org.apache.sysml.lops.TernaryAggregate Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of systemml Show documentation
Show all versions of systemml Show documentation
Declarative Machine Learning
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.sysml.lops;
import org.apache.sysml.lops.LopProperties.ExecLocation;
import org.apache.sysml.lops.LopProperties.ExecType;
import org.apache.sysml.lops.PartialAggregate.DirectionTypes;
import org.apache.sysml.lops.compile.JobType;
import org.apache.sysml.parser.Expression.*;
public class TernaryAggregate extends Lop
{
public static final String OPCODE_RC = "tak+*";
public static final String OPCODE_C = "tack+*";
//NOTE: currently only used for ta+*
//private Aggregate.OperationTypes _aggOp = null;
//private Binary.OperationTypes _binOp = null;
private DirectionTypes _direction;
//optional attribute for cp
private int _numThreads = -1;
public TernaryAggregate(Lop input1, Lop input2, Lop input3, Aggregate.OperationTypes aggOp, Binary.OperationTypes binOp, DirectionTypes direction, DataType dt, ValueType vt, ExecType et, int k )
{
super(Lop.Type.TernaryAggregate, dt, vt);
//_aggOp = aggOp;
//_binOp = binOp;
addInput(input1);
addInput(input2);
addInput(input3);
input1.addOutput(this);
input2.addOutput(this);
input3.addOutput(this);
_direction = direction;
_numThreads = k;
boolean breaksAlignment = false;
boolean aligner = false;
boolean definesMRJob = false;
lps.addCompatibility(JobType.INVALID);
lps.setProperties( inputs, et, ExecLocation.ControlProgram, breaksAlignment, aligner, definesMRJob );
}
@Override
public String toString() {
return "Operation: "+getOpCode();
}
@Override
public String getInstructions(String input1, String input2, String input3, String output)
throws LopsException
{
StringBuilder sb = new StringBuilder();
sb.append( getExecType() );
sb.append( OPERAND_DELIMITOR );
sb.append( getOpCode() );
sb.append( OPERAND_DELIMITOR );
sb.append( getInputs().get(0).prepInputOperand(input1));
sb.append( OPERAND_DELIMITOR );
sb.append( getInputs().get(1).prepInputOperand(input2));
sb.append( OPERAND_DELIMITOR );
sb.append( getInputs().get(2).prepInputOperand(input3));
sb.append( OPERAND_DELIMITOR );
sb.append( prepOutputOperand(output));
if( getExecType() == ExecType.CP ) {
sb.append( OPERAND_DELIMITOR );
sb.append( _numThreads );
}
return sb.toString();
}
private String getOpCode() {
switch( _direction ) {
case RowCol: return OPCODE_RC;
case Col: return OPCODE_C;
default: throw new RuntimeException("Unsupported aggregation direction: "+_direction);
}
}
}