# Package org.apache.sysds.runtime.util

package org.apache.sysds.runtime.util

Related Packages
Package
Description
org.apache.sysds.runtime
Class
Description
AutoDiff
ByteBufferDataInput
CollectionUtils
CommonThreadPool
This common thread pool provides an abstraction to obtain a shared thread pool.
CommonThreadPool.SameThreadExecutorService
CounterBasedPRNGenerator
DataConverter
This class provides methods to read and write matrix blocks from to HDFS using different data formats.
DependencyTask<E>
DependencyThreadPool
DependencyWrapperTask<E>
DMVUtils
DMVUtils.LEVEL_ENUM
DnnUtils
DoubleBufferingOutputStream
EMAUtils
FastBufferedDataInputStream
FastBufferedDataOutputStream
This buffered output stream is essentially a merged version of BufferedOutputStream and DataOutputStream, wrt SystemDS requirements.
FastStringTokenizer
This string tokenizer is essentially a simplified StringTokenizer.
HDFSTool
IndexRange
InputStreamInputFormat
Custom input format and record reader to redirect common implementation of csv read over record readers (which are required for the parallel readers) to an input stream.
IPRNGenerator
LocalFileUtils
LongLongDoubleHashMap
This native long long - double hashmap is specifically designed for ctable operations which only require addvalue - extract semantics.
LongLongDoubleHashMap.ADoubleEntry
LongLongDoubleHashMap.EntryType
MemoryMonitor
This memory monitor periodically calls garbage collection in order to obtain the actual memory consumption during runtime.
NormalPRNGenerator
Class that can generate a stream of random numbers from standard normal distribution N(0,1).
PartitionFileManager
reference-counted file manager for SystemDS partition files.
PhiloxNormalCBPRNGenerator
PhiloxUniformCBPRNGenerator
PoissonPRNGenerator
Class that can generate a stream of random numbers from Poisson distribution with specified mean.
PorterStemmer
Stemmer, implementing the Porter Stemming Algorithm The Stemmer class transforms a word into its root form.
PRNGenerator
ProgramConverter
Program converter functionalities for (1) creating deep copies of program blocks, instructions, function program blocks, and (2) serializing and parsing of programs, program blocks, functions program blocks.
Py4jConverterUtils
Utils for converting python data to java.
RandNPair
Class that generates a pair of random numbers from standard normal distribution N(0,1).
SortUtils
Utilities for sorting, primarily used for SparseRows.
UniformPRNGenerator
UnixPipeUtils
UtilFunctions