Serialized Form (SystemDS 2.0.0 API)

Package org.apache.sysds.api
- Class org.apache.sysds.api.DMLException extends RuntimeException implements Serializable
  
  serialVersionUID:
  
  1L
Package org.apache.sysds.api.mlcontext
- Class org.apache.sysds.api.mlcontext.MLContextException extends RuntimeException implements Serializable
  
  serialVersionUID:
  
  1842275827863526536L
  - Serialized Fields
    - suppressStacktrace
```
boolean suppressStacktrace
```
Package org.apache.sysds.hops
- Class org.apache.sysds.hops.HopsException extends DMLException implements Serializable
  
  serialVersionUID:
  
  1L
Package org.apache.sysds.lops
- Class org.apache.sysds.lops.LopsException extends DMLException implements Serializable
  
  serialVersionUID:
  
  1L
Package org.apache.sysds.parser
- Class org.apache.sysds.parser.LanguageException extends DMLException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.sysds.parser.ParseException extends DMLException implements Serializable
  
  serialVersionUID:
  
  9199966053655385928L
  - Serialized Fields
    - _parseIssues
```
List<E> _parseIssues
```
      List of issues that happened during parsing. Typically set by the error listener.
    - _scriptString
```
String _scriptString
```
      The DML/PyDML script string. Used to display the original lines where the parse issues occurred.
    - _message
```
String _message
```
      Standard exception message. If no list of parse issues exists, this message can be used to display a parse exception message that doesn't relate to the list of parse issues.
Package org.apache.sysds.runtime
- Class org.apache.sysds.runtime.DMLCompressionException extends DMLRuntimeException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.sysds.runtime.DMLRuntimeException extends DMLException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.sysds.runtime.DMLScriptException extends DMLRuntimeException implements Serializable
  
  serialVersionUID:
  
  1L
Package org.apache.sysds.runtime.codegen
- Class org.apache.sysds.runtime.codegen.SpoofCellwise extends SpoofOperator implements Serializable
  
  serialVersionUID:
  
  3442528770573293590L
  - Serialized Fields
    - _type
```
SpoofCellwise.CellType _type
```
    - _aggOp
```
SpoofCellwise.AggOp _aggOp
```
    - _sparseSafe
```
boolean _sparseSafe
```
    - _containsSeq
```
boolean _containsSeq
```
- Class org.apache.sysds.runtime.codegen.SpoofMultiAggregate extends SpoofOperator implements Serializable
  
  serialVersionUID:
  
  -6164871955591089349L
  - Serialized Fields
    - _aggOps
```
SpoofCellwise.AggOp[] _aggOps
```
    - _sparseSafe
```
boolean _sparseSafe
```
- Class org.apache.sysds.runtime.codegen.SpoofOperator extends Object implements Serializable
  
  serialVersionUID:
  
  3834006998853573319L
- Class org.apache.sysds.runtime.codegen.SpoofOuterProduct extends SpoofOperator implements Serializable
  
  serialVersionUID:
  
  2948612259863710279L
  - Serialized Fields
    - _outerProductType
```
SpoofOuterProduct.OutProdType _outerProductType
```
- Class org.apache.sysds.runtime.codegen.SpoofRowwise extends SpoofOperator implements Serializable
  
  serialVersionUID:
  
  6242910797139642998L
  - Serialized Fields
    - _type
```
SpoofRowwise.RowType _type
```
    - _constDim2
```
long _constDim2
```
    - _tB1
```
boolean _tB1
```
    - _reqVectMem
```
int _reqVectMem
```
Package org.apache.sysds.runtime.compress
- Class org.apache.sysds.runtime.compress.AbstractCompressedMatrixBlock extends MatrixBlock implements Serializable
  - Serialization Methods
    - readExternal
```
public void readExternal(ObjectInput is)
                  throws IOException
```
      Redirects the default java serialization via externalizable to our default hadoop writable serialization for efficient broadcast/rdd deserialization.
      
      Throws:
      
      IOException - if IOException occurs
    - writeExternal
```
public void writeExternal(ObjectOutput os)
                   throws IOException
```
      Redirects the default java serialization via externalizable to our default hadoop writable serialization for efficient broadcast/rdd serialization.
      
      Throws:
      
      IOException - if IOException occurs
- Class org.apache.sysds.runtime.compress.CompressedMatrixBlock extends AbstractCompressedMatrixBlock implements Serializable
  
  serialVersionUID:
  
  7319372019143154058L
  - Serialization Methods
    - readExternal
```
public void readExternal(ObjectInput is)
                  throws IOException
```
      Redirects the default java serialization via externalizable to our default hadoop writable serialization for efficient broadcast/rdd de-serialization.
      
      Throws:
      
      IOException - if IOException occurs
    - writeExternal
```
public void writeExternal(ObjectOutput os)
                   throws IOException
```
      Redirects the default java serialization via externalizable to our default hadoop writable serialization for efficient broadcast/rdd serialization.
      
      Throws:
      
      IOException - if IOException occurs
Package org.apache.sysds.runtime.compress.colgroup
- Class org.apache.sysds.runtime.compress.colgroup.ColGroup extends Object implements Serializable
  
  serialVersionUID:
  
  2439785418908671481L
  - Serialized Fields
    - _colIndexes
```
int[] _colIndexes
```
      The ColGroup Indexes 0 offset, contained in the ColGroup
    - _numRows
```
int _numRows
```
      Number of rows in the matrix, for use by child classes.
    - _zeros
```
boolean _zeros
```
      ColGroup Implementation Contains zero row. Note this is not if it contains a zero value. If false then the stored values are filling the ColGroup making it a dense representation, that can be leveraged in operations.
    - _lossy
```
boolean _lossy
```
      boolean specifying if the column group is encoded lossy
- Class org.apache.sysds.runtime.compress.colgroup.ColGroupDDC extends ColGroupValue implements Serializable
  
  serialVersionUID:
  
  -3204391646123465004L
- Class org.apache.sysds.runtime.compress.colgroup.ColGroupDDC1 extends ColGroupDDC implements Serializable
  
  serialVersionUID:
  
  5204955589230760157L
  - Serialized Fields
    - _data
```
byte[] _data
```
- Class org.apache.sysds.runtime.compress.colgroup.ColGroupDDC2 extends ColGroupDDC implements Serializable
  
  serialVersionUID:
  
  -3995768285207071013L
  - Serialized Fields
    - _data
```
char[] _data
```
- Class org.apache.sysds.runtime.compress.colgroup.ColGroupOffset extends ColGroupValue implements Serializable
  
  serialVersionUID:
  
  -1635828933479403125L
  - Serialized Fields
    - _ptr
```
int[] _ptr
```
      Bitmaps, one per uncompressed value tuple in ColGroupValue._dict.
    - _data
```
char[] _data
```
      Linearized bitmaps (variable lengths)
- Class org.apache.sysds.runtime.compress.colgroup.ColGroupOLE extends ColGroupOffset implements Serializable
  
  serialVersionUID:
  
  -9157676271360528008L
  - Serialized Fields
    - _skipList
```
int[] _skipList
```
- Class org.apache.sysds.runtime.compress.colgroup.ColGroupRLE extends ColGroupOffset implements Serializable
  
  serialVersionUID:
  
  7450232907594748177L
- Class org.apache.sysds.runtime.compress.colgroup.ColGroupUncompressed extends ColGroup implements Serializable
  
  serialVersionUID:
  
  4870546053280378891L
  - Serialized Fields
    - _data
```
MatrixBlock _data
```
      We store the contents of the columns as a MatrixBlock to take advantage of high-performance routines available for this data structure.
- Class org.apache.sysds.runtime.compress.colgroup.ColGroupValue extends ColGroup implements Serializable
  
  serialVersionUID:
  
  3786247536054353658L
  - Serialized Fields
    - _dict
```
ADictionary _dict
```
      Distinct value tuples associated with individual bitmaps.
Package org.apache.sysds.runtime.controlprogram
- Class org.apache.sysds.runtime.controlprogram.ParForProgramBlock.PartitionFormat extends Object implements Serializable
  
  serialVersionUID:
  
  4729309847778707801L
  - Serialized Fields
    - _dpf
```
ParForProgramBlock.PDataPartitionFormat _dpf
```
    - _N
```
int _N
```
Package org.apache.sysds.runtime.controlprogram.caching
- Class org.apache.sysds.runtime.controlprogram.caching.CacheableData extends Data implements Serializable
  
  serialVersionUID:
  
  -413810592207212835L
  - Serialized Fields
    - _uniqueID
```
long _uniqueID
```
      The unique (JVM-wide) ID of a cacheable data object; to ensure unique IDs across JVMs, we concatenate filenames with a unique prefix (map task ID).
    - _cacheStatus
```
CacheableData.CacheStatus _cacheStatus
```
      The cache status of the data blob (whether it can be or is evicted, etc.
    - _cache
```
SoftReference<T> _cache
```
      Cache for actual data, evicted by garbage collector.
    - _data
```
CacheBlock _data
```
      Container object that holds the actual data.
    - _metaData
```
MetaData _metaData
```
      Object that holds the metadata associated with the matrix, which includes: 1) Matrix dimensions, if available 2) Number of non-zeros, if available 3) Block dimensions, if applicable 4) InputInfo -- subsequent operations that use this Matrix expect it to be in this format. When the matrix is written to HDFS (local file system, as well?), one must get the OutputInfo that matches with InputInfo stored inside _mtd.
    - _fedMapping
```
FederationMap _fedMapping
```
    - _hdfsFileName
```
String _hdfsFileName
```
      The name of HDFS file in which the data is backed up.
    - _hdfsFileExists
```
boolean _hdfsFileExists
```
      Flag that indicates whether or not hdfs file exists.It is used for improving the performance of "rmvar" instruction. When it has value false, one can skip file system existence checks which can be expensive.
    - _formatProps
```
FileFormatProperties _formatProps
```
      Information relevant to specific external file formats.
    - _dirtyFlag
```
boolean _dirtyFlag
```
      true if the in-memory or evicted matrix may be different from the matrix located at CacheableData._hdfsFileName; false if the two matrices should be the same.
    - _numReadThreads
```
int _numReadThreads
```
    - _cleanupFlag
```
boolean _cleanupFlag
```
    - _cacheFileName
```
String _cacheFileName
```
    - _requiresLocalWrite
```
boolean _requiresLocalWrite
```
    - _isAcquireFromEmpty
```
boolean _isAcquireFromEmpty
```
    - _rddHandle
```
RDDObject _rddHandle
```
    - _bcHandle
```
BroadcastObject<T extends CacheBlock> _bcHandle
```
    - _gpuObjects
```
HashMap<K,V> _gpuObjects
```
- Class org.apache.sysds.runtime.controlprogram.caching.FrameObject extends CacheableData<FrameBlock> implements Serializable
  
  serialVersionUID:
  
  1755082174281927785L
  - Serialized Fields
    - _schema
```
Types.ValueType[] _schema
```
- Class org.apache.sysds.runtime.controlprogram.caching.MatrixObject extends CacheableData<MatrixBlock> implements Serializable
  
  serialVersionUID:
  
  6374712373206495637L
  - Serialized Fields
    - _updateType
```
MatrixObject.UpdateType _updateType
```
    - _diag
```
boolean _diag
```
    - _markForLinCache
```
boolean _markForLinCache
```
    - _partitioned
```
boolean _partitioned
```
    - _partitionFormat
```
ParForProgramBlock.PDataPartitionFormat _partitionFormat
```
    - _partitionSize
```
int _partitionSize
```
    - _partitionCacheName
```
String _partitionCacheName
```
    - _partitionInMemory
```
MatrixBlock _partitionInMemory
```
- Class org.apache.sysds.runtime.controlprogram.caching.TensorObject extends CacheableData<TensorBlock> implements Serializable
  
  serialVersionUID:
  
