Package org.apache.sysds.runtime.util

Class Py4jConverterUtils

java.lang.Object

org.apache.sysds.runtime.util.Py4jConverterUtils

public class Py4jConverterUtils
extends Object

Utils for converting python data to java.

Constructor Summary

Constructors

Constructor	Description
Py4jConverterUtils()

Method Summary

Modifier and Type	Method	Description
static MatrixBlock	allocateDenseOrSparse(int rlen, int clen, boolean isSparse)
static MatrixBlock	allocateDenseOrSparse(long rlen, long clen, boolean isSparse)
static Array<?>	convert(byte[] data, int numElements, Types.ValueType valueType)
static Array<?>[]	convertFused(byte[] data, int numElements, Types.ValueType[] valueTypes)
static byte[]	convertMBtoPy4JDenseArr(MatrixBlock mb)
static MatrixBlock	convertPy4JArrayToMB(byte[] data, int rlen, int clen)
static MatrixBlock	convertPy4JArrayToMB(byte[] data, int rlen, int clen, boolean isSparse, Types.ValueType valueType)
static MatrixBlock	convertPy4JArrayToMB(byte[] data, int rlen, int clen, Types.ValueType valueType)
static Object[]	convertRow(byte[] data, int numElements, Types.ValueType valueType)
static MatrixBlock	convertSciPyCOOToMB(byte[] data, byte[] row, byte[] col, int rlen, int clen, int nnz)
static MatrixBlock	convertSciPyCSRToMB(byte[] data, byte[] indices, byte[] indptr, int rlen, int clen, int nnz)

Methods inherited from class java.lang.Object

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

Constructor Details

Py4jConverterUtils

public Py4jConverterUtils()

Method Details

convertPy4JArrayToMB

public static MatrixBlock convertPy4JArrayToMB(byte[] data,
 int rlen,
 int clen)

convertPy4JArrayToMB

public static MatrixBlock convertPy4JArrayToMB(byte[] data,
 int rlen,
 int clen,
 Types.ValueType valueType)

convertSciPyCOOToMB

public static MatrixBlock convertSciPyCOOToMB(byte[] data,
 byte[] row,
 byte[] col,
 int rlen,
 int clen,
 int nnz)

convertSciPyCSRToMB

public static MatrixBlock convertSciPyCSRToMB(byte[] data,
 byte[] indices,
 byte[] indptr,
 int rlen,
 int clen,
 int nnz)

allocateDenseOrSparse

public static MatrixBlock allocateDenseOrSparse(int rlen,
 int clen,
 boolean isSparse)

allocateDenseOrSparse

public static MatrixBlock allocateDenseOrSparse(long rlen,
 long clen,
 boolean isSparse)

convertPy4JArrayToMB

public static MatrixBlock convertPy4JArrayToMB(byte[] data,
 int rlen,
 int clen,
 boolean isSparse,
 Types.ValueType valueType)

convert

public static Array<?> convert(byte[] data,
 int numElements,
 Types.ValueType valueType)

convertRow

public static Object[] convertRow(byte[] data,
 int numElements,
 Types.ValueType valueType)

convertFused

public static Array<?>[] convertFused(byte[] data,
 int numElements,
 Types.ValueType[] valueTypes)

convertMBtoPy4JDenseArr

public static byte[] convertMBtoPy4JDenseArr(MatrixBlock mb)