Cleaned up layers, simplified dimensions

src/main/java/de/monticore/lang/monticar/cnnarch/gluongenerator/CNNArch2GluonLayerSupportChecker.java

@@ -28,6 +28,11 @@ public class CNNArch2GluonLayerSupportChecker extends LayerSupportChecker {
         supportedLayerList.add(AllPredefinedLayers.GRU_NAME);
         supportedLayerList.add(AllPredefinedLayers.EMBEDDING_NAME);
         supportedLayerList.add(AllPredefinedLayers.ARG_MAX_NAME);
+        supportedLayerList.add(AllPredefinedLayers.REPEAT_NAME);
+        supportedLayerList.add(AllPredefinedLayers.DOT_NAME);
+        supportedLayerList.add(AllPredefinedLayers.EXPAND_DIMS_NAME);
+        supportedLayerList.add(AllPredefinedLayers.SQUEEZE_NAME);
+        supportedLayerList.add(AllPredefinedLayers.SWAPAXES_NAME);
     }
 
 }

src/main/java/de/monticore/lang/monticar/cnnarch/gluongenerator/CNNArch2GluonTemplateController.java

@@ -26,6 +26,7 @@ import de.monticore.lang.monticar.cnnarch.generator.CNNArchTemplateController;
 import de.monticore.lang.monticar.cnnarch._symboltable.*;
 import de.monticore.lang.monticar.cnnarch.generator.TemplateConfiguration;
 import de.monticore.lang.monticar.cnnarch.predefined.AllPredefinedLayers;
+import de.se_rwth.commons.logging.Log;
 
 import java.io.Writer;
 import java.util.*;
@@ -61,7 +62,9 @@ public class CNNArch2GluonTemplateController extends CNNArchTemplateController {
                 }
             }
             else if (element.getType() == VariableSymbol.Type.LAYER) {
-                include(TEMPLATE_ELEMENTS_DIR_PATH, element.getLayerVariableDeclaration().getLayer().getName(), writer, netDefinitionMode);
+                if (element.getMember() != VariableSymbol.Member.OUTPUT) {
+                    include(TEMPLATE_ELEMENTS_DIR_PATH, element.getLayerVariableDeclaration().getLayer().getName(), writer, netDefinitionMode);
+                }
             }
         }
         else {
@@ -137,25 +140,13 @@ public class CNNArch2GluonTemplateController extends CNNArchTemplateController {
         include(architectureElement, getWriter(), netDefinitionMode);
     }
 
-    public Set<String> getStreamInputNames(SerialCompositeElementSymbol stream, boolean addStateIndex) {
-        if(addStateIndex) {
-            Set<String> names = getStreamInputs(stream, addStateIndex).keySet();
-            Set<String> newNames = new LinkedHashSet<>();
-            for (String name : names) {
-                // if LSTM state, transform name into list of hidden state and cell state
-                if (name.endsWith("_state_")) {
-                    name = "[" + name + "[0], " + name + "[1]]";
-                }
-                newNames.add(name);
-            }
-            return newNames;
-        }
-        return getStreamInputs(stream, addStateIndex).keySet();
+    public Set<String> getStreamInputNames(SerialCompositeElementSymbol stream) {
+        return getStreamInputs(stream).keySet();
     }
 
     // used for unroll
-    public List<String> getStreamInputNames(SerialCompositeElementSymbol stream, SerialCompositeElementSymbol currentStream, boolean addStateIndex) {
-        List<String> inputNames = new LinkedList<>(getStreamInputNames(stream, addStateIndex));
+    public List<String> getStreamInputNames(SerialCompositeElementSymbol stream, SerialCompositeElementSymbol currentStream) {
+        List<String> inputNames = new LinkedList<>(getStreamInputNames(stream));
         Map<String, String> pairs = getUnrollPairs(stream, currentStream);
 
         for (int i = 0; i != inputNames.size(); ++i) {
@@ -167,28 +158,8 @@ public class CNNArch2GluonTemplateController extends CNNArchTemplateController {
         return inputNames;
     }
 