  -2843358400200380775L
Package org.apache.sysds.runtime.controlprogram.federated
- Class org.apache.sysds.runtime.controlprogram.federated.FederatedRequest extends Object implements Serializable
  
  serialVersionUID:
  
  5946781306963870394L
  - Serialized Fields
    - _method
```
FederatedRequest.RequestType _method
```
    - _id
```
long _id
```
    - _tid
```
long _tid
```
    - _data
```
List<E> _data
```
    - _checkPrivacy
```
boolean _checkPrivacy
```
- Class org.apache.sysds.runtime.controlprogram.federated.FederatedResponse extends Object implements Serializable
  
  serialVersionUID:
  
  3142180026498695091L
  - Serialized Fields
    - _status
```
FederatedResponse.ResponseType _status
```
    - _data
```
Object[] _data
```
    - checkedConstraints
```
Map<K,V> checkedConstraints
```
- Class org.apache.sysds.runtime.controlprogram.federated.FederatedUDF extends Object implements Serializable
  
  serialVersionUID:
  
  799416525191257308L
  - Serialized Fields
    - _inputIDs
```
long[] _inputIDs
```
- Class org.apache.sysds.runtime.controlprogram.federated.FederatedWorkerHandlerException extends RuntimeException implements Serializable
  
  serialVersionUID:
  
  1L
Package org.apache.sysds.runtime.controlprogram.paramserv
- Class org.apache.sysds.runtime.controlprogram.paramserv.LocalPSWorker extends PSWorker implements Serializable
  
  serialVersionUID:
  
  5195390748495357295L
- Class org.apache.sysds.runtime.controlprogram.paramserv.PSWorker extends Object implements Serializable
  
  serialVersionUID:
  
  -3510485051178200118L
  - Serialized Fields
    - _workerID
```
int _workerID
```
    - _epochs
```
int _epochs
```
    - _batchSize
```
long _batchSize
```
    - _ec
```
ExecutionContext _ec
```
    - _ps
```
ParamServer _ps
```
    - _output
```
DataIdentifier _output
```
    - _inst
```
FunctionCallCPInstruction _inst
```
    - _features
```
MatrixObject _features
```
    - _labels
```
MatrixObject _labels
```
    - _updFunc
```
String _updFunc
```
    - _freq
```
Statement.PSFrequency _freq
```
- Class org.apache.sysds.runtime.controlprogram.paramserv.SparkPSWorker extends LocalPSWorker implements Serializable
  
  serialVersionUID:
  
  -8674739573419648732L
  - Serialized Fields
    - _program
```
String _program
```
    - _clsMap
```
HashMap<K,V> _clsMap
```
    - _conf
```
org.apache.spark.SparkConf _conf
```
    - _port
```
int _port
```
    - _aggFunc
```
String _aggFunc
```
    - _aSetup
```
org.apache.spark.util.LongAccumulator _aSetup
```
    - _aWorker
```
org.apache.spark.util.LongAccumulator _aWorker
```
    - _aUpdate
```
org.apache.spark.util.LongAccumulator _aUpdate
```
    - _aIndex
```
org.apache.spark.util.LongAccumulator _aIndex
```
    - _aGrad
```
org.apache.spark.util.LongAccumulator _aGrad
```
    - _aRPC
```
org.apache.spark.util.LongAccumulator _aRPC
```
    - _nBatches
```
org.apache.spark.util.LongAccumulator _nBatches
```
    - _nEpochs
```
org.apache.spark.util.LongAccumulator _nEpochs
```
Package org.apache.sysds.runtime.controlprogram.paramserv.dp
- Class org.apache.sysds.runtime.controlprogram.paramserv.dp.DataPartitionerSparkAggregator extends Object implements Serializable
  
  serialVersionUID:
  
  -1245300852709085117L
  - Serialized Fields
    - _fcol
```
long _fcol
```
    - _lcol
```
long _lcol
```
- Class org.apache.sysds.runtime.controlprogram.paramserv.dp.DataPartitionerSparkMapper extends Object implements Serializable
  
  serialVersionUID:
  
  1710721606050403296L
  - Serialized Fields
    - _workersNum
```
int _workersNum
```
    - _dp
```
SparkDataPartitioner _dp
```
- Class org.apache.sysds.runtime.controlprogram.paramserv.dp.DataPartitionSparkScheme extends Object implements Serializable
  
  serialVersionUID:
  
  -3462829818083371171L
  - Serialized Fields
    - _globalPerms
```
List<E> _globalPerms
```
    - _workerIndicator
```
PartitionedBroadcast<T extends CacheBlock> _workerIndicator
```
- Class org.apache.sysds.runtime.controlprogram.paramserv.dp.DCSparkScheme extends DataPartitionSparkScheme implements Serializable
  
  serialVersionUID:
  
  -2786906947020788787L
- Class org.apache.sysds.runtime.controlprogram.paramserv.dp.DRRSparkScheme extends DataPartitionSparkScheme implements Serializable
  
  serialVersionUID:
  
  -3130831851505549672L
- Class org.apache.sysds.runtime.controlprogram.paramserv.dp.DRSparkScheme extends DataPartitionSparkScheme implements Serializable
  
  serialVersionUID:
  
  -7655310624144544544L
- Class org.apache.sysds.runtime.controlprogram.paramserv.dp.ORSparkScheme extends DataPartitionSparkScheme implements Serializable
  
  serialVersionUID:
  
  6867567406403580311L
- Class org.apache.sysds.runtime.controlprogram.paramserv.dp.SparkDataPartitioner extends Object implements Serializable
  
  serialVersionUID:
  
  6841548626711057448L
  - Serialized Fields
    - _scheme
```
DataPartitionSparkScheme _scheme
```
Package org.apache.sysds.runtime.controlprogram.parfor
- Class org.apache.sysds.runtime.controlprogram.parfor.DataPartitionerRemoteSparkMapper extends ParWorker implements Serializable
  
  serialVersionUID:
  
  332887624852010957L
  - Serialized Fields
    - _rlen
```
long _rlen
```
    - _clen
```
long _clen
```
    - _blen
```
long _blen
```
    - _dpf
```
ParForProgramBlock.PDataPartitionFormat _dpf
```
    - _n
```
long _n
```
- Class org.apache.sysds.runtime.controlprogram.parfor.DataPartitionerRemoteSparkReducer extends Object implements Serializable
  
  serialVersionUID:
  
  -7149865018683261964L
  - Serialized Fields
    - _fnameNew
```
String _fnameNew
```
    - _replication
```
int _replication
```
- Class org.apache.sysds.runtime.controlprogram.parfor.RemoteDPParForSparkWorker extends ParWorker implements Serializable
  
  serialVersionUID:
  
  30223759283155139L
  - Serialized Fields
    - _prog
```
String _prog
```
    - _clsMap
```
HashMap<K,V> _clsMap
```
    - _caching
```
boolean _caching
```
    - _inputVar
```
String _inputVar
```
    - _iterVar
```
String _iterVar
```
    - _fmt
```
Types.FileFormat _fmt
```
    - _rlen
```
int _rlen
```
    - _clen
```
int _clen
```
    - _blen
```
int _blen
```
    - _tSparseCol
```
boolean _tSparseCol
```
    - _dpf
```
ParForProgramBlock.PDataPartitionFormat _dpf
```
    - _aTasks
```
org.apache.spark.util.LongAccumulator _aTasks
```
    - _aIters
```
org.apache.spark.util.LongAccumulator _aIters
```
- Class org.apache.sysds.runtime.controlprogram.parfor.RemoteParForSparkWorker extends ParWorker implements Serializable
  
  serialVersionUID:
  
  -3254950138084272296L
  - Serialized Fields
    - _jobid
```
long _jobid
```
    - _prog
```
String _prog
```
    - _clsMap
```
HashMap<K,V> _clsMap
```
    - _initialized
```
boolean _initialized
```
    - _caching
```
boolean _caching
```
    - _cleanCache
```
boolean _cleanCache
```
    - _lineage
```
Map<K,V> _lineage
```
    - _aTasks
```
org.apache.spark.util.LongAccumulator _aTasks
```
    - _aIters
```
org.apache.spark.util.LongAccumulator _aIters
```
    - _brInputs
```
Map<K,V> _brInputs
```
- Class org.apache.sysds.runtime.controlprogram.parfor.ResultMerge extends Object implements Serializable
  
  serialVersionUID:
  
  2620430969346516677L
  - Serialized Fields
    - _output
```
MatrixObject _output
```
    - _inputs
```
MatrixObject[] _inputs
```
    - _outputFName
```
String _outputFName
```
    - _isAccum
```
boolean _isAccum
```
- Class org.apache.sysds.runtime.controlprogram.parfor.ResultMergeLocalAutomatic extends ResultMerge implements Serializable
  
  serialVersionUID:
  
  1600893100602101732L
  - Serialized Fields
    - _rm
```
ResultMerge _rm
```
- Class org.apache.sysds.runtime.controlprogram.parfor.ResultMergeLocalFile extends ResultMerge implements Serializable
  
  serialVersionUID:
  
  -6905893742840020489L
  - Serialized Fields
    - _seq
```
IDSequence _seq
```
- Class org.apache.sysds.runtime.controlprogram.parfor.ResultMergeLocalMemory extends ResultMerge implements Serializable
  
  serialVersionUID:
  
  -3543612508601511701L
  - Serialized Fields
    - _compare
```
DenseBlock _compare
```
- Class org.apache.sysds.runtime.controlprogram.parfor.ResultMergeRemoteSpark extends ResultMerge implements Serializable
  
  serialVersionUID:
  
  -6924566953903424820L
  - Serialized Fields
    - _ec
```
ExecutionContext _ec
```
    - _numMappers
```
int _numMappers
```
    - _numReducers
```
int _numReducers
```
- Class org.apache.sysds.runtime.controlprogram.parfor.ResultMergeRemoteSparkWCompare extends ResultMerge implements Serializable
  
  serialVersionUID:
  
  -5970805069405942836L
- Class org.apache.sysds.runtime.controlprogram.parfor.Task extends Object implements Serializable
  
  serialVersionUID:
  
  2815832451487164284L
  - Serialized Fields
    - _iterVar
```
String _iterVar
```
    - _type
```
Task.TaskType _type
```
    - _iterations
```
LinkedList<E> _iterations
```
Package org.apache.sysds.runtime.controlprogram.parfor.util
- Class org.apache.sysds.runtime.controlprogram.parfor.util.PairWritableBlock extends Object implements Serializable
  
  serialVersionUID:
  
  -6022511967446089164L
  - Serialized Fields
    - indexes
```
MatrixIndexes indexes
```
    - block
```
MatrixBlock block
```
- Class org.apache.sysds.runtime.controlprogram.parfor.util.PairWritableCell extends Object implements Serializable
  
  serialVersionUID:
  
  6835655576808999370L
  - Serialized Fields
    - indexes
```
MatrixIndexes indexes
```
    - cell
```
MatrixCell cell
```
Package org.apache.sysds.runtime.data
- Class org.apache.sysds.runtime.data.BasicTensorBlock extends Object implements Serializable
  
  serialVersionUID:
  
  -7665685894181661833L
  - Serialized Fields
    - _dims
```
int[] _dims
```
    - _vt
```
Types.ValueType _vt
```
    - _sparse
```
boolean _sparse
```
    - _nnz
```
long _nnz
```
    - _denseBlock
```
DenseBlock _denseBlock
```
    - _sparseBlock
```
SparseBlock _sparseBlock
```
- Class org.apache.sysds.runtime.data.DataTensorBlock extends Object implements Serializable
  
  serialVersionUID:
  
