org.nd4j.compression.impl

Class AbstractCompressor

java.lang.Object

org.nd4j.compression.impl.AbstractCompressor

All Implemented Interfaces:

NDArrayCompressor

Direct Known Subclasses:

Gzip, NoOp

public abstract class AbstractCompressor
extends Object
implements NDArrayCompressor

Author:

raver119@gmail.com

Constructor Summary

Constructors

Constructor and Description
AbstractCompressor()

Method Summary

Modifier and Type	Method and Description
abstract DataBuffer	compress(DataBuffer buffer)
INDArray	compress(double[] data) This method creates compressed INDArray from Java double array, skipping usual INDArray instantiation routines Please note: This method compresses input data as vector
INDArray	compress(double[] data, int[] shape, char order) This method creates compressed INDArray from Java double array, skipping usual INDArray instantiation routines
INDArray	compress(float[] data) This method creates compressed INDArray from Java float array, skipping usual INDArray instantiation routines Please note: This method compresses input data as vector
INDArray	compress(float[] data, int[] shape, char order) This method creates compressed INDArray from Java float array, skipping usual INDArray instantiation routines
INDArray	compress(INDArray array)
void	compressi(INDArray array) Inplace compression of INDArray
protected abstract CompressedDataBuffer	compressPointer(DataTypeEx srcType, org.bytedeco.javacpp.Pointer srcPointer, int length, int elementSize)
void	configure(Object... vars) This method has no effect in this compressor
protected static DataTypeEx	convertType(DataType type)
abstract DataBuffer	decompress(DataBuffer buffer, DataType dataType)
INDArray	decompress(INDArray array)
void	decompressi(INDArray array)
static DataTypeEx	getBufferTypeEx(DataBuffer buffer)
protected DataTypeEx	getGlobalTypeEx()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.nd4j.linalg.compression.NDArrayCompressor

getCompressionType, getDescriptor

Constructor Detail

AbstractCompressor

public AbstractCompressor()

Method Detail

compress

public INDArray compress(INDArray array)

Specified by:

compress in interface NDArrayCompressor

configure

public void configure(Object... vars)

This method has no effect in this compressor

Specified by:

configure in interface NDArrayCompressor

Parameters:

vars -

compressi

public void compressi(INDArray array)

Inplace compression of INDArray

Specified by:

compressi in interface NDArrayCompressor

Parameters:

array -

decompressi

public void decompressi(INDArray array)

Specified by:

decompressi in interface NDArrayCompressor

decompress

public INDArray decompress(INDArray array)

Specified by:

decompress in interface NDArrayCompressor

decompress

public abstract DataBuffer decompress(DataBuffer buffer,
                                      DataType dataType)

Specified by:

decompress in interface NDArrayCompressor

compress

public abstract DataBuffer compress(DataBuffer buffer)

Specified by:

compress in interface NDArrayCompressor

convertType

protected static DataTypeEx convertType(DataType type)

getGlobalTypeEx

protected DataTypeEx getGlobalTypeEx()

getBufferTypeEx

public static DataTypeEx getBufferTypeEx(DataBuffer buffer)

compress

public INDArray compress(float[] data)

This method creates compressed INDArray from Java float array, skipping usual INDArray instantiation routines Please note: This method compresses input data as vector

Specified by:

compress in interface NDArrayCompressor

Parameters:

data -

Returns:

compress

public INDArray compress(double[] data)

This method creates compressed INDArray from Java double array, skipping usual INDArray instantiation routines Please note: This method compresses input data as vector

Specified by:

compress in interface NDArrayCompressor

Parameters:

data -

Returns:

compress

public INDArray compress(float[] data,
                         int[] shape,
                         char order)

This method creates compressed INDArray from Java float array, skipping usual INDArray instantiation routines

Specified by:

compress in interface NDArrayCompressor

Parameters:

data -

shape -

order -

Returns:

compress

public INDArray compress(double[] data,
                         int[] shape,
                         char order)

This method creates compressed INDArray from Java double array, skipping usual INDArray instantiation routines

Specified by:

compress in interface NDArrayCompressor

Parameters:

data -

shape -

order -

Returns:

compressPointer

protected abstract CompressedDataBuffer compressPointer(DataTypeEx srcType,
                                                        org.bytedeco.javacpp.Pointer srcPointer,
                                                        int length,
                                                        int elementSize)