-    public Collection<List<String>> getStreamInputDimensions(SerialCompositeElementSymbol stream, boolean useStateDim) {
-        if(useStateDim) {
-            return getStreamInputs(stream, false).values();
-        }else{
-            Set<String> names = getStreamInputs(stream, true).keySet();
-            List<List<String>> dims = new ArrayList<List<String>>(getStreamInputs(stream, false).values());
-            List<List<String>> result = new ArrayList<List<String>>();
-            int index = 0;
-            for (String name : names) {
-                if (name.endsWith("_state_") || name.endsWith("_state_[0]")) {
-                    ArrayList dim = new ArrayList<String>();
-                    dim.add("-1");
-                    dim.add(name.replace("_state_", "_output_.begin_state(batch_size=1, ctx=context)"));
-                    result.add(dim);
-                }else{
-                    result.add(dims.get(index));
-                }
-                index++;
-            }
-
-            return result;
-        }
+    public Collection<List<String>> getStreamInputDimensions(SerialCompositeElementSymbol stream) {
+        return getStreamInputs(stream).values();
     }
 
     public Set<String> getStreamOutputNames(SerialCompositeElementSymbol stream) {
@@ -200,7 +171,7 @@ public class CNNArch2GluonTemplateController extends CNNArchTemplateController {
             }
         }
 
-        outputNames.addAll(getStreamLayerVariableMembers(stream, "1", true, false, false).keySet());
+        outputNames.addAll(getStreamLayerVariableMembers(stream, true).keySet());
 
         return outputNames;
     }
@@ -220,25 +191,11 @@ public class CNNArch2GluonTemplateController extends CNNArchTemplateController {
     }
 
     // Used to initialize all layer variable members which are passed through the networks
-    public Map<String, List<List<String>>> getLayerVariableMembers(String batchSize, boolean includeStates) {
-        Map<String, List<List<String>>> members = new LinkedHashMap<>();
+    public  Map<String, List<String>> getLayerVariableMembers() {
+        Map<String, List<String>> members = new LinkedHashMap<>();
 
-        int index = 0;
         for (SerialCompositeElementSymbol stream : getArchitecture().getStreams()) {
-            List<List<String>> value = new ArrayList<>();
-            Map<String, List<String>> member = getStreamLayerVariableMembers(stream, batchSize, true, includeStates, false);
-            for (List<String> entry: member.values()){
-                value.add(entry);
-                ArrayList<String> streamIndex = new ArrayList<String>();
-                streamIndex.add(Integer.toString(index));
-                value.add(streamIndex);
-            }
-            for(String name: member.keySet()){
-                if(!members.containsKey(name)) {
-                    members.put(name, value);
-                }
-            }
-            index++;
+            members.putAll(getStreamLayerVariableMembers(stream, true));
         }
 
         return members;
@@ -272,7 +229,7 @@ public class CNNArch2GluonTemplateController extends CNNArchTemplateController {
         return pairs;
     }
 
-    private Map<String, List<String>> getStreamInputs(SerialCompositeElementSymbol stream, boolean addStateIndex) {
+    private Map<String, List<String>> getStreamInputs(SerialCompositeElementSymbol stream) {
         Map<String, List<String>> inputs = new LinkedHashMap<>();
 
         for (ArchitectureElementSymbol element : stream.getFirstAtomicElements()) {
@@ -284,19 +241,16 @@ public class CNNArch2GluonTemplateController extends CNNArchTemplateController {
                     dimensions.add(intDimension.toString());
                 }
 
-                // Add batch size dimension
-                dimensions.add(0, "1");
-
                 inputs.put(getName(element), dimensions);
             }
         }
 
-        inputs.putAll(getStreamLayerVariableMembers(stream, "1", false, false, addStateIndex));
+        inputs.putAll(getStreamLayerVariableMembers(stream, false));
 
         return inputs;
     }
 
-    private Map<String, List<String>> getStreamLayerVariableMembers(SerialCompositeElementSymbol stream, String batchSize, boolean includeOutput, boolean includeStates, boolean addStateIndex) {
+    private Map<String, List<String>> getStreamLayerVariableMembers(SerialCompositeElementSymbol stream, boolean includeOutput) {
         Map<String, List<String>> members = new LinkedHashMap<>();
 
         List<ArchitectureElementSymbol> elements = stream.getSpannedScope().resolveLocally(ArchitectureElementSymbol.KIND);
@@ -304,19 +258,20 @@ public class CNNArch2GluonTemplateController extends CNNArchTemplateController {
             if (element instanceof VariableSymbol) {
                 VariableSymbol variable = (VariableSymbol) element;
 
