/// <summary>
        /// End a validation scoring session.
        /// Write out results here.
        /// </summary>
        /// <param name="registry">The registry containing the required values for this hook's execution.</param>
        /// <param name="resolver">A helper resolver for complex registry entries (automatically cached).</param>
        protected override void ScoreEnd(IRegistry registry, IRegistryResolver resolver)
        {
            string resultKey = ParameterRegistry.Get <string>("result_key");
            double accuracy  = (double)ParameterRegistry.Get <int>("correct_classifications") / ParameterRegistry.Get <int>("total_classifications");

            resolver.ResolveSet(resultKey, accuracy, true);
        }
Esempio n. 2
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        /// <summary>
        /// Invoke this hook with a certain parameter registry.
        /// </summary>
        /// <param name="registry">The registry containing the required values for this hook's execution.</param>
        /// <param name="resolver">A helper resolver for complex registry entries (automatically cached).</param>
        public override void SubInvoke(IRegistry registry, IRegistryResolver resolver)
        {
            int epoch     = registry.Get <int>("epoch");
            int iteration = registry.Get <int>("iteration");

            Report(epoch, iteration);
        }
Esempio n. 3
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 /// <summary>
 /// Invoke this hook with a certain parameter registry.
 /// </summary>
 /// <param name="registry">The registry containing the required values for this hook's execution.</param>
 /// <param name="resolver">A helper resolver for complex registry entries (automatically cached).</param>
 public void Invoke(IRegistry registry, IRegistryResolver resolver)
 {
     if (InvokeCriteria == null || InvokeCriteria.CheckCriteria(registry, resolver))
     {
         SubInvoke(registry, resolver);
     }
 }
Esempio n. 4
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        /// <summary>
        /// Invoke this hook with a certain parameter registry if optional conditional criteria are satisfied.
        /// </summary>
        /// <param name="registry">The registry containing the required values for this hook's execution.</param>
        /// <param name="resolver">A helper resolver for complex registry entries (automatically cached).</param>
        public override void SubInvoke(IRegistry registry, IRegistryResolver resolver)
        {
            IValueModifier modifier   = ParameterRegistry.Get <IValueModifier>("modifier");
            string         identifier = ParameterRegistry.Get <string>("parameter_identifier");
            object         parameter  = resolver.ResolveGetSingle <object>(identifier);

            INumber  asNumber = parameter as INumber;
            INDArray asArray  = parameter as INDArray;

            if (asNumber != null)
            {
                parameter = modifier.Modify(identifier, asNumber, asNumber.AssociatedHandler);
            }
            else if (asArray != null)
            {
                parameter = modifier.Modify(identifier, asArray, asArray.AssociatedHandler);
            }
            else
            {
                throw new InvalidOperationException($"Cannot apply modifier {modifier} to parameter \"{identifier}\" with value {parameter}, " +
                                                    $"parameter is neither {nameof(INumber)} nor {nameof(INDArray)}.");
            }

            resolver.ResolveSet(identifier, parameter);
        }
Esempio n. 5
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        public override bool CheckCriteria(IRegistry registry, IRegistryResolver resolver)
        {
            HookInvokeCriteria baseCriteria = ParameterRegistry.Get <HookInvokeCriteria>("base_criteria");
            long targetRepetitions          = ParameterRegistry.Get <long>("target_repetitions");
            long currentRepititions         = ParameterRegistry.Get <long>("current_repetitions");
            bool withoutInterruption        = ParameterRegistry.Get <bool>("without_interruption");

            if (baseCriteria.CheckCriteria(registry, resolver))
            {
                currentRepititions++;
            }
            else if (withoutInterruption)
            {
                currentRepititions = 0;
            }

            bool fire = currentRepititions >= targetRepetitions;

            if (fire)
            {
                currentRepititions = 0;
            }

            ParameterRegistry["current_repetitions"] = currentRepititions;

            return(fire);
        }
        /// <summary>
        /// Invoke this hook with a certain parameter registry.
        /// </summary>
        /// <param name="registry">The registry containing the required values for this hook's execution.</param>
        /// <param name="resolver">A helper resolver for complex registry entries (automatically cached).</param>
        public override void SubInvoke(IRegistry registry, IRegistryResolver resolver)
        {
            string registryEntry = ParameterRegistry.Get <string>("registry_entry");
            string resultEntry   = ParameterRegistry.Get <string>("shared_result_entry");