  3410679389807309521L
  - Serialized Fields
    - _dims
```
int[] _dims
```
    - _colsdata
```
BasicTensorBlock[] _colsdata
```
    - _schema
```
Types.ValueType[] _schema
```
    - _colsToIx
```
int[] _colsToIx
```
      Contains the (column) index in `_colsdata` for a certain column of the `DataTensor`. Which `_colsdata` to use is specified by the `_schema`
    - _ixToCols
```
int[][] _ixToCols
```
      Contains the column of `DataTensor` an `_colsdata` (column) index corresponds to.
- Class org.apache.sysds.runtime.data.DenseBlock extends Object implements Serializable
  
  serialVersionUID:
  
  7517220490270237832L
  - Serialized Fields
    - _rlen
```
int _rlen
```
    - _odims
```
int[] _odims
```
    - _reuse
```
double[] _reuse
```
- Class org.apache.sysds.runtime.data.DenseBlockBool extends DenseBlockDRB implements Serializable
  
  serialVersionUID:
  
  -2228057308997136969L
  - Serialized Fields
    - _data
```
BitSet _data
```
- Class org.apache.sysds.runtime.data.DenseBlockDRB extends DenseBlock implements Serializable
  
  serialVersionUID:
  
  3581157975703708947L
- Class org.apache.sysds.runtime.data.DenseBlockFP32 extends DenseBlockDRB implements Serializable
  
  serialVersionUID:
  
  1950471811056914020L
  - Serialized Fields
    - _data
```
float[] _data
```
- Class org.apache.sysds.runtime.data.DenseBlockFP64 extends DenseBlockDRB implements Serializable
  
  serialVersionUID:
  
  8546723684649816489L
  - Serialized Fields
    - _data
```
double[] _data
```
- Class org.apache.sysds.runtime.data.DenseBlockInt32 extends DenseBlockDRB implements Serializable
  
  serialVersionUID:
  
  3856034067703046872L
  - Serialized Fields
    - _data
```
int[] _data
```
- Class org.apache.sysds.runtime.data.DenseBlockInt64 extends DenseBlockDRB implements Serializable
  
  serialVersionUID:
  
  7166657802668966730L
  - Serialized Fields
    - _data
```
long[] _data
```
- Class org.apache.sysds.runtime.data.DenseBlockLBool extends DenseBlockLDRB implements Serializable
  
  serialVersionUID:
  
  2604223782138590322L
  - Serialized Fields
    - _blocks
```
BitSet[] _blocks
```
- Class org.apache.sysds.runtime.data.DenseBlockLDRB extends DenseBlock implements Serializable
  
  serialVersionUID:
  
  -7519435549328146356L
  - Serialized Fields
    - _blen
```
int _blen
```
- Class org.apache.sysds.runtime.data.DenseBlockLFP32 extends DenseBlockLDRB implements Serializable
  
  serialVersionUID:
  
  2604223782138590322L
  - Serialized Fields
    - _blocks
```
float[][] _blocks
```
- Class org.apache.sysds.runtime.data.DenseBlockLFP64 extends DenseBlockLDRB implements Serializable
  
  serialVersionUID:
  
  -1723319832162080273L
  - Serialized Fields
    - _blocks
```
double[][] _blocks
```
- Class org.apache.sysds.runtime.data.DenseBlockLInt32 extends DenseBlockLDRB implements Serializable
  
  serialVersionUID:
  
  4273439182762731283L
  - Serialized Fields
    - _blocks
```
int[][] _blocks
```
- Class org.apache.sysds.runtime.data.DenseBlockLInt64 extends DenseBlockLDRB implements Serializable
  
  serialVersionUID:
  
  2329693723788239625L
  - Serialized Fields
    - _blocks
```
long[][] _blocks
```
- Class org.apache.sysds.runtime.data.DenseBlockLString extends DenseBlockLDRB implements Serializable
  
  serialVersionUID:
  
  -6632424825959423264L
  - Serialized Fields
    - _blocks
```
String[][] _blocks
```
- Class org.apache.sysds.runtime.data.DenseBlockString extends DenseBlockDRB implements Serializable
  
  serialVersionUID:
  
  7071870563356352352L
  - Serialized Fields
    - _data
```
String[] _data
```
- Class org.apache.sysds.runtime.data.IndexedTensorBlock extends Object implements Serializable
  
  serialVersionUID:
  
  -6227311506740546446L
  - Serialized Fields
    - _indexes
```
TensorIndexes _indexes
```
    - _block
```
TensorBlock _block
```
- Class org.apache.sysds.runtime.data.SparseBlock extends Object implements Serializable
  
  serialVersionUID:
  
  -5008747088111141395L
- Class org.apache.sysds.runtime.data.SparseBlockCOO extends SparseBlock implements Serializable
  
  serialVersionUID:
  
  7223478015917668745L
  - Serialized Fields
    - _rlen
```
int _rlen
```
    - _rindexes
```
int[] _rindexes
```
    - _cindexes
```
int[] _cindexes
```
    - _values
```
double[] _values
```
    - _size
```
int _size
```
- Class org.apache.sysds.runtime.data.SparseBlockCSR extends SparseBlock implements Serializable
  
  serialVersionUID:
  
  1922673868466164244L
  - Serialized Fields
    - _ptr
```
int[] _ptr
```
    - _indexes
```
int[] _indexes
```
    - _values
```
double[] _values
```
    - _size
```
int _size
```
- Class org.apache.sysds.runtime.data.SparseBlockMCSR extends SparseBlock implements Serializable
  
  serialVersionUID:
  
  -4743624499258436199L
  - Serialized Fields
    - _rows
```
SparseRow[] _rows
```
- Class org.apache.sysds.runtime.data.SparseRow extends Object implements Serializable
  
  serialVersionUID:
  
  5806895317005796456L
- Class org.apache.sysds.runtime.data.SparseRowScalar extends SparseRow implements Serializable
  
  serialVersionUID:
  
  722193514969067477L
  - Serialized Fields
    - index
```
int index
```
    - value
```
double value
```
- Class org.apache.sysds.runtime.data.SparseRowVector extends SparseRow implements Serializable
  
  serialVersionUID:
  
  2971077474424464992L
  - Serialized Fields
    - estimatedNzs
```
int estimatedNzs
```
    - maxNzs
```
int maxNzs
```
    - size
```
int size
```
    - values
```
double[] values
```
    - indexes
```
int[] indexes
```
- Class org.apache.sysds.runtime.data.TensorBlock extends Object implements Serializable
  
  serialVersionUID:
  
  -8768054067319422277L
  - Serialization Methods
    - readExternal
```
public void readExternal(ObjectInput in)
                  throws IOException
```
      Throws:
      
      IOException
    - writeExternal
```
public void writeExternal(ObjectOutput out)
                   throws IOException
```
      Throws:
      
      IOException
- Class org.apache.sysds.runtime.data.TensorIndexes extends Object implements Serializable
  
  serialVersionUID:
  
  -8596795142899904117L
  - Serialization Methods
    - readExternal
```
public void readExternal(ObjectInput is)
                  throws IOException
```
      Redirects the default java serialization via externalizable to our default hadoop writable serialization for consistency/maintainability.
      
      Throws:
      
      IOException - if IOException occurs
    - writeExternal
```
public void writeExternal(ObjectOutput os)
                   throws IOException
```
      Redirects the default java serialization via externalizable to our default hadoop writable serialization for consistency/maintainability.
      
      Throws:
      
      IOException - if IOException occurs
Package org.apache.sysds.runtime.functionobjects
- Class org.apache.sysds.runtime.functionobjects.And extends ValueFunction implements Serializable
  
  serialVersionUID:
  
  6523146102263905602L
- Class org.apache.sysds.runtime.functionobjects.BitwAnd extends ValueFunction implements Serializable
  
  serialVersionUID:
  
  6523146102263905602L
- Class org.apache.sysds.runtime.functionobjects.BitwOr extends ValueFunction implements Serializable
  
  serialVersionUID:
  
  -9172774392245257468L
- Class org.apache.sysds.runtime.functionobjects.BitwShiftL extends ValueFunction implements Serializable
  
  serialVersionUID:
  
  -6874923721694361623L
- Class org.apache.sysds.runtime.functionobjects.BitwShiftR extends ValueFunction implements Serializable
  
  serialVersionUID:
  
  -6746241833459058280L
- Class org.apache.sysds.runtime.functionobjects.BitwXor extends ValueFunction implements Serializable
  
  serialVersionUID:
  
  -7231003441114081755L
- Class org.apache.sysds.runtime.functionobjects.Builtin extends ValueFunction implements Serializable
  
  serialVersionUID:
  
  3836744687789840574L
  - Serialized Fields
    - bFunc
```
Builtin.BuiltinCode bFunc
```
- Class org.apache.sysds.runtime.functionobjects.CM extends ValueFunction implements Serializable
  
  serialVersionUID:
  
  9177194651533064123L
  - Serialized Fields
    - _type
```
CMOperator.AggregateOperationTypes _type
```
    - _plus
```
KahanPlus _plus
```
    - _buff2
```
KahanObject _buff2
```
    - _buff3
```
KahanObject _buff3
```
- Class org.apache.sysds.runtime.functionobjects.COV extends ValueFunction implements Serializable
  
  serialVersionUID:
  
  1865050401811477181L
  - Serialized Fields
    - _plus
```
KahanPlus _plus
```
- Class org.apache.sysds.runtime.functionobjects.CTable extends ValueFunction implements Serializable
  
  serialVersionUID:
  
  -5374880447194177236L
- Class org.apache.sysds.runtime.functionobjects.DiagIndex extends IndexFunction implements Serializable
  
  serialVersionUID:
  
  -5294771266108903886L
  - Serialized Fields
    - diagV2M
```
boolean diagV2M
```
- Class org.apache.sysds.runtime.functionobjects.Divide extends ValueFunction implements Serializable
  
  serialVersionUID:
  
  -5377082529324612637L
- Class org.apache.sysds.runtime.functionobjects.Equals extends ValueComparisonFunction implements Serializable
  
  serialVersionUID:
  
  -8887713112454357802L
- Class org.apache.sysds.runtime.functionobjects.GreaterThan extends ValueComparisonFunction implements Serializable
  
  serialVersionUID:
  
  1408566061111937556L
- Class org.apache.sysds.runtime.functionobjects.GreaterThanEquals extends ValueComparisonFunction implements Serializable
  
  serialVersionUID:
  
  -5444900552418046584L
- Class org.apache.sysds.runtime.functionobjects.IfElse extends TernaryValueFunction implements Serializable
  
  serialVersionUID:
  
  -8660124936856173978L
- Class org.apache.sysds.runtime.functionobjects.IndexFunction extends FunctionObject implements Serializable
  
  serialVersionUID:
  
  -7672111359444767237L
- Class org.apache.sysds.runtime.functionobjects.IntegerDivide extends ValueFunction implements Serializable
  
  serialVersionUID:
  
  -6994403907602762873L
- Class org.apache.sysds.runtime.functionobjects.KahanFunction extends ValueFunction implements Serializable
  
  serialVersionUID:
  
  -8880016655817461398L
- Class org.apache.sysds.runtime.functionobjects.KahanPlus extends KahanFunction implements Serializable
  
  serialVersionUID:
  
  -8338160609569967791L
- Class org.apache.sysds.runtime.functionobjects.KahanPlusSq extends KahanFunction implements Serializable
  
  serialVersionUID:
  