-                if (variable.getType() == VariableSymbol.Type.LAYER && (variable.getMember() == VariableSymbol.Member.NONE || includeStates)) {
+                if (variable.getType() == VariableSymbol.Type.LAYER && (variable.getMember() == VariableSymbol.Member.NONE)) {
                     LayerVariableDeclarationSymbol layerVariableDeclaration = variable.getLayerVariableDeclaration();
 
                     if (layerVariableDeclaration.getLayer().getDeclaration().isPredefined()) {
                         PredefinedLayerDeclaration predefinedLayerDeclaration =
                                 (PredefinedLayerDeclaration) layerVariableDeclaration.getLayer().getDeclaration();
 
-                        if (predefinedLayerDeclaration.isValidMember(VariableSymbol.Member.STATE)) {
-                            String name;
-                            if(addStateIndex && predefinedLayerDeclaration.getName().equals(AllPredefinedLayers.GRU_NAME)){
-                                name = variable.getName() + "_state_[0]";
-                            }else{
-                                name = variable.getName() + "_state_";
+                        int arrayLength = predefinedLayerDeclaration.getArrayLength(VariableSymbol.Member.STATE);
+
+                        for (int i = 0; i < arrayLength; ++i) {
+                            String name = variable.getName() + "_state_";
+
+                            if (arrayLength > 1) {
+                                name += i + "_";
                             }
 
                             List<Integer> intDimensions = predefinedLayerDeclaration.computeOutputTypes(
@@ -331,17 +286,19 @@ public class CNNArch2GluonTemplateController extends CNNArchTemplateController {
                                 dimensions.add(intDimension.toString());
                             }
 
-                            // Add batch size dimension at index 1, since RNN states in Gluon have the format
-                            // (layers, batch_size, units)
-                            dimensions.add(1, batchSize);
-
                             members.put(name, dimensions);
                         }
 
                         if (includeOutput) {
-                            if (predefinedLayerDeclaration.isValidMember(VariableSymbol.Member.OUTPUT)) {
+                            arrayLength = predefinedLayerDeclaration.getArrayLength(VariableSymbol.Member.OUTPUT);
+
+                            for (int i = 0; i < arrayLength; ++i) {
                                 String name = variable.getName() + "_output_";
 
+                                if (arrayLength > 1) {
+                                    name += i + "_";
+                                }
+
                                 List<Integer> intDimensions = predefinedLayerDeclaration.computeOutputTypes(
                                         layerVariableDeclaration.getLayer().getInputTypes(),
                                         layerVariableDeclaration.getLayer(),
@@ -354,9 +311,6 @@ public class CNNArch2GluonTemplateController extends CNNArchTemplateController {
                                     dimensions.add(intDimension.toString());
                                 }
 
-                                // Add batch size dimension at index 0, since we use NTC format for RNN output in Gluon
-                                dimensions.add(0, batchSize);
-
                                 members.put(name, dimensions);
                             }
                         }
@@ -367,6 +321,15 @@ public class CNNArch2GluonTemplateController extends CNNArchTemplateController {
         return members;
     }
 
+    // cuts
+    public List<String> cutDimensions(List<String> dimensions) {
+        while (dimensions.size() > 1 && dimensions.get(dimensions.size() - 1).equals("1")) {
+            dimensions.remove(dimensions.size() - 1);
+        }
+
+        return dimensions;
+    }
+
     public int getBeamSearchWidth(UnrollInstructionSymbol unroll){
         return unroll.getIntValue(AllPredefinedLayers.WIDTH_NAME).get();
     }

src/main/resources/templates/gluon/CNNCreator.ftl

@@ -57,8 +57,7 @@ class ${tc.fileNameWithoutEnding}:
         self.networks[${networkInstruction?index}] = Net_${networkInstruction?index}(data_mean=data_mean, data_std=data_std)
         self.networks[${networkInstruction?index}].collect_params().initialize(self.weight_initializer, ctx=context)
         self.networks[${networkInstruction?index}].hybridize()
-        self.networks[${networkInstruction?index}](<#list tc.getStreamInputDimensions(networkInstruction.body, false) as dimensions>
-        <#if dimensions[0] == "-1">self.networks[${networkInstruction?index}].${dimensions[1]}<#else>mx.nd.zeros((${tc.join(dimensions, ",")},), ctx=context)</#if> <#sep>, </#list>)
+        self.networks[${networkInstruction?index}](<#list tc.getStreamInputDimensions(networkInstruction.body) as dimensions>mx.nd.zeros((1, ${tc.join(tc.cutDimensions(dimensions), ",")},), ctx=context)<#sep>, </#list>)
 </#if>
 </#list>
 

