org.nd4j.compression.impl

Class AbstractCompressor

java.lang.Object

org.nd4j.compression.impl.AbstractCompressor

All Implemented Interfaces:

NDArrayCompressor

Direct Known Subclasses:

Float16, Float8, Gzip, Int16, Int8, NoOp, Uint8

public abstract class AbstractCompressor
extends Object
implements NDArrayCompressor

Author:

raver119@gmail.com

Field Summary

Fields

Modifier and Type	Field and Description
protected static org.slf4j.Logger	logger

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(DataBuffer.TypeEx srcType, org.bytedeco.javacpp.Pointer srcPointer, int length, int elementSize)
protected DataBuffer.TypeEx	convertType(DataBuffer.Type type)
abstract DataBuffer	decompress(DataBuffer buffer)
INDArray	decompress(INDArray array)
void	decompressi(INDArray array)
protected DataBuffer.TypeEx	getBufferTypeEx(DataBuffer buffer)
protected DataBuffer.TypeEx	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

Field Detail

logger

protected static org.slf4j.Logger logger

Constructor Detail

AbstractCompressor

public AbstractCompressor()

Method Detail

compress

public INDArray compress(INDArray array)

Specified by:

compress in interface NDArrayCompressor

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)

Specified by:

decompress in interface NDArrayCompressor

compress

public abstract DataBuffer compress(DataBuffer buffer)

Specified by:

compress in interface NDArrayCompressor

convertType

protected DataBuffer.TypeEx convertType(DataBuffer.Type type)

getGlobalTypeEx

protected DataBuffer.TypeEx getGlobalTypeEx()

getBufferTypeEx

protected DataBuffer.TypeEx 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(DataBuffer.TypeEx srcType,
                                                        org.bytedeco.javacpp.Pointer srcPointer,
                                                        int length,
                                                        int elementSize)