  5774388904472231717L
  - Serialized Fields
    - kplus
```
KahanPlus kplus
```
- Class org.apache.sysds.runtime.functionobjects.LessThan extends ValueComparisonFunction implements Serializable
  
  serialVersionUID:
  
  -5598503447690597942L
- Class org.apache.sysds.runtime.functionobjects.LessThanEquals extends ValueComparisonFunction implements Serializable
  
  serialVersionUID:
  
  -1211700634442163849L
- Class org.apache.sysds.runtime.functionobjects.Mean extends ValueFunction implements Serializable
  
  serialVersionUID:
  
  1967222020396371269L
  - Serialized Fields
    - _plus
```
KahanPlus _plus
```
- Class org.apache.sysds.runtime.functionobjects.Minus extends ValueFunction implements Serializable
  
  serialVersionUID:
  
  8433928060333018056L
- Class org.apache.sysds.runtime.functionobjects.Minus1Multiply extends ValueFunction implements Serializable
  
  serialVersionUID:
  
  8211391941572535083L
- Class org.apache.sysds.runtime.functionobjects.MinusMultiply extends TernaryValueFunction implements Serializable
  
  serialVersionUID:
  
  2801982061205871665L
  - Serialized Fields
    - _cnt
```
double _cnt
```
- Class org.apache.sysds.runtime.functionobjects.MinusNz extends ValueFunction implements Serializable
  
  serialVersionUID:
  
  -949397965417772299L
- Class org.apache.sysds.runtime.functionobjects.Modulus extends ValueFunction implements Serializable
  
  serialVersionUID:
  
  -1409182981172200840L
  - Serialized Fields
    - _intdiv
```
IntegerDivide _intdiv
```
- Class org.apache.sysds.runtime.functionobjects.Multiply extends ValueFunction implements Serializable
  
  serialVersionUID:
  
  2801982061205871665L
- Class org.apache.sysds.runtime.functionobjects.Multiply2 extends ValueFunction implements Serializable
  
  serialVersionUID:
  
  -3762789087715600938L
- Class org.apache.sysds.runtime.functionobjects.Not extends ValueFunction implements Serializable
  
  serialVersionUID:
  
  -3137270229584267263L
- Class org.apache.sysds.runtime.functionobjects.NotEquals extends ValueComparisonFunction implements Serializable
  
  serialVersionUID:
  
  2243676126579964278L
- Class org.apache.sysds.runtime.functionobjects.OffsetColumnIndex extends IndexFunction implements Serializable
  
  serialVersionUID:
  
  1523769994005450946L
  - Serialized Fields
    - offset
```
int offset
```
    - numRowsInOutput
```
int numRowsInOutput
```
    - numColumnsInOutput
```
int numColumnsInOutput
```
- Class org.apache.sysds.runtime.functionobjects.Or extends ValueFunction implements Serializable
  
  serialVersionUID:
  
  -2847467729680510910L
- Class org.apache.sysds.runtime.functionobjects.ParameterizedBuiltin extends ValueFunction implements Serializable
  
  serialVersionUID:
  
  -5966242955816522697L
  - Serialized Fields
    - bFunc
```
ParameterizedBuiltin.ParameterizedBuiltinCode bFunc
```
    - distFunc
```
ParameterizedBuiltin.ProbabilityDistributionCode distFunc
```
- Class org.apache.sysds.runtime.functionobjects.Plus extends ValueFunction implements Serializable
  
  serialVersionUID:
  
  -3573790367761963555L
- Class org.apache.sysds.runtime.functionobjects.PlusMultiply extends TernaryValueFunction implements Serializable
  
  serialVersionUID:
  
  2801982061205871665L
  - Serialized Fields
    - _cnt
```
double _cnt
```
- Class org.apache.sysds.runtime.functionobjects.Power extends ValueFunction implements Serializable
  
  serialVersionUID:
  
  1503063846565177447L
- Class org.apache.sysds.runtime.functionobjects.Power2 extends ValueFunction implements Serializable
  
  serialVersionUID:
  
  -4370611388912121328L
- Class org.apache.sysds.runtime.functionobjects.ReduceAll extends IndexFunction implements Serializable
  
  serialVersionUID:
  
  -7395600812331396960L
- Class org.apache.sysds.runtime.functionobjects.ReduceCol extends IndexFunction implements Serializable
  
  serialVersionUID:
  
  5751707683718583013L
- Class org.apache.sysds.runtime.functionobjects.ReduceDiag extends IndexFunction implements Serializable
  
  serialVersionUID:
  
  734843929521413928L
- Class org.apache.sysds.runtime.functionobjects.ReduceRow extends IndexFunction implements Serializable
  
  serialVersionUID:
  
  3611700251686303484L
- Class org.apache.sysds.runtime.functionobjects.RevIndex extends IndexFunction implements Serializable
  
  serialVersionUID:
  
  -1002715543022547788L
- Class org.apache.sysds.runtime.functionobjects.SortIndex extends IndexFunction implements Serializable
  
  serialVersionUID:
  
  -8446389232078905200L
  - Serialized Fields
    - _cols
```
int[] _cols
```
    - _decreasing
```
boolean _decreasing
```
    - _ixreturn
```
boolean _ixreturn
```
- Class org.apache.sysds.runtime.functionobjects.SwapIndex extends IndexFunction implements Serializable
  
  serialVersionUID:
  
  -8898087610410746689L
- Class org.apache.sysds.runtime.functionobjects.TernaryValueFunction extends ValueFunction implements Serializable
  
  serialVersionUID:
  
  4837616587192612216L
- Class org.apache.sysds.runtime.functionobjects.ValueComparisonFunction extends ValueFunction implements Serializable
  
  serialVersionUID:
  
  6021132561216734747L
- Class org.apache.sysds.runtime.functionobjects.ValueFunction extends FunctionObject implements Serializable
  
  serialVersionUID:
  
  -4985988545393861058L
- Class org.apache.sysds.runtime.functionobjects.Xor extends ValueFunction implements Serializable
  
  serialVersionUID:
  
  -2847467729680510910L
Package org.apache.sysds.runtime.instructions.cp
- Class org.apache.sysds.runtime.instructions.cp.BooleanObject extends ScalarObject implements Serializable
  
  serialVersionUID:
  
  -4506242165735516984L
  - Serialized Fields
    - _value
```
boolean _value
```
- Class org.apache.sysds.runtime.instructions.cp.CM_COV_Object extends Data implements Serializable
  
  serialVersionUID:
  
  -5814207545197934085L
  - Serialized Fields
    - w
```
double w
```
    - mean
```
KahanObject mean
```
    - m2
```
KahanObject m2
```
    - m3
```
KahanObject m3
```
    - m4
```
KahanObject m4
```
    - mean_v
```
KahanObject mean_v
```
    - c2
```
KahanObject c2
```
- Class org.apache.sysds.runtime.instructions.cp.Data extends Object implements Serializable
  
  serialVersionUID:
  
  9176228330268046168L
  - Serialized Fields
    - dataType
```
Types.DataType dataType
```
    - valueType
```
Types.ValueType valueType
```
    - _privacyConstraint
```
PrivacyConstraint _privacyConstraint
```
      Object holding all privacy constraints associated with the data.
- Class org.apache.sysds.runtime.instructions.cp.DoubleObject extends ScalarObject implements Serializable
  
  serialVersionUID:
  
  -8525290101679236360L
  - Serialized Fields
    - _value
```
double _value
```
- Class org.apache.sysds.runtime.instructions.cp.IntObject extends ScalarObject implements Serializable
  
  serialVersionUID:
  
  353170585998999528L
  - Serialized Fields
    - _value
```
long _value
```
- Class org.apache.sysds.runtime.instructions.cp.KahanObject extends Data implements Serializable
  
  serialVersionUID:
  
  -5331529073327676437L
  - Serialized Fields
    - _sum
```
double _sum
```
    - _correction
```
double _correction
```
- Class org.apache.sysds.runtime.instructions.cp.ListObject extends Data implements Serializable
  
  serialVersionUID:
  
  3652422061598967358L
  - Serialized Fields
    - _data
```
List<E> _data
```
    - _dataState
```
boolean[] _dataState
```
    - _names
```
List<E> _names
```
    - _nCacheable
```
int _nCacheable
```
    - _lineage
```
List<E> _lineage
```
- Class org.apache.sysds.runtime.instructions.cp.ScalarObject extends Data implements Serializable
  
  serialVersionUID:
  
  6994413375932824892L
- Class org.apache.sysds.runtime.instructions.cp.StringObject extends ScalarObject implements Serializable
  
  serialVersionUID:
  
  2464839775369002455L
  - Serialized Fields
    - _value
```
String _value
```
Package org.apache.sysds.runtime.instructions.fed
- Class org.apache.sysds.runtime.instructions.fed.MultiReturnParameterizedBuiltinFEDInstruction.CreateFrameEncoder extends FederatedUDF implements Serializable
  
  serialVersionUID:
  
  2376756757742169692L
  - Serialized Fields
    - _spec
```
String _spec
```
    - _offset
```
int _offset
```
- Class org.apache.sysds.runtime.instructions.fed.MultiReturnParameterizedBuiltinFEDInstruction.ExecuteFrameEncoder extends FederatedUDF implements Serializable
  
  serialVersionUID:
  
  6034440964680578276L
  - Serialized Fields
    - _outputID
```
long _outputID
```
    - _encoder
```
Encoder _encoder
```
- Class org.apache.sysds.runtime.instructions.fed.ParameterizedBuiltinFEDInstruction.DecodeMatrix extends FederatedUDF implements Serializable
  
  serialVersionUID:
  
  2376756757742169692L
  - Serialized Fields
    - _outputID
```
long _outputID
```
    - _meta
```
FrameBlock _meta
```
    - _decoder
```
Decoder _decoder
```
Package org.apache.sysds.runtime.instructions.spark
- Class org.apache.sysds.runtime.instructions.spark.AggregateUnarySPInstruction.RDDUAggFunction2 extends Object implements Serializable
  
  serialVersionUID:
  
  2672082409287856038L
  - Serialized Fields
    - _op
```
AggregateUnaryOperator _op
```
    - _blen
```
int _blen
```
- Class org.apache.sysds.runtime.instructions.spark.AggregateUnarySPInstruction.RDDUTensorAggFunction2 extends Object implements Serializable
  
  serialVersionUID:
  
  -6258769067791011763L
  - Serialized Fields
    - _op
```
AggregateUnaryOperator _op
```
- Class org.apache.sysds.runtime.instructions.spark.AppendGAlignedSPInstruction.ShiftColumnIndex extends Object implements Serializable
  
  serialVersionUID:
  
  -5185023611319654242L
  - Serialized Fields
    - _shiftBy
```
long _shiftBy
```
    - _cbind
```
boolean _cbind
```
- Class org.apache.sysds.runtime.instructions.spark.AppendGSPInstruction.MergeWithShiftedBlocks extends Object implements Serializable
  
  serialVersionUID:
  
  848955582909209400L
  - Serialized Fields
    - _cbind
```
boolean _cbind
```
    - _lastIxLeft
```
long _lastIxLeft
```
    - _blen
```
int _blen
```
- Class org.apache.sysds.runtime.instructions.spark.AppendGSPInstruction.ShiftMatrix extends Object implements Serializable
  
  serialVersionUID:
  
  3524189212798209172L
  - Serialized Fields
    - _cbind
```
boolean _cbind
```
    - _startIx
```
long _startIx
```
    - _shiftBy
```
int _shiftBy
```
    - _blen
```
int _blen
```
    - _outlen
```
long _outlen
```
- Class org.apache.sysds.runtime.instructions.spark.BinUaggChainSPInstruction.RDDBinUaggChainFunction extends Object implements Serializable
  
  serialVersionUID:
  
