new InputConnsSettings(inputConns),
synapseCfg,
predictorsCfg
);
//Build and return SM configuration
return(new StateMachineSettings(new NeuralPreprocessorSettings(InputCfg,
new ReservoirStructuresSettings(resStructCfg),
new ReservoirInstancesSettings(resInstCfg)
),
ReadoutCfg
));
}