            double value = resolver.ResolveGetSingle <double>(registryEntry);
            double previousAccumulatedValue = ParameterRegistry.Get <double>("accumulated_value");

            int currentInterval = HookUtils.GetCurrentInterval(registry, TimeStep.TimeScale);
            int resetInterval   = ParameterRegistry.Get <int>("reset_interval");
            int resetEvery      = ParameterRegistry.Get <int>("reset_every");
            int countSinceReset = ParameterRegistry.Get <int>("count_since_reset");

            if (currentInterval == resetInterval || resetEvery > 0 && currentInterval % resetEvery == 0)
            {
                previousAccumulatedValue = 0.0;
                countSinceReset          = 0;
            }

            countSinceReset++;

            double result = value + previousAccumulatedValue;

            if (ParameterRegistry.Get <bool>("average_mode"))
            {
                result /= countSinceReset;
            }

            ParameterRegistry["count_since_reset"] = countSinceReset;
            ParameterRegistry["accumulated_value"] = value + previousAccumulatedValue;
            resolver.ResolveSet(resultEntry, result, addIdentifierIfNotExists: true);
        }
        /// <inheritdoc />
        public virtual void SynchroniseSet <T>(IRegistry registry, string key, T val, Action <T> onSuccess = null, Action <Exception> onError = null)
        {
            // check if the registry is from an operator
            foreach (IOperator op in Sigma.RunningOperatorsByTrainer.Values)
            {
                if (ReferenceEquals(op.Registry, registry))
                {
                    //TODO: test if callback is called
                    //TODO: on error check sources for other to set the value
                    op.InvokeCommand(new SetValueCommand <T>(key, val, () => onSuccess?.Invoke(val)));

                    return;
                }
            }

            IRegistryResolver resolver = RegistryResolvers.TryGetValue(registry, () => new RegistryResolver(registry));

            // check if at least one value has been set
            if (resolver.ResolveSet(key, val, true, typeof(T)).Length > 0)
            {
                onSuccess?.Invoke(val);
            }
            else
            {
                onError?.Invoke(new KeyNotFoundException($"{key} was not found in {registry} and could not be created."));
            }
        }
        /// <inheritdoc />
        public virtual T SynchroniseGet <T>(IRegistry registry, string key)
        {
            if (registry != null)
            {
                IRegistryResolver resolver = RegistryResolvers.TryGetValue(registry, () => new RegistryResolver(registry));
                //return resolver.ResolveGetSingle<>()
                string[] emptyArrayThrowaway;

                T[] result = resolver.ResolveGet <T>(key, out emptyArrayThrowaway);

                if (result.Length != 0)
                {
                    return(result[0]);
                }
            }

            foreach (ISynchronisationSource source in Sources)
            {
                T res;
                if (source.TryGet(key, out res))
                {
                    return(res);
                }
            }

            return(default(T));
        }
Esempio n. 9
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        /// <summary>
        /// Invoke this hook with a certain parameter registry if optional conditional criteria are satisfied.
        /// </summary>
        /// <param name="registry">The registry containing the required values for this hook's execution.</param>
        /// <param name="resolver">A helper resolver for complex registry entries (automatically cached).</param>
        public override void SubInvoke(IRegistry registry, IRegistryResolver resolver)
        {
            string baseResultKey = ParameterRegistry.Get <string>("base_result_key");

            long lastTime    = resolver.ResolveGetSingleWithDefault(baseResultKey + "_last", -1L);
            long averageTime = resolver.ResolveGetSingleWithDefault(baseResultKey + "_average", -1L);