src/main/resources/templates/gluon/CNNNet.ftl

@@ -2,88 +2,6 @@ import mxnet as mx
 import numpy as np
 from mxnet import gluon
 
-class OneHot(gluon.HybridBlock):
-    def __init__(self, size, **kwargs):
-        super(OneHot, self).__init__(**kwargs)
-        with self.name_scope():
-            self.size = size
-
-    def hybrid_forward(self, F, x):
-        return F.one_hot(indices=F.argmax(data=x, axis=1), depth=self.size)
-
-
-class Softmax(gluon.HybridBlock):
-    def __init__(self, **kwargs):
-        super(Softmax, self).__init__(**kwargs)
-
-    def hybrid_forward(self, F, x):
-        return F.softmax(x)
-
-
-class Split(gluon.HybridBlock):
-    def __init__(self, num_outputs, axis=1, **kwargs):
-        super(Split, self).__init__(**kwargs)
-        with self.name_scope():
-            self.axis = axis
-            self.num_outputs = num_outputs
-
-    def hybrid_forward(self, F, x):
-        return F.split(data=x, axis=self.axis, num_outputs=self.num_outputs)
-
-
-class Concatenate(gluon.HybridBlock):
-    def __init__(self, dim=1, **kwargs):
-        super(Concatenate, self).__init__(**kwargs)
-        with self.name_scope():
-            self.dim = dim
-
-    def hybrid_forward(self, F, *x):
-        return F.concat(*x, dim=self.dim)
-
-class Repeat(gluon.HybridBlock):
-    def __init__(self, repeats, axis=1, **kwargs):
-        super(Repeat, self).__init__(**kwargs)
-        with self.name_scope():
-            self.axis = axis
-            self.repeats = repeats
-
-    def hybrid_forward(self, F, x):
-        return F.repeat(data=x, axis=self.axis, repeats=self.repeats)
-
-class Dot(gluon.HybridBlock):
-    def __init__(self, **kwargs):
-        super(Dot, self).__init__(**kwargs)
-
-    def hybrid_forward(self, F, *x):
-        return F.batch_dot(*x)
-
-class ExpandDims(gluon.HybridBlock):
-    def __init__(self, dim=1, **kwargs):
-        super(ExpandDims, self).__init__(**kwargs)
-        with self.name_scope():
-            self.dim = dim
-
-    def hybrid_forward(self, F, x):
-        return F.expand_dims(data=x, axis=self.dim)
-
-class SwapAxes(gluon.HybridBlock):
-    def __init__(self, dim1, dim2, **kwargs):
-        super(SwapAxes, self).__init__(**kwargs)
-        with self.name_scope():
-            self.dim1 = dim1
-            self.dim2 = dim2
-
-    def hybrid_forward(self, F, x):
-        return F.swapaxes(data=x, dim1=self.dim1, dim2=self.dim2)
-
-class ReduceSum(gluon.HybridBlock):
-    def __init__(self, axis=1, **kwargs):
-        super(ReduceSum, self).__init__(**kwargs)
-        with self.name_scope():
-            self.axis = axis
-
-    def hybrid_forward(self, F, x):
-        return F.sum(data=x, axis=self.axis)
 
 class ZScoreNormalization(gluon.HybridBlock):
     def __init__(self, data_mean, data_std, **kwargs):
@@ -122,6 +40,42 @@ class NoNormalization(gluon.HybridBlock):
         return x
 