  886065328623752520L
  - Serialized Fields
    - _bOp
```
BinaryOperator _bOp
```
    - _uaggOp
```
AggregateUnaryOperator _uaggOp
```
- Class org.apache.sysds.runtime.instructions.spark.BuiltinNarySPInstruction.PadBlocksFunction extends Object implements Serializable
  
  serialVersionUID:
  
  1291358959908299855L
  - Serialized Fields
    - _mcOut
```
DataCharacteristics _mcOut
```
- Class org.apache.sysds.runtime.instructions.spark.CompressionSPInstruction.CompressionFunction extends Object implements Serializable
  
  serialVersionUID:
  
  -6528833083609423922L
- Class org.apache.sysds.runtime.instructions.spark.CtableSPInstruction.MapJoinSignature1 extends Object implements Serializable
  
  serialVersionUID:
  
  -8819908424033945028L
- Class org.apache.sysds.runtime.instructions.spark.CtableSPInstruction.MapJoinSignature2 extends Object implements Serializable
  
  serialVersionUID:
  
  7690448020081435520L
- Class org.apache.sysds.runtime.instructions.spark.CtableSPInstruction.MapJoinSignature3 extends Object implements Serializable
  
  serialVersionUID:
  
  -5222678882354280164L
- Class org.apache.sysds.runtime.instructions.spark.MultiReturnParameterizedBuiltinSPInstruction.TransformEncodeBuild2Function extends Object implements Serializable
  
  serialVersionUID:
  
  6336375833412029279L
  - Serialized Fields
    - _encoder
```
EncoderMVImpute _encoder
```
- Class org.apache.sysds.runtime.instructions.spark.MultiReturnParameterizedBuiltinSPInstruction.TransformEncodeBuildFunction extends Object implements Serializable
  
  serialVersionUID:
  
  6336375833412029279L
  - Serialized Fields
    - _raEncoder
```
EncoderRecode _raEncoder
```
- Class org.apache.sysds.runtime.instructions.spark.MultiReturnParameterizedBuiltinSPInstruction.TransformEncodeGroup2Function extends Object implements Serializable
  
  serialVersionUID:
  
  702100641492347459L
  - Serialized Fields
    - _encoder
```
EncoderMVImpute _encoder
```
- Class org.apache.sysds.runtime.instructions.spark.MultiReturnParameterizedBuiltinSPInstruction.TransformEncodeGroupFunction extends Object implements Serializable
  
  serialVersionUID:
  
  -1034187226023517119L
  - Serialized Fields
    - _accMax
```
org.apache.sysds.runtime.instructions.spark.MultiReturnParameterizedBuiltinSPInstruction.MaxLongAccumulator _accMax
```
- Class org.apache.sysds.runtime.instructions.spark.ParameterizedBuiltinSPInstruction.CreateMatrixCell extends Object implements Serializable
  
  serialVersionUID:
  
  -5783727852453040737L
  - Serialized Fields
    - blen
```
int blen
```
    - op
```
Operator op
```
- Class org.apache.sysds.runtime.instructions.spark.ParameterizedBuiltinSPInstruction.RDDMapGroupedAggFunction extends Object implements Serializable
  
  serialVersionUID:
  
  6795402640178679851L
  - Serialized Fields
    - _pbm
```
PartitionedBroadcast<T extends CacheBlock> _pbm
```
    - _op
```
Operator _op
```
    - _ngroups
```
int _ngroups
```
    - _blen
```
int _blen
```
- Class org.apache.sysds.runtime.instructions.spark.ParameterizedBuiltinSPInstruction.RDDMapGroupedAggFunction2 extends Object implements Serializable
  
  serialVersionUID:
  
  -6820599604299797661L
  - Serialized Fields
    - _pbm
```
PartitionedBroadcast<T extends CacheBlock> _pbm
```
    - _op
```
Operator _op
```
    - _ngroups
```
int _ngroups
```
- Class org.apache.sysds.runtime.instructions.spark.ParameterizedBuiltinSPInstruction.RDDRemoveEmptyFunction extends Object implements Serializable
  
  serialVersionUID:
  
  4906304771183325289L
  - Serialized Fields
    - _rmRows
```
boolean _rmRows
```
    - _len
```
long _len
```
    - _blen
```
long _blen
```
- Class org.apache.sysds.runtime.instructions.spark.ParameterizedBuiltinSPInstruction.RDDRemoveEmptyFunctionInMem extends Object implements Serializable
  
  serialVersionUID:
  
  4906304771183325289L
  - Serialized Fields
    - _rmRows
```
boolean _rmRows
```
    - _len
```
long _len
```
    - _blen
```
long _blen
```
    - _off
```
PartitionedBroadcast<T extends CacheBlock> _off
```
- Class org.apache.sysds.runtime.instructions.spark.ParameterizedBuiltinSPInstruction.RDDReplaceFunction extends Object implements Serializable
  
  serialVersionUID:
  
  6576713401901671659L
  - Serialized Fields
    - _pattern
```
double _pattern
```
    - _replacement
```
double _replacement
```
- Class org.apache.sysds.runtime.instructions.spark.ParameterizedBuiltinSPInstruction.RDDRExpandFunction extends Object implements Serializable
  
  serialVersionUID:
  
  -6153643261956222601L
  - Serialized Fields
    - _maxVal
```
double _maxVal
```
    - _dirRows
```
boolean _dirRows
```
    - _cast
```
boolean _cast
```
    - _ignore
```
boolean _ignore
```
    - _blen
```
long _blen
```
- Class org.apache.sysds.runtime.instructions.spark.ParameterizedBuiltinSPInstruction.RDDTransformApplyFunction extends Object implements Serializable
  
  serialVersionUID:
  
  5759813006068230916L
  - Serialized Fields
    - _bencoder
```
org.apache.spark.broadcast.Broadcast<T> _bencoder
```
    - _omap
```
org.apache.spark.broadcast.Broadcast<T> _omap
```
- Class org.apache.sysds.runtime.instructions.spark.ParameterizedBuiltinSPInstruction.RDDTransformApplyOffsetFunction extends Object implements Serializable
  
  serialVersionUID:
  
  3450977356721057440L
  - Serialized Fields
    - _omitColList
```
int[] _omitColList
```
- Class org.apache.sysds.runtime.instructions.spark.ParameterizedBuiltinSPInstruction.RDDTransformDecodeExpandFunction extends Object implements Serializable
  
  serialVersionUID:
  
  -8187400248076127598L
  - Serialized Fields
    - _clen
```
int _clen
```
    - _blen
```
int _blen
```
- Class org.apache.sysds.runtime.instructions.spark.ParameterizedBuiltinSPInstruction.RDDTransformDecodeFunction extends Object implements Serializable
  
  serialVersionUID:
  
  -4797324742568170756L
  - Serialized Fields
    - _decoder
```
Decoder _decoder
```
    - _blen
```
int _blen
```
- Class org.apache.sysds.runtime.instructions.spark.SpoofSPInstruction.ReplicateRightFactorFunction extends Object implements Serializable
  
  serialVersionUID:
  
  -7295989688796126442L
  - Serialized Fields
    - _len
```
long _len
```
    - _blen
```
long _blen
```
Package org.apache.sysds.runtime.instructions.spark.data
- Class org.apache.sysds.runtime.instructions.spark.data.BlockPartitioner extends org.apache.spark.Partitioner implements Serializable
  
  serialVersionUID:
  
  3207938407732880324L
  - Serialized Fields
    - _numParts
```
int _numParts
```
    - _ncparts
```
int _ncparts
```
    - _rbPerPart
```
long _rbPerPart
```
    - _cbPerPart
```
long _cbPerPart
```
- Class org.apache.sysds.runtime.instructions.spark.data.CorrMatrixBlock extends Object implements Serializable
  
  serialVersionUID:
  
  -2204456681697015083L
  - Serialization Methods
    - readExternal
```
public void readExternal(ObjectInput is)
                  throws IOException
```
      Redirects the default java serialization via externalizable to our default hadoop writable serialization for efficient deserialization.
      
      Throws:
      
      IOException - if IOException occurs
    - writeExternal
```
public void writeExternal(ObjectOutput os)
                   throws IOException
```
      Redirects the default java serialization via externalizable to our default hadoop writable serialization for efficient serialization.
      
      Throws:
      
      IOException - if IOException occurs
- Class org.apache.sysds.runtime.instructions.spark.data.IndexedMatrixValue extends Object implements Serializable
  
  serialVersionUID:
  
  6723389820806752110L
  - Serialized Fields
    - _indexes
```
MatrixIndexes _indexes
```
    - _value
```
MatrixValue _value
```
- Class org.apache.sysds.runtime.instructions.spark.data.PartitionedBlock extends Object implements Serializable
  
  serialVersionUID:
  
  1298817743064415129L
  - Serialization Methods
    - readExternal
```
public void readExternal(ObjectInput is)
                  throws IOException
```
      Redirects the default java serialization via externalizable to our default hadoop writable serialization for efficient broadcast deserialization.
      
      Throws:
      
      IOException - if IOException occurs
    - writeExternal
```
public void writeExternal(ObjectOutput os)
                   throws IOException
```
      Redirects the default java serialization via externalizable to our default hadoop writable serialization for efficient broadcast serialization.
      
      Throws:
      
      IOException - if IOException occurs
- Class org.apache.sysds.runtime.instructions.spark.data.PartitionedBroadcast extends Object implements Serializable
  
  serialVersionUID:
  
  7041959166079438401L
  - Serialized Fields
    - _pbc
```
org.apache.spark.broadcast.Broadcast<T>[] _pbc
```
    - _dc
```
DataCharacteristics _dc
```
- Class org.apache.sysds.runtime.instructions.spark.data.RowMatrixBlock extends Object implements Serializable
  
  serialVersionUID:
  
  3307673667643705793L
  - Serialization Methods
    - readExternal
```
public void readExternal(ObjectInput is)
                  throws IOException
```
      Redirects the default java serialization via externalizable to our default hadoop writable serialization for efficient deserialization.
      
      Throws:
      
      IOException - if IOException occurs
    - writeExternal
```
public void writeExternal(ObjectOutput os)
                   throws IOException
```
      Redirects the default java serialization via externalizable to our default hadoop writable serialization for efficient serialization.
      
