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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
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* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.sysml.runtime.instructions.mr;
import java.util.ArrayList;
import org.apache.sysml.runtime.DMLRuntimeException;
import org.apache.sysml.runtime.instructions.InstructionUtils;
import org.apache.sysml.runtime.matrix.data.MatrixBlock;
import org.apache.sysml.runtime.matrix.data.MatrixIndexes;
import org.apache.sysml.runtime.matrix.data.MatrixValue;
import org.apache.sysml.runtime.matrix.data.OperationsOnMatrixValues;
import org.apache.sysml.runtime.matrix.mapred.CachedValueMap;
import org.apache.sysml.runtime.matrix.mapred.IndexedMatrixValue;
import org.apache.sysml.runtime.matrix.operators.AggregateUnaryOperator;
import org.apache.sysml.runtime.matrix.operators.BinaryOperator;
public class BinUaggChainInstruction extends UnaryInstruction
{
//operators
private BinaryOperator _bOp = null;
private AggregateUnaryOperator _uaggOp = null;
//reused intermediates
private MatrixIndexes _tmpIx = null;
private MatrixValue _tmpVal = null;
public BinUaggChainInstruction(BinaryOperator bop, AggregateUnaryOperator uaggop, byte in1, byte out, String istr)
{
super(null, in1, out, istr);
_bOp = bop;
_uaggOp = uaggop;
_tmpIx = new MatrixIndexes();
_tmpVal = new MatrixBlock();
mrtype = MRINSTRUCTION_TYPE.BinUaggChain;
instString = istr;
}
public static BinUaggChainInstruction parseInstruction( String str )
throws DMLRuntimeException
{
//check number of fields (2/3 inputs, output, type)
InstructionUtils.checkNumFields ( str, 4 );
//parse instruction parts (without exec type)
String[] parts = InstructionUtils.getInstructionParts( str );
BinaryOperator bop = InstructionUtils.parseBinaryOperator(parts[1]);
AggregateUnaryOperator uaggop = InstructionUtils.parseBasicAggregateUnaryOperator(parts[2]);
byte in1 = Byte.parseByte(parts[3]);
byte out = Byte.parseByte(parts[4]);
return new BinUaggChainInstruction(bop, uaggop, in1, out, str);
}
@Override
public void processInstruction(Class valueClass, CachedValueMap cachedValues,
IndexedMatrixValue tempValue, IndexedMatrixValue zeroInput, int blockRowFactor, int blockColFactor)
throws DMLRuntimeException
{
ArrayList blkList = cachedValues.get( input );
if( blkList == null )
return;
for(IndexedMatrixValue imv : blkList)
{
if(imv == null)
continue;
MatrixIndexes inIx = imv.getIndexes();
MatrixValue inVal = imv.getValue();
//allocate space for the intermediate and output value
IndexedMatrixValue iout = cachedValues.holdPlace(output, valueClass);
MatrixIndexes outIx = iout.getIndexes();
MatrixValue outVal = iout.getValue();
//process instruction
OperationsOnMatrixValues.performAggregateUnary( inIx, inVal, _tmpIx, _tmpVal, _uaggOp, blockRowFactor, blockColFactor);
((MatrixBlock)_tmpVal).dropLastRowsOrColums(_uaggOp.aggOp.correctionLocation);
OperationsOnMatrixValues.performBinaryIgnoreIndexes(inVal, _tmpVal, outVal, _bOp);
outIx.setIndexes(inIx);
}
}
}