 
+class CustomRNN(gluon.HybridBlock):
+    def __init__(self, hidden_size, num_layers, bidirectional, **kwargs):
+        super(CustomRNN, self).__init__(**kwargs)
+        with self.name_scope():
+            self.rnn = gluon.rnn.RNN(hidden_size=hidden_size, num_layers=num_layers,
+                                     bidirectional=bidirectional, activation='tanh', layout='NTC')
+
+    def hybrid_forward(self, F, data, state0):
+        output, [state0] = self.rnn(data, [F.swapaxes(state0, 0, 1)])
+        return output, F.swapaxes(state0, 0, 1)
+
+
+class CustomLSTM(gluon.HybridBlock):
+    def __init__(self, hidden_size, num_layers, bidirectional, **kwargs):
+        super(CustomLSTM, self).__init__(**kwargs)
+        with self.name_scope():
+            self.lstm = gluon.rnn.LSTM(hidden_size=hidden_size, num_layers=num_layers,
+                                       bidirectional=bidirectional, layout='NTC')
+
+    def hybrid_forward(self, F, data, state0, state1):
+        output, [state0, state1] = self.lstm(data, [F.swapaxes(state0, 0, 1), F.swapaxes(state1, 0, 1)])
+        return output, F.swapaxes(state0, 0, 1), F.swapaxes(state1, 0, 1)
+
+
+class CustomGRU(gluon.HybridBlock):
+    def __init__(self, hidden_size, num_layers, bidirectional, **kwargs):
+        super(CustomGRU, self).__init__(**kwargs)
+        with self.name_scope():
+            self.gru = gluon.rnn.GRU(hidden_size=hidden_size, num_layers=num_layers,
+                                     bidirectional=bidirectional, layout='NTC')
+
+    def hybrid_forward(self, F, data, state0):
+        output, [state0] = self.gru(data, [F.swapaxes(state0, 0, 1)])
+        return output, F.swapaxes(state0, 0, 1)
+
+
 <#list tc.architecture.networkInstructions as networkInstruction>
 <#if networkInstruction.body.isTrainable()>
 class Net_${networkInstruction?index}(gluon.HybridBlock):
@@ -131,7 +85,7 @@ class Net_${networkInstruction?index}(gluon.HybridBlock):
         with self.name_scope():
 ${tc.include(networkInstruction.body, "ARCHITECTURE_DEFINITION")}
 
-    def hybrid_forward(self, F, ${tc.join(tc.getStreamInputNames(networkInstruction.body, false), ", ")}):
+    def hybrid_forward(self, F, ${tc.join(tc.getStreamInputNames(networkInstruction.body), ", ")}):
 ${tc.include(networkInstruction.body, "FORWARD_FUNCTION")}
         return ${tc.join(tc.getStreamOutputNames(networkInstruction.body), ", ")}
 

src/main/resources/templates/gluon/CNNPredictor.ftl

@@ -16,13 +16,13 @@ public:
     const std::string json_file = "model/${tc.componentName}/model_${networkInstruction?index}_newest-symbol.json";
     const std::string param_file = "model/${tc.componentName}/model_${networkInstruction?index}_newest-0000.params";
     const std::vector<std::string> input_keys = {
-<#if tc.getStreamInputNames(networkInstruction.body, false)?size == 1>
+<#if tc.getStreamInputNames(networkInstruction.body)?size == 1>
         "data"
 <#else>
-        <#list tc.getStreamInputNames(networkInstruction.body, false) as variable>"data${variable?index}"<#sep>, </#list>
+        <#list tc.getStreamInputNames(networkInstruction.body) as variable>"data${variable?index}"<#sep>, </#list>
 </#if>
     };
-    const std::vector<std::vector<mx_uint>> input_shapes = {<#list tc.getStreamInputDimensions(networkInstruction.body, true) as dimensions>{${tc.join(dimensions, ", ")}}<#sep>, </#list>};
+    const std::vector<std::vector<mx_uint>> input_shapes = {<#list tc.getStreamInputDimensions(networkInstruction.body) as dimensions>{${tc.join(dimensions, ", ")}}<#sep>, </#list>};
     const bool use_gpu = false;
 
     PredictorHandle handle;
@@ -35,9 +35,9 @@ public:
         if(handle) MXPredFree(handle);
     }
 