      Throws:
      
      IOException - if IOException occurs
- Class org.apache.sysds.runtime.instructions.spark.data.SerLongWritable extends org.apache.hadoop.io.LongWritable implements Serializable
  
  serialVersionUID:
  
  -2609889817086784049L
- Class org.apache.sysds.runtime.instructions.spark.data.SerText extends org.apache.hadoop.io.Text implements Serializable
  
  serialVersionUID:
  
  -4918278004334054414L
Package org.apache.sysds.runtime.instructions.spark.functions
- Class org.apache.sysds.runtime.instructions.spark.functions.AggregateDropCorrectionFunction extends Object implements Serializable
  
  serialVersionUID:
  
  -5573656897943638857L
  - Serialized Fields
    - _op
```
AggregateOperator _op
```
- Class org.apache.sysds.runtime.instructions.spark.functions.ComputeBinaryBlockNnzFunction extends Object implements Serializable
  
  serialVersionUID:
  
  -8396410450821999936L
  - Serialized Fields
    - _aNnz
```
org.apache.spark.util.LongAccumulator _aNnz
```
- Class org.apache.sysds.runtime.instructions.spark.functions.ConvertFrameBlockToIJVLines extends Object implements Serializable
  
  serialVersionUID:
  
  1803516615963340115L
- Class org.apache.sysds.runtime.instructions.spark.functions.ConvertMatrixBlockToIJVLines extends Object implements Serializable
  
  serialVersionUID:
  
  3555147684480763957L
  - Serialized Fields
    - blen
```
int blen
```
- Class org.apache.sysds.runtime.instructions.spark.functions.ConvertStringToLongTextPair extends Object implements Serializable
  
  serialVersionUID:
  
  6443041051069809479L
- Class org.apache.sysds.runtime.instructions.spark.functions.CopyBinaryCellFunction extends Object implements Serializable
  
  serialVersionUID:
  
  -675490732439827014L
- Class org.apache.sysds.runtime.instructions.spark.functions.CopyFrameBlockFunction extends Object implements Serializable
  
  serialVersionUID:
  
  612972882700587381L
  - Serialized Fields
    - _deepCopy
```
boolean _deepCopy
```
- Class org.apache.sysds.runtime.instructions.spark.functions.CopyFrameBlockPairFunction extends Object implements Serializable
  
  serialVersionUID:
  
  -4686652006382558021L
  - Serialized Fields
    - _deepCopy
```
boolean _deepCopy
```
- Class org.apache.sysds.runtime.instructions.spark.functions.CopyMatrixBlockFunction extends Object implements Serializable
  
  serialVersionUID:
  
  966409324406154236L
  - Serialized Fields
    - _deepCopy
```
boolean _deepCopy
```
- Class org.apache.sysds.runtime.instructions.spark.functions.CopyMatrixBlockPairFunction extends Object implements Serializable
  
  serialVersionUID:
  
  -196553327495233360L
  - Serialized Fields
    - _deepCopy
```
boolean _deepCopy
```
- Class org.apache.sysds.runtime.instructions.spark.functions.CopyTensorBlockFunction extends Object implements Serializable
  
  serialVersionUID:
  
  707987326466592670L
  - Serialized Fields
    - _deepCopy
```
boolean _deepCopy
```
- Class org.apache.sysds.runtime.instructions.spark.functions.CopyTensorBlockPairFunction extends Object implements Serializable
  
  serialVersionUID:
  
  605514365345997070L
  - Serialized Fields
    - _deepCopy
```
boolean _deepCopy
```
- Class org.apache.sysds.runtime.instructions.spark.functions.CopyTextInputFunction extends Object implements Serializable
  
  serialVersionUID:
  
  -196553327495233360L
- Class org.apache.sysds.runtime.instructions.spark.functions.CreateSparseBlockFunction extends Object implements Serializable
  
  serialVersionUID:
  
  -4503367283351708178L
  - Serialized Fields
    - _stype
```
SparseBlock.Type _stype
```
- Class org.apache.sysds.runtime.instructions.spark.functions.ExtractBlockForBinaryReblock extends Object implements Serializable
  
  serialVersionUID:
  
  -762987655085029215L
  - Serialized Fields
    - rlen
```
long rlen
```
    - clen
```
long clen
```
    - in_blen
```
int in_blen
```
    - out_blen
```
int out_blen
```
- Class org.apache.sysds.runtime.instructions.spark.functions.ExtractGroup extends Object implements Serializable
  
  serialVersionUID:
  
  -7059358143841229966L
  - Serialized Fields
    - _blen
```
long _blen
```
    - _ngroups
```
long _ngroups
```
    - _op
```
Operator _op
```
- Class org.apache.sysds.runtime.instructions.spark.functions.ExtractGroup.ExtractGroupBroadcast extends ExtractGroup implements Serializable
  
  serialVersionUID:
  
  5709955602290131093L
  - Serialized Fields
    - _pbm
```
PartitionedBroadcast<T extends CacheBlock> _pbm
```
- Class org.apache.sysds.runtime.instructions.spark.functions.ExtractGroup.ExtractGroupJoin extends ExtractGroup implements Serializable
  
  serialVersionUID:
  
  8890978615936560266L
- Class org.apache.sysds.runtime.instructions.spark.functions.ExtractGroupNWeights extends Object implements Serializable
  
  serialVersionUID:
  
  -188180042997588072L
- Class org.apache.sysds.runtime.instructions.spark.functions.FilterDiagMatrixBlocksFunction extends Object implements Serializable
  
  serialVersionUID:
  
  685221977882289849L
- Class org.apache.sysds.runtime.instructions.spark.functions.FilterNonEmptyBlocksFunction extends Object implements Serializable
  
  serialVersionUID:
  
  -8856829325565589854L
- Class org.apache.sysds.runtime.instructions.spark.functions.FilterNonEmptyBlocksFunction2 extends Object implements Serializable
  
  serialVersionUID:
  
  -8435900761521598692L
- Class org.apache.sysds.runtime.instructions.spark.functions.GetMIMBFromRow extends Object implements Serializable
  
  serialVersionUID:
  
  2291741087248847581L
- Class org.apache.sysds.runtime.instructions.spark.functions.IsBlockInList extends Object implements Serializable
  
  serialVersionUID:
  
  -1956151588590369875L
  - Serialized Fields
    - _cols
```
long[] _cols
```
    - _blen
```
int _blen
```
- Class org.apache.sysds.runtime.instructions.spark.functions.IsBlockInRange extends Object implements Serializable
  
  serialVersionUID:
  
  5849687296021280540L
  - Serialized Fields
    - _rl
```
long _rl
```
    - _ru
```
long _ru
```
    - _cl
```
long _cl
```
    - _cu
```
long _cu
```
    - _blen
```
int _blen
```
- Class org.apache.sysds.runtime.instructions.spark.functions.IsFrameBlockInRange extends Object implements Serializable
  
  serialVersionUID:
  
  4433918122474769296L
  - Serialized Fields
    - _rl
```
long _rl
```
    - _ru
```
long _ru
```
- Class org.apache.sysds.runtime.instructions.spark.functions.MapInputSignature extends Object implements Serializable
  
  serialVersionUID:
  
  -816443970067626102L
- Class org.apache.sysds.runtime.instructions.spark.functions.MapJoinSignature extends Object implements Serializable
  
  serialVersionUID:
  
  -704403012606821854L
- Class org.apache.sysds.runtime.instructions.spark.functions.MatrixMatrixBinaryOpFunction extends Object implements Serializable
  
  serialVersionUID:
  
  -2683276102742977900L
  - Serialized Fields
    - _bop
```
BinaryOperator _bop
```
- Class org.apache.sysds.runtime.instructions.spark.functions.MatrixScalarUnaryFunction extends Object implements Serializable
  
  serialVersionUID:
  
  7246757780621114500L
  - Serialized Fields
    - _op
```
ScalarOperator _op
```
- Class org.apache.sysds.runtime.instructions.spark.functions.MatrixVectorBinaryOpPartitionFunction extends Object implements Serializable
  
  serialVersionUID:
  
  9096091404578628534L
  - Serialized Fields
    - _op
```
BinaryOperator _op
```
    - _pmV
```
PartitionedBroadcast<T extends CacheBlock> _pmV
```
    - _vtype
```
BinaryM.VectorType _vtype
```
- Class org.apache.sysds.runtime.instructions.spark.functions.OuterVectorBinaryOpFunction extends Object implements Serializable
  
  serialVersionUID:
  
  1730704346934726826L
  - Serialized Fields
    - _op
```
BinaryOperator _op
```
    - _pmV
```
PartitionedBroadcast<T extends CacheBlock> _pmV
```
- Class org.apache.sysds.runtime.instructions.spark.functions.PerformGroupByAggInCombiner extends Object implements Serializable
  
  serialVersionUID:
  
  -813530414567786509L
  - Serialized Fields
    - _op
```
Operator _op
```
- Class org.apache.sysds.runtime.instructions.spark.functions.PerformGroupByAggInReducer extends Object implements Serializable
  
  serialVersionUID:
  
  8160556441153227417L
  - Serialized Fields
    - op
```
Operator op
```
- Class org.apache.sysds.runtime.instructions.spark.functions.ReblockTensorFunction extends Object implements Serializable
  
  serialVersionUID:
  
  9118830682358813489L
  - Serialized Fields
    - _numDims
```
int _numDims
```
    - _newBlen
```
long _newBlen
```
- Class org.apache.sysds.runtime.instructions.spark.functions.RecomputeNnzFunction extends Object implements Serializable
  
  serialVersionUID:
  
  -973429193604040011L
- Class org.apache.sysds.runtime.instructions.spark.functions.ReorgMapFunction extends Object implements Serializable
  
  serialVersionUID:
  
  31065772250744103L
  - Serialized Fields
    - _reorgOp
```
ReorgOperator _reorgOp
```
    - _indexFnObject
```
IndexFunction _indexFnObject
```
- Class org.apache.sysds.runtime.instructions.spark.functions.ReplicateBlockFunction extends Object implements Serializable
  
  serialVersionUID:
  
  -1184696764516975609L
  - Serialized Fields
    - _len
```
long _len
```
    - _blen
```
long _blen
```
    - _left
```
boolean _left
```
    - _deep
```
boolean _deep
```
- Class org.apache.sysds.runtime.instructions.spark.functions.ReplicateTensorFunction extends Object implements Serializable
  
  serialVersionUID:
  
  7181347334827684965L
  - Serialized Fields
    - _byDim
```
int _byDim
```
    - _numReplicas
```
long _numReplicas
```
- Class org.apache.sysds.runtime.instructions.spark.functions.ReplicateVectorFunction extends Object implements Serializable
  
  serialVersionUID:
  
  -1505557561471236851L
  - Serialized Fields
    - _byRow
```
boolean _byRow
```
    - _numReplicas
```
long _numReplicas
```
- Class org.apache.sysds.runtime.instructions.spark.functions.TensorTensorBinaryOpFunction extends Object implements Serializable
  
  serialVersionUID:
  
  4204525225937988112L
  - Serialized Fields
    - _bop
```
BinaryOperator _bop
```
- Class org.apache.sysds.runtime.instructions.spark.functions.TensorTensorBinaryOpPartitionFunction extends Object implements Serializable
  
  serialVersionUID:
  
  8029096658247920867L
  - Serialized Fields
    - _op
```
BinaryOperator _op
```
    - _ptV
```
PartitionedBroadcast<T extends CacheBlock> _ptV
```
    - _replicateDim
```
boolean[] _replicateDim
```
Package org.apache.sysds.runtime.instructions.spark.utils
- Class org.apache.sysds.runtime.instructions.spark.utils.FrameRDDConverterUtils.LongFrameToLongWritableFrameFunction extends Object implements Serializable
  
  serialVersionUID:
  
  -1467314923206783333L
- Class org.apache.sysds.runtime.instructions.spark.utils.FrameRDDConverterUtils.LongWritableFrameToLongFrameFunction extends Object implements Serializable
  
  serialVersionUID:
  
  -1232439643533739078L
- Class org.apache.sysds.runtime.instructions.spark.utils.FrameRDDConverterUtils.LongWritableTextToLongTextFunction extends Object implements Serializable
  
  serialVersionUID:
  
  -5408386071466175348L
- Class org.apache.sysds.runtime.instructions.spark.utils.FrameRDDConverterUtils.LongWritableToSerFunction extends Object implements Serializable
  
  serialVersionUID:
  
  2286037080400222528L
- Class org.apache.sysds.runtime.instructions.spark.utils.RDDConverterUtils.BinaryCellToBinaryBlockFunction extends org.apache.sysds.runtime.instructions.spark.utils.RDDConverterUtils.CellToBinaryBlockFunction implements Serializable
  
  serialVersionUID:
  