            Report(TimeStep.TimeScale, lastTime, averageTime);
        }
Esempio n. 10
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 /// <summary>
 /// Invoke this hook with a certain parameter registry if optional conditional criteria are satisfied.
 /// </summary>
 /// <param name="registry">The registry containing the required values for this hook's execution.</param>
 /// <param name="resolver">A helper resolver for complex registry entries (automatically cached).</param>
 public override void SubInvoke(IRegistry registry, IRegistryResolver resolver)
 {
     try
     {
         ((IParameterVisualiser)ParameterRegistry[VisualiserIdentifier]).Read();
     }
     catch (TaskCanceledException)
     {
         // TODO: log to console
     }
 }
Esempio n. 11
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        /// <summary>
        /// Begin a validation scoring session.
        /// Reset the scoring here.
        /// </summary>
        /// <param name="registry">The registry containing the required values for this hook's execution.</param>
        /// <param name="resolver">A helper resolver for complex registry entries (automatically cached).</param>
        protected override void ScoreBegin(IRegistry registry, IRegistryResolver resolver)
        {
            int[] tops = ParameterRegistry.Get <int[]>("tops");

            foreach (int t in tops)
            {
                ParameterRegistry[$"correct_classifications_top{t}"] = 0;
            }

            ParameterRegistry["total_classifications"] = 0;
        }
Esempio n. 12
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        /// <summary>
        /// Invoke this command and set all required values.
        /// </summary>
        /// <param name="registry">The registry containing the required values for this command's execution.</param>
        /// <param name="resolver">A helper resolver for complex registry entries (automatically cached).</param>
        public override void SubInvoke(IRegistry registry, IRegistryResolver resolver)
        {
            string[] keys   = (string[])ParameterRegistry[KeyIdentifier];
            T[]      values = (T[])ParameterRegistry[ValueIdentifier];

            for (int i = 0; i < keys.Length; i++)
            {
                //TODO: validate if successfully set and call error otherwise (for each key?)
                resolver.ResolveSet(keys[i], values[i], AddItentifierIfNotExists, typeof(T));
            }
        }
Esempio n. 13
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        public override bool CheckCriteria(IRegistry registry, IRegistryResolver resolver)
        {
            string parameter        = ParameterRegistry.Get <string>("parameter_identifier");
            object rawValue         = SimpleDirectEntries[0] ? registry.Get(parameter) : resolver.ResolveGetSingle <object>(parameter);
            double value            = (double)Convert.ChangeType(rawValue, typeof(double));
            bool   thresholdReached = _InternalThresholdReached(value, ParameterRegistry.Get <double>("threshold_value"), ParameterRegistry.Get <ComparisonTarget>("target"));
            bool   fire             = thresholdReached && (!ParameterRegistry.Get <bool>("last_check_met") || ParameterRegistry.Get <bool>("fire_continously"));

            ParameterRegistry["last_check_met"] = thresholdReached;

            return(fire);
        }
Esempio n. 14
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        /// <summary>
        /// Invoke this hook with a certain parameter registry.
        /// </summary>
        /// <param name="registry">The registry containing the required values for this hook's execution.</param>
        /// <param name="resolver">A helper resolver for complex registry entries (automatically cached).</param>
        public override void SubInvoke(IRegistry registry, IRegistryResolver resolver)
        {
            int[] tops = ParameterRegistry.Get <int[]>("tops");
            IDictionary <int, double> topDictionary = new Dictionary <int, double>();

            foreach (int top in tops)
            {
                topDictionary[top] = resolver.ResolveGetSingle <double>("shared.classification_accuracy_top" + top);
            }

            Report(topDictionary);
        }
Esempio n. 15
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        /// <summary>
        /// Resolve all registry entries using a given registry resolver.
        /// </summary>
        /// <param name="registryResolver">The registry resolver to use.</param>
        /// <param name="allRegistryEntries">The registry entries to resolve.</param>
        /// <param name="resultAllResolvedRegistryEntries">The resulting resolved registry entries.</param>
        public static void ResolveAllRequiredRegistry(IRegistryResolver registryResolver, IEnumerable <string> allRegistryEntries, ISet <string> resultAllResolvedRegistryEntries)
        {
            resultAllResolvedRegistryEntries.Clear();

            foreach (string registryEntry in allRegistryEntries)
            {
                string[] resolvedEntries;

                registryResolver.ResolveGet <object>(registryEntry, out resolvedEntries, null);

                resultAllResolvedRegistryEntries.AddRange(resolvedEntries);
            }
        }
Esempio n. 16
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        /// <summary>
        /// Invoke this hook with a certain parameter registry if optional conditional criteria are satisfied.
        /// </summary>
        /// <param name="registry">The registry containing the required values for this hook's execution.</param>
        /// <param name="resolver">A helper resolver for complex registry entries (automatically cached).</param>
        public override void SubInvoke(IRegistry registry, IRegistryResolver resolver)
        {
            IDictionary <string, object> values = (IDictionary <string, object>)ParameterRegistry[ValueIdentifier];