-    void predict(${tc.join(tc.getStreamInputNames(networkInstruction.body, false), ", ", "const std::vector<float> &in_", "")},
+    void predict(${tc.join(tc.getStreamInputNames(networkInstruction.body), ", ", "const std::vector<float> &in_", "")},
                  ${tc.join(tc.getStreamOutputNames(networkInstruction.body), ", ", "std::vector<float> &out_", "")}){
-<#list tc.getStreamInputNames(networkInstruction.body, false) as variable>
+<#list tc.getStreamInputNames(networkInstruction.body) as variable>
         MXPredSetInput(handle, input_keys[${variable?index}].c_str(), in_${variable}.data(), static_cast<mx_uint>(in_${variable}.size()));
 </#list>
 

src/main/resources/templates/gluon/CNNTrainer.ftl

@@ -37,7 +37,7 @@ if __name__ == "__main__":
         normalize=${config.normalize?string("True","False")},
 </#if>
 <#if (config.evalMetric)??>
-        eval_metric='${config.evalMetric.metric}',
+        eval_metric='${config.evalMetric.name}',
         eval_metric_params={
 <#if (config.evalMetric.exclude)??>
             'exclude': [<#list config.evalMetric.exclude as value>${value}<#sep>, </#list>],

src/main/resources/templates/gluon/elements/Concatenate.ftl

-<#assign dim = element.dim?c>
-<#if mode == "ARCHITECTURE_DEFINITION">
-            self.${element.name} = Concatenate(dim=${dim})
-            <#include "OutputShape.ftl">
-<#elseif mode == "FORWARD_FUNCTION">
-        ${element.name} = self.${element.name}(${tc.join(element.inputs, ", ")})
+<#assign axis = (element.axis + 1)?c>
+<#if mode == "FORWARD_FUNCTION">
+        ${element.name} = F.concat(${tc.join(element.inputs, ", ")}, dim=${axis})
 </#if>
\ No newline at end of file

src/main/resources/templates/gluon/elements/Dot.ftl

-<#if mode == "ARCHITECTURE_DEFINITION">
-            self.${element.name} = Dot()
-            <#include "OutputShape.ftl">
-<#elseif mode == "FORWARD_FUNCTION">
-        ${element.name} = self.${element.name}(${tc.join(element.inputs, ", ")})
+<#if mode == "FORWARD_FUNCTION">
+        ${element.name} = F.batch_dot(${tc.join(element.inputs, ", ")})
 </#if>
\ No newline at end of file

src/main/resources/templates/gluon/elements/ExpandDims.ftl

-<#assign dim = element.dim?c>
-<#if mode == "ARCHITECTURE_DEFINITION">
-            self.${element.name} = ExpandDims(dim=${dim})
-            <#include "OutputShape.ftl">
-<#elseif mode == "FORWARD_FUNCTION">
-        ${element.name} = self.${element.name}(${element.inputs[0]})
+<#assign axis = (element.axis + 1)?c>
+<#if mode == "FORWARD_FUNCTION">
+        ${element.name} = F.expand_dims(${element.inputs[0]}, axis=${axis})
 </#if>
\ No newline at end of file

src/main/resources/templates/gluon/elements/FullyConnected.ftl

-<#if element.member == "NONE">
 <#assign input = element.inputs[0]>
 <#assign units = element.units?c>
 <#assign use_bias = element.noBias?string("False","True")>
@@ -8,16 +7,4 @@
             <#include "OutputShape.ftl">
 <#elseif mode == "FORWARD_FUNCTION">
         ${element.name} = self.${element.name}(${input})
-</#if>
-<#elseif element.member == "STATE">
-<#if element.inputs?size gte 1>
-<#assign input = element.inputs[0]>
-<#if mode == "FORWARD_FUNCTION">
-        ${element.name} = ${input}
-<#elseif mode == "PYTHON_INLINE">
-                    ${element.name} = ${input}
-<#elseif mode == "CPP_INLINE">
-    ${element.name} = ${input}
-</#if>
-</#if>
 </#if>
\ No newline at end of file

src/main/resources/templates/gluon/elements/GRU.ftl

 <#if element.member == "NONE">
 <#assign input = element.inputs[0]>
 <#if mode == "ARCHITECTURE_DEFINITION">
-            self.${element.name} = gluon.rnn.GRU(hidden_size=${element.units?c},
+            self.${element.name} = CustomGRU(hidden_size=${element.units?c},
                 num_layers=${element.layers?c},
-                bidirectional=${element.bidirectional?string("True", "False")},
-                layout='NTC')
+                bidirectional=${element.bidirectional?string("True", "False")})
             <#include "OutputShape.ftl">
 <#elseif mode == "FORWARD_FUNCTION">
 <#if element.isVariable()>