  3928810989462198243L
- Class org.apache.sysds.runtime.instructions.spark.utils.RDDConverterUtils.DataFrameExtractIDFunction extends Object implements Serializable
  
  serialVersionUID:
  
  7438855241666363433L
  - Serialized Fields
    - _index
```
int _index
```
- Class org.apache.sysds.runtime.instructions.spark.utils.RDDConverterUtilsExt.AddRowID extends Object implements Serializable
  
  serialVersionUID:
  
  -3733816995375745659L
- Class org.apache.sysds.runtime.instructions.spark.utils.RDDSortUtils.IndexComparator extends Object implements Serializable
  
  serialVersionUID:
  
  5154839870549241343L
  - Serialized Fields
    - _asc
```
boolean _asc
```
- Class org.apache.sysds.runtime.instructions.spark.utils.RDDSortUtils.IndexComparator2 extends Object implements Serializable
  
  serialVersionUID:
  
  5531987863790922691L
  - Serialized Fields
    - _asc
```
boolean _asc
```
Package org.apache.sysds.runtime.io
- Class org.apache.sysds.runtime.io.FileFormatPropertiesCSV extends FileFormatProperties implements Serializable
  
  serialVersionUID:
  
  -2870393360885401604L
  - Serialized Fields
    - header
```
boolean header
```
    - delim
```
String delim
```
    - fill
```
boolean fill
```
    - fillValue
```
double fillValue
```
    - naStrings
```
HashSet<E> naStrings
```
    - sparse
```
boolean sparse
```
- Class org.apache.sysds.runtime.io.FileFormatPropertiesMM extends FileFormatProperties implements Serializable
  
  serialVersionUID:
  
  -2870393360885401604L
  - Serialized Fields
    - _fmt
```
FileFormatPropertiesMM.MMFormat _fmt
```
    - _field
```
FileFormatPropertiesMM.MMField _field
```
    - _symmetry
```
FileFormatPropertiesMM.MMSymmetry _symmetry
```
- Class org.apache.sysds.runtime.io.InputOutputInfo extends Object implements Serializable
  
  serialVersionUID:
  
  7059677437144672023L
  - Serialized Fields
    - inputFormatClass
```
Class<T> inputFormatClass
```
    - outputFormatClass
```
Class<T> outputFormatClass
```
    - keyClass
```
Class<T> keyClass
```
    - valueClass
```
Class<T> valueClass
```
    - metadata
```
MetaData metadata
```
Package org.apache.sysds.runtime.matrix.data
- Class org.apache.sysds.runtime.matrix.data.DnnParameters extends Object implements Serializable
  
  serialVersionUID:
  
  -212362627205772829L
  - Serialized Fields
    - N
```
int N
```
    - C
```
int C
```
    - H
```
int H
```
    - W
```
int W
```
    - K
```
int K
```
    - R
```
int R
```
    - S
```
int S
```
    - P
```
int P
```
    - Q
```
int Q
```
    - stride_h
```
int stride_h
```
    - stride_w
```
int stride_w
```
    - pad_h
```
int pad_h
```
    - pad_w
```
int pad_w
```
    - numThreads
```
int numThreads
```
    - enableNative
```
boolean enableNative
```
    - input1
```
MatrixBlock input1
```
    - input2
```
MatrixBlock input2
```
    - output
```
MatrixBlock output
```
    - bias
```
MatrixBlock bias
```
    - start_indexes_h
```
int[] start_indexes_h
```
    - end_indexes_h
```
int[] end_indexes_h
```
    - start_indexes_w
```
int[] start_indexes_w
```
    - end_indexes_w
```
int[] end_indexes_w
```
    - minValForMaxPoolOperations
```
double minValForMaxPoolOperations
```
- Class org.apache.sysds.runtime.matrix.data.FrameBlock extends Object implements Serializable
  
  serialVersionUID:
  
  -3993450030207130665L
  - Serialization Methods
    - readExternal
```
public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException
```
      Throws:
      
      IOException
      
      ClassNotFoundException
    - writeExternal
```
public void writeExternal(ObjectOutput out)
                   throws IOException
```
      Throws:
      
      IOException
- Class org.apache.sysds.runtime.matrix.data.FrameBlock.ColumnMetadata extends Object implements Serializable
  
  serialVersionUID:
  
  -90094082422100311L
  - Serialized Fields
    - _ndistinct
```
long _ndistinct
```
    - _mvValue
```
String _mvValue
```
- Class org.apache.sysds.runtime.matrix.data.FrameBlock.FrameMapFunction extends Object implements Serializable
  
  serialVersionUID:
  
  -8398572153616520873L
- Class org.apache.sysds.runtime.matrix.data.MatrixBlock extends MatrixValue implements Serializable
  
  serialVersionUID:
  
  7319972089143154056L
  - Serialization Methods
    - readExternal
```
public void readExternal(ObjectInput is)
                  throws IOException
```
      Redirects the default java serialization via externalizable to our default hadoop writable serialization for efficient broadcast/rdd deserialization.
      
      Throws:
      
      IOException - if IOException occurs
    - writeExternal
```
public void writeExternal(ObjectOutput os)
                   throws IOException
```
      Redirects the default java serialization via externalizable to our default hadoop writable serialization for efficient broadcast/rdd serialization.
      
      Throws:
      
      IOException - if IOException occurs
- Class org.apache.sysds.runtime.matrix.data.MatrixCell extends MatrixValue implements Serializable
  
  serialVersionUID:
  
  -7755996717411912578L
  - Serialized Fields
    - value
```
double value
```
- Class org.apache.sysds.runtime.matrix.data.MatrixIndexes extends Object implements Serializable
  
  serialVersionUID:
  
  -1521166657518127789L
  - Serialization Methods
    - readExternal
```
public void readExternal(ObjectInput is)
                  throws IOException
```
      Redirects the default java serialization via externalizable to our default hadoop writable serialization for consistency/maintainability.
      
      Throws:
      
      IOException - if IOException occurs
    - writeExternal
```
public void writeExternal(ObjectOutput os)
                   throws IOException
```
      Redirects the default java serialization via externalizable to our default hadoop writable serialization for consistency/maintainability.
      
      Throws:
      
      IOException - if IOException occurs
- Class org.apache.sysds.runtime.matrix.data.TripleIndexes extends Object implements Serializable
  
  serialVersionUID:
  
  -4514135024726916288L
  - Serialized Fields
    - first
```
long first
```
    - second
```
long second
```
    - third
```
long third
```
- Class org.apache.sysds.runtime.matrix.data.WeightedCell extends MatrixCell implements Serializable
  
  serialVersionUID:
  
  -2283995259000895325L
  - Serialized Fields
    - weight
```
double weight
```
- Class org.apache.sysds.runtime.matrix.data.WeightedPair extends WeightedCell implements Serializable
  
  serialVersionUID:
  
  8772815876289553196L
  - Serialized Fields
    - other
```
double other
```
Package org.apache.sysds.runtime.matrix.operators
- Class org.apache.sysds.runtime.matrix.operators.AggregateBinaryOperator extends Operator implements Serializable
  
  serialVersionUID:
  
  1666421325090925726L
  - Serialized Fields
    - binaryFn
```
ValueFunction binaryFn
```
    - aggOp
```
AggregateOperator aggOp
```
    - k
```
int k
```
- Class org.apache.sysds.runtime.matrix.operators.AggregateOperator extends Operator implements Serializable
  
  serialVersionUID:
  
  8761527329665129670L
  - Serialized Fields
    - initialValue
```
double initialValue
```
    - increOp
```
BinaryOperator increOp
```
    - correction
```
Types.CorrectionLocationType correction
```
- Class org.apache.sysds.runtime.matrix.operators.AggregateTernaryOperator extends Operator implements Serializable
  
  serialVersionUID:
  
  4251745081160216784L
  - Serialized Fields
    - binaryFn
```
ValueFunction binaryFn
```
    - aggOp
```
AggregateOperator aggOp
```
    - indexFn
```
IndexFunction indexFn
```
    - k
```
int k
```
- Class org.apache.sysds.runtime.matrix.operators.AggregateUnaryOperator extends Operator implements Serializable
  
  serialVersionUID:
  
  6690553323120787735L
  - Serialized Fields
    - aggOp
```
AggregateOperator aggOp
```
    - indexFn
```
IndexFunction indexFn
```
    - k
```
int k
```
- Class org.apache.sysds.runtime.matrix.operators.BinaryOperator extends Operator implements Serializable
  
  serialVersionUID:
  
  -2547950181558989209L
  - Serialized Fields
    - fn
```
ValueFunction fn
```
- Class org.apache.sysds.runtime.matrix.operators.CMOperator extends Operator implements Serializable
  
  serialVersionUID:
  
  4126894676505115420L
  - Serialized Fields
    - fn
```
ValueFunction fn
```
    - aggOpType
```
CMOperator.AggregateOperationTypes aggOpType
```
- Class org.apache.sysds.runtime.matrix.operators.CountDistinctOperator extends Operator implements Serializable
  
  serialVersionUID:
  
  7615123453265129670L
  - Serialized Fields
    - operatorType
```
CountDistinctOperator.CountDistinctTypes operatorType
```
    - hashType
```
Hash.HashType hashType
```
- Class org.apache.sysds.runtime.matrix.operators.COVOperator extends Operator implements Serializable
  
  serialVersionUID:
  
  -8404264552880694469L
  - Serialized Fields
    - fn
```
COV fn
```
- Class org.apache.sysds.runtime.matrix.operators.LeftScalarOperator extends ScalarOperator implements Serializable
  
  serialVersionUID:
  
  2360577666575746424L
- Class org.apache.sysds.runtime.matrix.operators.Operator extends Object implements Serializable
  
  serialVersionUID:
  
  -7453178973186473277L
  - Serialized Fields
    - sparseSafe
```
boolean sparseSafe
```
- Class org.apache.sysds.runtime.matrix.operators.QuaternaryOperator extends Operator implements Serializable
  
  serialVersionUID:
  
  -1642908613016116069L
  - Serialized Fields
    - wtype1
```
WeightedSquaredLoss.WeightsType wtype1
```
    - wtype2
```
WeightedSigmoid.WSigmoidType wtype2
```
    - wtype3
```
WeightedDivMM.WDivMMType wtype3
```
    - wtype4
```
WeightedCrossEntropy.WCeMMType wtype4
```
    - wtype5
```
WeightedUnaryMM.WUMMType wtype5
```
    - fn
```
ValueFunction fn
```
    - eps
```
double eps
```
- Class org.apache.sysds.runtime.matrix.operators.ReIndexOperator extends Operator implements Serializable
  
  serialVersionUID:
  
  8603367674384408297L
- Class org.apache.sysds.runtime.matrix.operators.ReorgOperator extends Operator implements Serializable
  
  serialVersionUID:
  
  -5322516429026298404L
  - Serialized Fields
    - fn
```
IndexFunction fn
```
    - k
```
int k
```
- Class org.apache.sysds.runtime.matrix.operators.RightScalarOperator extends ScalarOperator implements Serializable
  
  serialVersionUID:
  
  5148300801904349919L
- Class org.apache.sysds.runtime.matrix.operators.ScalarOperator extends Operator implements Serializable
  
  serialVersionUID:
  
  4547253761093455869L
  - Serialized Fields
    - fn
```
ValueFunction fn
```
    - _constant
```
double _constant
```
    - k
```
int k
```
- Class org.apache.sysds.runtime.matrix.operators.SimpleOperator extends Operator implements Serializable
  
  serialVersionUID:
  