            //TODO: validate lock requirement, probably it is required
            lock (values)
            {
                foreach (KeyValuePair <string, object> valuePair in registry)
                {
                    values[valuePair.Key] = valuePair.Value;
                }
            }
        }
Esempio n. 17
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        /// <summary>
        /// Invoke this hook with a certain parameter registry if optional conditional criteria are satisfied.
        /// </summary>
        /// <param name="registry">The registry containing the required values for this hook's execution.</param>
        /// <param name="resolver">A helper resolver for complex registry entries (automatically cached).</param>
        public override void SubInvoke(IRegistry registry, IRegistryResolver resolver)
        {
            if (ParameterRegistry.ContainsKey("last_time"))
            {
                bool removeExtremas = ParameterRegistry.Get <bool>("remove_extremas");
                long lastTime       = ParameterRegistry.Get <long>("last_time");
                long currentTime    = Operator.RunningTimeMilliseconds;
                long elapsedTime    = currentTime - lastTime;

                LinkedList <long> lastRunningTimes    = ParameterRegistry.Get <LinkedList <long> >("last_running_times");
                string            sharedResultBaseKey = ParameterRegistry.Get <string>("shared_result_base_key");
                int averageSpan = ParameterRegistry.Get <int>("average_span");

                lastRunningTimes.AddLast(elapsedTime);

                int numberRunningTimes = lastRunningTimes.Count;

                if (numberRunningTimes > averageSpan)
                {
                    lastRunningTimes.RemoveFirst();
                    numberRunningTimes--;
                }

                long averageTime = lastRunningTimes.Sum();

                if (removeExtremas)
                {
                    LinkedList <long> runningTimesCopy = new LinkedList <long>(lastRunningTimes);
                    int timesToRemove = (int)Math.Sqrt(lastRunningTimes.Count / 2.0f);                      // TODO magic number

                    while (timesToRemove-- > 0)
                    {
                        long removedTime = timesToRemove % 2 == 0 ? runningTimesCopy.Max() : runningTimesCopy.Min();

                        runningTimesCopy.Remove(removedTime);
                    }

                    averageTime        = runningTimesCopy.Sum();
                    numberRunningTimes = runningTimesCopy.Count;
                }

                averageTime /= numberRunningTimes;

                resolver.ResolveSet(sharedResultBaseKey + "_last", elapsedTime, addIdentifierIfNotExists: true);
                resolver.ResolveSet(sharedResultBaseKey + "_average", averageTime, addIdentifierIfNotExists: true);
                resolver.ResolveSet(sharedResultBaseKey + "_min", lastRunningTimes.Min(), addIdentifierIfNotExists: true);
                resolver.ResolveSet(sharedResultBaseKey + "_max", lastRunningTimes.Max(), addIdentifierIfNotExists: true);
            }

            ParameterRegistry["last_time"] = Operator.RunningTimeMilliseconds;
        }
Esempio n. 18
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        public override bool CheckCriteria(IRegistry registry, IRegistryResolver resolver)
        {
            IList <HookInvokeCriteria> criterias = ParameterRegistry.Get <IList <HookInvokeCriteria> >("criterias");

            for (int i = 0; i < criterias.Count; i++)
            {
                if (!criterias[i].CheckCriteria(registry, resolver))
                {
                    return(false);
                }
            }

            return(true);
        }
Esempio n. 19
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        /// <summary>
        /// Invoke this hook with a certain parameter registry if optional conditional criteria are satisfied.
        /// </summary>
        /// <param name="registry">The registry containing the required values for this hook's execution.</param>
        /// <param name="resolver">A helper resolver for complex registry entries (automatically cached).</param>
        public override void SubInvoke(IRegistry registry, IRegistryResolver resolver)
        {
            IDictionary <string, INDArray> block    = (IDictionary <string, INDArray>)ParameterRegistry[DataIdentifier];
            IPassNetworkReceiver           receiver = (IPassNetworkReceiver)ParameterRegistry[ReceiverIdentifier];

            INetwork network = resolver.ResolveGetSingle <INetwork>("network.self");

