org.apache.sysml.runtime.instructions.spark

Class CpmmSPInstruction

java.lang.Object

org.apache.sysml.runtime.instructions.Instruction

org.apache.sysml.runtime.instructions.spark.SPInstruction

org.apache.sysml.runtime.instructions.spark.ComputationSPInstruction

org.apache.sysml.runtime.instructions.spark.BinarySPInstruction

org.apache.sysml.runtime.instructions.spark.CpmmSPInstruction

public class CpmmSPInstruction
extends BinarySPInstruction

Cpmm: cross-product matrix multiplication operation (distributed matrix multiply by join over common dimension and subsequent aggregation of partial results). NOTE: There is additional optimization potential by preventing aggregation for a single block on the common dimension. However, in such a case we would never pick cpmm because this would result in a degree of parallelism of 1.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.sysml.runtime.instructions.spark.SPInstruction

SPInstruction.SPINSTRUCTION_TYPE

Nested classes/interfaces inherited from class org.apache.sysml.runtime.instructions.Instruction

Instruction.INSTRUCTION_TYPE

Field Summary

Fields inherited from class org.apache.sysml.runtime.instructions.spark.ComputationSPInstruction

input1, input2, input3, output

Fields inherited from class org.apache.sysml.runtime.instructions.spark.SPInstruction

_optr, _requiresLabelUpdate, _sptype

Fields inherited from class org.apache.sysml.runtime.instructions.Instruction

beginCol, beginLine, DATATYPE_PREFIX, endCol, endLine, filename, GPU_INST_PREFIX, instOpcode, INSTRUCTION_DELIM, instString, LITERAL_PREFIX, LOG, OPERAND_DELIM, SP_INST_PREFIX, type, VALUETYPE_PREFIX

Method Summary

Modifier and Type	Method and Description
static CpmmSPInstruction	parseInstruction(String str)
void	processInstruction(org.apache.sysml.runtime.controlprogram.context.ExecutionContext ec) This method should be used to execute the instruction.

Methods inherited from class org.apache.sysml.runtime.instructions.spark.BinarySPInstruction

checkBinaryAppendInputCharacteristics, checkMatrixMatrixBinaryCharacteristics, getNumReplicas, parseBinaryInstruction, parseBinaryInstruction, processMatrixBVectorBinaryInstruction, processMatrixMatrixBinaryInstruction, processMatrixScalarBinaryInstruction, updateBinaryAppendOutputMatrixCharacteristics, updateBinaryMMOutputMatrixCharacteristics

Methods inherited from class org.apache.sysml.runtime.instructions.spark.ComputationSPInstruction

getOutputVariableName, updateBinaryOutputMatrixCharacteristics, updateUnaryAggOutputMatrixCharacteristics, updateUnaryOutputMatrixCharacteristics, updateUnaryOutputMatrixCharacteristics

Methods inherited from class org.apache.sysml.runtime.instructions.spark.SPInstruction

getGraphString, getSPInstructionType, postprocessInstruction, preprocessInstruction, requiresLabelUpdate

Methods inherited from class org.apache.sysml.runtime.instructions.Instruction

getBeginColumn, getBeginLine, getEndColumn, getEndLine, getExtendedOpcode, getFilename, getInstID, getLineNum, getOpcode, getType, printMe, setInstID, setLocation, setLocation, setLocation, setLocation, setType, toString, updateInstructionThreadID

Methods inherited from class java.lang.Object

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

Method Detail

parseInstruction

public static CpmmSPInstruction parseInstruction(String str)
                                          throws DMLRuntimeException

Throws:

DMLRuntimeException

processInstruction

public void processInstruction(org.apache.sysml.runtime.controlprogram.context.ExecutionContext ec)
                        throws DMLRuntimeException

Description copied from class: Instruction

This method should be used to execute the instruction.

Specified by:

processInstruction in class SPInstruction

Parameters:

ec - execution context

Throws:

DMLRuntimeException - if DMLRuntimeException occurs