  625147299273287379L
  - Serialized Fields
    - fn
```
FunctionObject fn
```
- Class org.apache.sysds.runtime.matrix.operators.TernaryOperator extends Operator implements Serializable
  
  serialVersionUID:
  
  3456088891054083634L
  - Serialized Fields
    - fn
```
TernaryValueFunction fn
```
- Class org.apache.sysds.runtime.matrix.operators.UnaryOperator extends Operator implements Serializable
  
  serialVersionUID:
  
  2441990876648978637L
  - Serialized Fields
    - fn
```
ValueFunction fn
```
    - k
```
int k
```
    - inplace
```
boolean inplace
```
Package org.apache.sysds.runtime.meta
- Class org.apache.sysds.runtime.meta.DataCharacteristics extends Object implements Serializable
  
  serialVersionUID:
  
  3411056029517599342L
  - Serialized Fields
    - _blocksize
```
int _blocksize
```
- Class org.apache.sysds.runtime.meta.MatrixCharacteristics extends DataCharacteristics implements Serializable
  
  serialVersionUID:
  
  8300479822915546000L
  - Serialized Fields
    - numRows
```
long numRows
```
    - numColumns
```
long numColumns
```
    - nonZero
```
long nonZero
```
    - ubNnz
```
boolean ubNnz
```
- Class org.apache.sysds.runtime.meta.TensorCharacteristics extends DataCharacteristics implements Serializable
  
  serialVersionUID:
  
  8300479822915546000L
  - Serialized Fields
    - _dims
```
long[] _dims
```
    - _nnz
```
long _nnz
```
Package org.apache.sysds.runtime.privacy
- Class org.apache.sysds.runtime.privacy.DMLPrivacyException extends DMLRuntimeException implements Serializable
  
  serialVersionUID:
  
  1L
- Class org.apache.sysds.runtime.privacy.PrivacyConstraint extends Object implements Serializable
  - Serialization Methods
    - readExternal
```
public void readExternal(ObjectInput is)
                  throws IOException
```
      Throws:
      
      IOException
    - writeExternal
```
public void writeExternal(ObjectOutput objectOutput)
                   throws IOException
```
      Throws:
      
      IOException
Package org.apache.sysds.runtime.transform
- Class org.apache.sysds.runtime.transform.TfUtils extends Object implements Serializable
  
  serialVersionUID:
  
  526252850872633125L
  - Serialized Fields
    - _headerLine
```
String _headerLine
```
    - _hasHeader
```
boolean _hasHeader
```
    - _delim
```
Pattern _delim
```
    - _delimString
```
String _delimString
```
    - _NAstrings
```
String[] _NAstrings
```
    - _numInputCols
```
int _numInputCols
```
Package org.apache.sysds.runtime.transform.decode
- Class org.apache.sysds.runtime.transform.decode.Decoder extends Object implements Serializable
  
  serialVersionUID:
  
  -1732411001366177787L
  - Serialized Fields
    - _schema
```
Types.ValueType[] _schema
```
    - _colList
```
int[] _colList
```
    - _colnames
```
String[] _colnames
```
- Class org.apache.sysds.runtime.transform.decode.DecoderComposite extends Decoder implements Serializable
  
  serialVersionUID:
  
  5790600547144743716L
  - Serialized Fields
    - _decoders
```
List<E> _decoders
```
- Class org.apache.sysds.runtime.transform.decode.DecoderDummycode extends Decoder implements Serializable
  
  serialVersionUID:
  
  4758831042891032129L
  - Serialized Fields
    - _clPos
```
int[] _clPos
```
    - _cuPos
```
int[] _cuPos
```
- Class org.apache.sysds.runtime.transform.decode.DecoderPassThrough extends Decoder implements Serializable
  
  serialVersionUID:
  
  -8525203889417422598L
  - Serialized Fields
    - _dcCols
```
int[] _dcCols
```
    - _srcCols
```
int[] _srcCols
```
- Class org.apache.sysds.runtime.transform.decode.DecoderRecode extends Decoder implements Serializable
  
  serialVersionUID:
  
  -3784249774608228805L
  - Serialized Fields
    - _rcMaps
```
HashMap<K,V>[] _rcMaps
```
    - _onOut
```
boolean _onOut
```
Package org.apache.sysds.runtime.transform.encode
- Class org.apache.sysds.runtime.transform.encode.Encoder extends Object implements Serializable
  
  serialVersionUID:
  
  2299156350718979064L
  - Serialized Fields
    - _clen
```
int _clen
```
    - _colList
```
int[] _colList
```
- Class org.apache.sysds.runtime.transform.encode.EncoderBin extends Encoder implements Serializable
  
  serialVersionUID:
  
  1917445005206076078L
  - Serialized Fields
    - _numBins
```
int[] _numBins
```
    - _binMins
```
double[][] _binMins
```
    - _binMaxs
```
double[][] _binMaxs
```
- Class org.apache.sysds.runtime.transform.encode.EncoderComposite extends Encoder implements Serializable
  
  serialVersionUID:
  
  -8473768154646831882L
  - Serialized Fields
    - _encoders
```
List<E> _encoders
```
    - _meta
```
FrameBlock _meta
```
- Class org.apache.sysds.runtime.transform.encode.EncoderDummycode extends Encoder implements Serializable
  
  serialVersionUID:
  
  5832130477659116489L
  - Serialized Fields
    - _domainSizes
```
int[] _domainSizes
```
    - _dummycodedLength
```
long _dummycodedLength
```
- Class org.apache.sysds.runtime.transform.encode.EncoderFeatureHash extends Encoder implements Serializable
  
  serialVersionUID:
  
  7435806042138687342L
  - Serialized Fields
    - _K
```
long _K
```
- Class org.apache.sysds.runtime.transform.encode.EncoderMVImpute extends Encoder implements Serializable
  
  serialVersionUID:
  
  9057868620144662194L
  - Serialized Fields
    - _mvMethodList
```
EncoderMVImpute.MVMethod[] _mvMethodList
```
    - _meanFn
```
Mean _meanFn
```
    - _meanList
```
KahanObject[] _meanList
```
    - _countList
```
long[] _countList
```
    - _replacementList
```
String[] _replacementList
```
    - _rcList
```
List<E> _rcList
```
    - _hist
```
HashMap<K,V> _hist
```
- Class org.apache.sysds.runtime.transform.encode.EncoderOmit extends Encoder implements Serializable
  
  serialVersionUID:
  
  1978852120416654195L
  - Serialized Fields
    - _federated
```
boolean _federated
```
    - _rmRows
```
boolean[] _rmRows
```
- Class org.apache.sysds.runtime.transform.encode.EncoderPassThrough extends Encoder implements Serializable
  
  serialVersionUID:
  
  -8473768154646831882L
- Class org.apache.sysds.runtime.transform.encode.EncoderRecode extends Encoder implements Serializable
  
  serialVersionUID:
  
  8213163881283341874L
  - Serialized Fields
    - _rcdMaps
```
HashMap<K,V> _rcdMaps
```
    - _rcdMapsPart
```
HashMap<K,V> _rcdMapsPart
```
Package org.apache.sysds.runtime.transform.meta
- Class org.apache.sysds.runtime.transform.meta.TfOffsetMap extends Object implements Serializable
  
  serialVersionUID:
  
  8949124761287236703L
  - Serialized Fields
    - _map
```
HashMap<K,V> _map
```
    - _rmRows
```
long _rmRows
```
Package org.apache.sysds.runtime.util
- Class org.apache.sysds.runtime.util.FastStringTokenizer extends Object implements Serializable
  
  serialVersionUID:
  
  4051436015710778611L
  - Serialized Fields
    - _string
```
String _string
```
    - _del
```
char _del
```
    - _pos
```
int _pos
```
- Class org.apache.sysds.runtime.util.IndexRange extends Object implements Serializable
  
  serialVersionUID:
  
  5746526303666494601L
  - Serialized Fields
    - rowStart
```
long rowStart
```
    - rowEnd
```
long rowEnd
```
    - colStart
```
long colStart
```
    - colEnd
```
long colEnd
```

Serialized Form

Package org.apache.sysds.api

Class org.apache.sysds.api.DMLException extends RuntimeException implements Serializable

Package org.apache.sysds.api.mlcontext

Class org.apache.sysds.api.mlcontext.MLContextException extends RuntimeException implements Serializable

Serialized Fields

suppressStacktrace

Package org.apache.sysds.hops

Class org.apache.sysds.hops.HopsException extends DMLException implements Serializable

Package org.apache.sysds.lops

Class org.apache.sysds.lops.LopsException extends DMLException implements Serializable

Package org.apache.sysds.parser

Class org.apache.sysds.parser.LanguageException extends DMLException implements Serializable

Class org.apache.sysds.parser.ParseException extends DMLException implements Serializable

Serialized Fields

_parseIssues

_scriptString

_message

Package org.apache.sysds.runtime

Class org.apache.sysds.runtime.DMLCompressionException extends DMLRuntimeException implements Serializable

Class org.apache.sysds.runtime.DMLRuntimeException extends DMLException implements Serializable

Class org.apache.sysds.runtime.DMLScriptException extends DMLRuntimeException implements Serializable

Package org.apache.sysds.runtime.codegen

Class org.apache.sysds.runtime.codegen.SpoofCellwise extends SpoofOperator implements Serializable

Serialized Fields

_type

_aggOp

_sparseSafe

_containsSeq

Class org.apache.sysds.runtime.codegen.SpoofMultiAggregate extends SpoofOperator implements Serializable

Serialized Fields

_aggOps

_sparseSafe

Class org.apache.sysds.runtime.codegen.SpoofOperator extends Object implements Serializable

Class org.apache.sysds.runtime.codegen.SpoofOuterProduct extends SpoofOperator implements Serializable

Serialized Fields

_outerProductType

Class org.apache.sysds.runtime.codegen.SpoofRowwise extends SpoofOperator implements Serializable

Serialized Fields

_type

_constDim2

_tB1

_reqVectMem

Package org.apache.sysds.runtime.compress

Class org.apache.sysds.runtime.compress.AbstractCompressedMatrixBlock extends MatrixBlock implements Serializable

Serialization Methods

readExternal

writeExternal

Class org.apache.sysds.runtime.compress.CompressedMatrixBlock extends AbstractCompressedMatrixBlock implements Serializable

Serialization Methods

readExternal

writeExternal

Package org.apache.sysds.runtime.compress.colgroup

Class org.apache.sysds.runtime.compress.colgroup.ColGroup extends Object implements Serializable

Serialized Fields

_colIndexes

_numRows

_zeros

_lossy

Class org.apache.sysds.runtime.compress.colgroup.ColGroupDDC extends ColGroupValue implements Serializable

Class org.apache.sysds.runtime.compress.colgroup.ColGroupDDC1 extends ColGroupDDC implements Serializable

Serialized Fields

_data

Class org.apache.sysds.runtime.compress.colgroup.ColGroupDDC2 extends ColGroupDDC implements Serializable

Serialized Fields

_data

Class org.apache.sysds.runtime.compress.colgroup.ColGroupOffset extends ColGroupValue implements Serializable

Serialized Fields

_ptr

_data

Class org.apache.sysds.runtime.compress.colgroup.ColGroupOLE extends ColGroupOffset implements Serializable

Serialized Fields

_skipList

Class org.apache.sysds.runtime.compress.colgroup.ColGroupRLE extends ColGroupOffset implements Serializable

Class org.apache.sysds.runtime.compress.colgroup.ColGroupUncompressed extends ColGroup implements Serializable

Serialized Fields

_data

Class org.apache.sysds.runtime.compress.colgroup.ColGroupValue extends ColGroup implements Serializable

Serialized Fields

_dict