            IDataProvider provider = new DefaultDataProvider();

            provider.SetExternalOutputLink("external_default", (targetsRegistry, layer, targetBlock) => { receiver.ReceivePass((INDArray)targetsRegistry["activations"]); });

            DataUtils.ProvideExternalInputData(provider, network, block);
            network.Run(Operator.Handler, false);
            DataUtils.ProvideExternalOutputData(provider, network, block);
        }
Esempio n. 20
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        /// <summary>
        /// Invoke this hook with a certain parameter registry if optional conditional criteria are satisfied.
        /// </summary>
        /// <param name="registry">The registry containing the required values for this hook's execution.</param>
        /// <param name="resolver">A helper resolver for complex registry entries (automatically cached).</param>
        public override void SubInvoke(IRegistry registry, IRegistryResolver resolver)
        {
            if (!ParameterRegistry.Get <bool>("requested_stop"))            // TODO should there be a flag to always stop / reset this parameter (e.g. if training is restarted with the same hooks)?
            {
                _logger.Info($"Stopping training because condition {InvokeCriteria} was met.");

                Operator.SignalStop();

                ParameterRegistry["requested_stop"] = true;
            }
            else
            {
                _logger.Debug($"Should stop training but stop signal was already sent.");
            }
        }
Esempio n. 21
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 protected BaseWorker(IOperator @operator, IComputationHandler handler, ThreadPriority priority = ThreadPriority.Highest)
 {
     Operator = @operator;
     Handler  = handler;
     LocalLocalHookTimeSteps          = new Dictionary <IHook, ITimeStep>();
     ThreadPriority                   = priority;
     _bufferHooksToInvoke             = new List <IHook>();
     _bufferHooksToInvokeInBackground = new List <IHook>();
     _bufferRegistryEntries           = new HashSet <string>();
     _bufferResolvedRegistryEntries   = new HashSet <string>();
     _bufferRegistry                  = new Registry();
     _bufferRegistryResolver          = new RegistryResolver(_bufferRegistry);
     _stateLock     = new object();
     _waitForResume = new ManualResetEvent(false);
 }
Esempio n. 22
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        /// <summary>
        /// End a validation scoring session.
        /// Write out results here.
        /// </summary>
        /// <param name="registry">The registry containing the required values for this hook's execution.</param>
        /// <param name="resolver">A helper resolver for complex registry entries (automatically cached).</param>
        protected override void ScoreEnd(IRegistry registry, IRegistryResolver resolver)
        {
            int[] tops = ParameterRegistry.Get <int[]>("tops");

            foreach (int top in tops)
            {
                string resultBaseKey = ParameterRegistry.Get <string>("result_base_key");

                int totalClassifications   = ParameterRegistry.Get <int>("total_classifications");
                int correctClassifications = ParameterRegistry.Get <int>($"correct_classifications_top{top}");

                double score = ((double)correctClassifications) / totalClassifications;

                resolver.ResolveSet(resultBaseKey + top, score, addIdentifierIfNotExists: true);
            }
        }
Esempio n. 23
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        /// <inheritdoc />
        public string GetName(IRegistry registry, IRegistryResolver resolver, object sender)
        {
            for (int i = 0; i < _parameterIdentifiers.Length; i++)
            {
                _bufferParameters[i] = resolver.ResolveGetSingle <object>(_parameterIdentifiers[i]);
            }

            string name = string.Format(_formatString, _bufferParameters);

            for (var i = 0; i < _bufferParameters.Length; i++)
            {
                _bufferParameters[i] = null;
            }

            return(name);
        }
Esempio n. 24
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        /// <inheritdoc />
        public override void SubInvoke(IRegistry registry, IRegistryResolver resolver)
        {
            IComputationHandler handler = Operator.Handler;

            string registryEntryToProcess = ParameterRegistry.Get <string>("registry_entry_to_process");
            Func <T, IComputationHandler, INumber> metricFunction = ParameterRegistry.Get <Func <T, IComputationHandler, INumber> >("metric_function");
            string metricSharedResultIdentifier = ParameterRegistry.Get <string>("metric_shared_result_identifier");

            object[] entries = resolver.ResolveGet <object>(registryEntryToProcess);

            double totalMetric = 0.0;
            int    count       = 0;

