org.nd4j.linalg.api.ops.impl.transforms.custom.DynamicPartition Maven / Gradle / Ivy
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package org.nd4j.linalg.api.ops.impl.transforms.custom;
import lombok.NonNull;
import lombok.val;
import org.nd4j.autodiff.samediff.SDVariable;
import org.nd4j.autodiff.samediff.SameDiff;
import org.nd4j.imports.descriptors.properties.PropertyMapping;
import org.nd4j.imports.graphmapper.tf.TFGraphMapper;
import org.nd4j.linalg.api.buffer.DataType;
import org.nd4j.linalg.api.ndarray.INDArray;
import org.nd4j.linalg.api.ops.DynamicCustomOp;
import org.nd4j.linalg.api.ops.impl.transforms.gradient.DynamicPartitionBp;
import org.tensorflow.framework.AttrValue;
import org.tensorflow.framework.GraphDef;
import org.tensorflow.framework.NodeDef;
import java.util.*;
public class DynamicPartition extends DynamicCustomOp {
private int numPartitions;
private SDVariable partitions;
public DynamicPartition() {
}
public DynamicPartition(SameDiff sameDiff, SDVariable input, SDVariable[] partitions, int numPartitions) {
this(sameDiff, input, partitions[0], numPartitions);
}
public DynamicPartition(SameDiff sameDiff, SDVariable input, SDVariable partitions, int numPartitions) {
super(null, sameDiff, new SDVariable[] {input, partitions}, false);
this.partitions = partitions;
this.numPartitions = numPartitions;
addArgs();
}
public DynamicPartition(@NonNull INDArray input, @NonNull INDArray partitions, int numPartitions) {
super(new INDArray[]{input, partitions}, null);
this.numPartitions = numPartitions;
addArgs();
}
public DynamicPartition(INDArray x, INDArray [] partitions, int numPartitions){
//TODO; This needs fixing.
super(new INDArray[]{x}, null);
// this.partitions = partitions;
this.numPartitions = numPartitions;
addArgs();
}
@Override
public List doDiff(List i_v) {
return new DynamicPartitionBp(sameDiff, arg(0), arg(1), i_v.toArray(new SDVariable[i_v.size()]), numPartitions).outputs();
}
protected void addArgs() {
addIArgument(numPartitions);
}
@Override
public void initFromTensorFlow(NodeDef nodeDef, SameDiff initWith, Map attributesForNode, GraphDef graph) {
TFGraphMapper.initFunctionFromProperties(nodeDef.getOp(), this, attributesForNode, nodeDef, graph);
addArgs();
}
@Override
public Map> mappingsForFunction() {
Map> ret = new HashMap<>();
Map attrs = new LinkedHashMap<>();
val numPartitions = PropertyMapping.builder()
.tfAttrName("num_partitions")
.propertyNames(new String[]{"numPartitions"})
.build();
attrs.put("numPartitions", numPartitions);
ret.put(tensorflowName(),attrs);
return ret;
}
@Override
public String opName() {
return "dynamic_partition";
}
@Override
public String tensorflowName() {
return "DynamicPartition";
}
@Override
public String onnxName() {
return "Dynamic partitioning currently not supported by ONNX";
}
@Override
public int getNumOutputs(){
return numPartitions;
}
@Override
public List calculateOutputDataTypes(List dataTypes){
//Output type: same as (data) input type
List out = new ArrayList<>(numPartitions);
for( int i=0; i