src/main/resources/templates/gluon/elements/Get.ftl

 <#if mode == "FORWARD_FUNCTION">
-        ${element.name} = [${element.inputs[element.index]}]
+        ${element.name} = ${element.inputs[element.index]}
 <#elseif mode == "PYTHON_INLINE">
-                    ${element.name} = [${element.inputs[element.index]}]
+                    ${element.name} = ${element.inputs[element.index]}
 <#elseif mode == "CPP_INLINE">
     vector<float> ${element.name} = ${element.inputs[element.index]};
-</#if>
\ No newline at end of file
+</#if>

src/main/resources/templates/gluon/elements/LSTM.ftl

 <#if element.member == "NONE">
 <#assign input = element.inputs[0]>
 <#if mode == "ARCHITECTURE_DEFINITION">
-            self.${element.name} = gluon.rnn.LSTM(hidden_size=${element.units?c},
+            self.${element.name} = CustomLSTM(hidden_size=${element.units?c},
                 num_layers=${element.layers?c},
-                bidirectional=${element.bidirectional?string("True", "False")},
-                layout='NTC')
+                bidirectional=${element.bidirectional?string("True", "False")})
             <#include "OutputShape.ftl">
 <#elseif mode == "FORWARD_FUNCTION">
 <#if element.isVariable()>
-        ${element.name}, ${element.element.name}_state_ = self.${element.name}(${input}, ${element.element.name}_state_)
+        ${element.name}, ${element.element.name}_state_0_, ${element.element.name}_state_1_ = self.${element.name}(${input}, ${element.element.name}_state_0_, ${element.element.name}_state_1_)
 <#else>
         ${element.name} = self.${element.name}(${input})
 </#if>

src/main/resources/templates/gluon/elements/OneHot.ftl

 <#assign input = element.inputs[0]>
 <#assign size = element.size?c>
-<#if mode == "ARCHITECTURE_DEFINITION">
-            self.${element.name} = OneHot(size=${size})
-            <#include "OutputShape.ftl">
-<#elseif mode == "FORWARD_FUNCTION">
-        ${element.name} = self.${element.name}(${input})
+<#if mode == "FORWARD_FUNCTION">
+        ${element.name} = F.one_hot(indices=${input}, depth=${size})
 <#elseif mode == "PYTHON_INLINE">
                     ${element.name} = nd.one_hot(indices=${input}, depth=${size})
 <#elseif mode == "CPP_INLINE">

src/main/resources/templates/gluon/elements/RNN.ftl

 <#if element.member == "NONE">
 <#assign input = element.inputs[0]>
 <#if mode == "ARCHITECTURE_DEFINITION">
-            self.${element.name} = gluon.rnn.RNN(hidden_size=${element.units?c},
+            self.${element.name} = CustomRNN(hidden_size=${element.units?c},
                 num_layers=${element.layers?c},
-                bidirectional=${element.bidirectional?string("True", "False")},
-                activation='tanh',
-                layout='NTC')
+                bidirectional=${element.bidirectional?string("True", "False")})
             <#include "OutputShape.ftl">
 <#elseif mode == "FORWARD_FUNCTION">
 <#if element.isVariable()>

src/main/resources/templates/gluon/elements/ReduceSum.ftl

-<#assign axis = element.axis?c>
-<#if mode == "ARCHITECTURE_DEFINITION">
-            self.${element.name} = ReduceSum(axis=${axis})
-            <#include "OutputShape.ftl">
-<#elseif mode == "FORWARD_FUNCTION">
-        ${element.name} = self.${element.name}(${element.inputs[0]})
+<#assign axis = (element.axis + 1)?c>
+<#if mode == "FORWARD_FUNCTION">
+        ${element.name} = F.sum(${element.inputs[0]}, axis=${axis})
 </#if>
\ No newline at end of file

src/main/resources/templates/gluon/elements/Repeat.ftl

-<#assign axis = element.axis?c>
+<#assign axis = (element.axis != -1)?then((element.axis + 1)?c, 'None')>
 <#assign repeats = element.repeats?c>