            foreach (object entry in entries)
            {
                T entryAsT = entry as T;
                IEnumerable <T>         entryAsEnumerable = entry as IEnumerable <T>;
                IDictionary <string, T> entryAsDictionary = entry as IDictionary <string, T>;

                if (entryAsDictionary != null)
                {
                    entryAsEnumerable = entryAsDictionary.Values;
                }

                if (entryAsT != null)
                {
                    totalMetric += metricFunction.Invoke(entryAsT, handler).GetValueAs <double>();
                    count++;
                }
                else if (entryAsEnumerable != null)
                {
                    foreach (T value in entryAsEnumerable)
                    {
                        totalMetric += metricFunction.Invoke(value, handler).GetValueAs <double>();
                        count++;
                    }
                }
                else
                {
                    throw new InvalidOperationException($"Cannot process metric for entry of type {entry.GetType()} with identifier \"{registryEntryToProcess}\", must be {typeof(T)} or enumerable thereof.");
                }
            }

            double resultMetric = totalMetric / count;

            resolver.ResolveSet(metricSharedResultIdentifier, resultMetric, addIdentifierIfNotExists: true);
        }
Esempio n. 25
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        /// <summary>
        /// Invoke this hook with a certain parameter registry.
        /// </summary>
        /// <param name="registry">The registry containing the required values for this hook's execution.</param>
        /// <param name="resolver">A helper resolver for complex registry entries (automatically cached).</param>
        public override void SubInvoke(IRegistry registry, IRegistryResolver resolver)
        {
            INetwork network = resolver.ResolveGetSingle <INetwork>("network.self");
            ITrainer trainer = resolver.ResolveGetSingle <ITrainer>("trainer.self");
            string   validationIteratorName   = ParameterRegistry.Get <string>("validation_iterator_name");
            string   finalExternalOutputAlias = ParameterRegistry.Get <string>("final_external_output_alias");
            string   activationsAlias         = ParameterRegistry.Get <string>("output_activations_alias");
            string   targetsAlias             = ParameterRegistry.Get <string>("targets_alias");

            if (!trainer.AdditionalNameDataIterators.ContainsKey(validationIteratorName))
            {
                throw new InvalidOperationException($"Additional named data iterator for validation with name \"{validationIteratorName}\" does not exist in referenced trainer {trainer} but is required.");
            }

            IDataIterator validationIterator = trainer.AdditionalNameDataIterators[validationIteratorName];

            ScoreBegin(registry, resolver);

            foreach (var block in validationIterator.Yield(Operator.Handler, Operator.Sigma))
            {
                trainer.ProvideExternalInputData(network, block);
                network.Run(Operator.Handler, trainingPass: false);

                INDArray finalOutputPredictions = null;

                foreach (ILayerBuffer layerBuffer in network.YieldExternalOutputsLayerBuffers())
                {
                    foreach (string outputAlias in layerBuffer.ExternalOutputs)
                    {
                        if (outputAlias.Equals(finalExternalOutputAlias))
                        {
                            finalOutputPredictions = Operator.Handler.ClearTrace(layerBuffer.Outputs[outputAlias].Get <INDArray>(activationsAlias));

                            goto FoundOutput;
                        }
                    }
                    ;
                }

                throw new InvalidOperationException($"Cannot find final output with alias \"{finalExternalOutputAlias}\" in the current network (but is required to score validation).");

FoundOutput:
                ScoreIntermediate(finalOutputPredictions, block[targetsAlias], Operator.Handler);
            }

            ScoreEnd(registry, resolver);
        }
Esempio n. 26
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        public override bool CheckCriteria(IRegistry registry, IRegistryResolver resolver)
        {
            ExtremaTarget target = ParameterRegistry.Get <ExtremaTarget>("target");
            string        parameter = ParameterRegistry.Get <string>("parameter_identifier");
            double        value = SimpleDirectEntries[0] ? registry.Get <double>(parameter) : resolver.ResolveGetSingle <double>(parameter);
            double        currentExtremum = ParameterRegistry.Get <double>("current_extremum");
            bool          reachedExtremum = target == ExtremaTarget.Min && value <currentExtremum || target == ExtremaTarget.Max && value> currentExtremum;

            if (double.IsNaN(currentExtremum) || reachedExtremum)
            {
                ParameterRegistry["current_extremum"] = value;

                return(true);
            }

            return(false);
        }
Esempio n. 27
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        /// <summary>
        /// Invoke this hook with a certain parameter registry.
        /// </summary>
        /// <param name="registry">The registry containing the required values for this hook's execution.</param>
        /// <param name="resolver">A helper resolver for complex registry entries (automatically cached).</param>
        public override void SubInvoke(IRegistry registry, IRegistryResolver resolver)
        {
            string[] accumulatedIdentifiers = ParameterRegistry.Get <string[]>("accumulated_identifiers");
            string[] valueIdentifiers       = ParameterRegistry.Get <string[]>("value_identifiers");

            IDictionary <string, object> valuesByIdentifier = ParameterRegistry.Get <IDictionary <string, object> >("value_buffer");

            for (int i = 0; i < valueIdentifiers.Length; i++)
            {
                // TODO let callee decide if it's a number (double) / something else
                object value = resolver.ResolveGetSingle <double>(accumulatedIdentifiers[i]);

                valuesByIdentifier[valueIdentifiers[i]] = value;
            }

            ReportValues(valuesByIdentifier, ParameterRegistry.Get <bool>("report_epoch_iteration"), registry.Get <int>("epoch"), registry.Get <int>("iteration"));
        }
        /// <summary>
        /// Invoke this hook with a certain parameter registry if optional conditional criteria are satisfied.
        /// </summary>
        /// <param name="registry">The registry containing the required values for this hook's execution.</param>
        /// <param name="resolver">A helper resolver for complex registry entries (automatically cached).</param>
        public override void SubInvoke(IRegistry registry, IRegistryResolver resolver)
        {
            INDArray desiredTargets = ParameterRegistry.Get <INDArray>("desired_targets");
            int      uid            = ParameterRegistry.Get <int>("uid");

            bool success = resolver.ResolveGetSingleWithDefault($"shared.target_maximisation_result_{uid}_success", false);

            if (!success)
            {
                _logger.Warn($"Failed target maximisation for {desiredTargets}, nothing to print.");
            }
            else
            {
                IComputationHandler handler = Operator.Handler;
                INDArray            inputs  = resolver.ResolveGetSingle <INDArray>($"shared.target_maximisation_result_{uid}_input");

                OnTargetMaximisationSuccess(handler, inputs, desiredTargets);
            }
        }
Esempio n. 29
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        /// <summary>
        /// Invoke this hook with a certain parameter registry if optional conditional criteria are satisfied.
        /// </summary>
        /// <param name="registry">The registry containing the required values for this hook's execution.</param>
        /// <param name="resolver">A helper resolver for complex registry entries (automatically cached).</param>
        public override void SubInvoke(IRegistry registry, IRegistryResolver resolver)
        {
            string      registryEntryToSave = ParameterRegistry.Get <string>("registry_entry_to_save");
            INamer      fileNamer           = ParameterRegistry.Get <INamer>("file_namer");
            object      toSerialise         = resolver.ResolveGetSingle <object>(registryEntryToSave);
            bool        verbose             = ParameterRegistry.Get <bool>("verbose");
            Func <T, T> selectFunction      = ParameterRegistry.Get <Func <T, T> >("select_function");

            toSerialise = selectFunction.Invoke((T)toSerialise);

            lock (fileNamer)
            {
                Serialisation.WriteBinaryFile(toSerialise, fileNamer.GetName(registry, resolver, this), verbose: false);
            }

            if (verbose)
            {
                _logger.Info($"Saved \"{registryEntryToSave}\" to \"{SigmaEnvironment.Globals.Get<string>("storage_path")}{fileNamer}\".");
            }
        }
Esempio n. 30
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        /// <summary>
        /// Check if the criteria is satisfied using a certain parameter registry and helper resolver from the base hook.
        /// </summary>
        /// <param name="registry">The registry.</param>
        /// <param name="resolver">The helper resolver.</param>
        /// <returns>A boolean indicating if this criteria is satisfied.</returns>
        public override bool CheckCriteria(IRegistry registry, IRegistryResolver resolver)
        {
            bool active;

            lock (ParameterRegistry)
            {
                int state = ParameterRegistry.Get <int>("state");

                active = state > 0;

                if (state != int.MaxValue && state > int.MinValue)
                {
                    state--;
                }

                ParameterRegistry["state"] = state;
            }

            return(active);
        }