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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
* "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.runtime.instructions.mr;
import java.util.ArrayList;
import org.apache.sysml.lops.AppendM.CacheType;
import org.apache.sysml.lops.BinaryM.VectorType;
import org.apache.sysml.runtime.DMLRuntimeException;
import org.apache.sysml.runtime.DMLUnsupportedOperationException;
import org.apache.sysml.runtime.instructions.InstructionUtils;
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.DistributedCacheInput;
import org.apache.sysml.runtime.matrix.mapred.IndexedMatrixValue;
import org.apache.sysml.runtime.matrix.mapred.MRBaseForCommonInstructions;
import org.apache.sysml.runtime.matrix.operators.BinaryOperator;
import org.apache.sysml.runtime.matrix.operators.Operator;
public class BinaryMInstruction extends BinaryMRInstructionBase implements IDistributedCacheConsumer
{
private VectorType _vectorType = null;
public BinaryMInstruction(Operator op, byte in1, byte in2, CacheType ctype, VectorType vtype, byte out, String istr)
{
super(op, in1, in2, out);
mrtype = MRINSTRUCTION_TYPE.ArithmeticBinary;
instString = istr;
_vectorType = vtype;
}
/**
*
* @param str
* @return
* @throws DMLRuntimeException
*/
public static BinaryMInstruction parseInstruction ( String str )
throws DMLRuntimeException
{
InstructionUtils.checkNumFields ( str, 5 );
String[] parts = InstructionUtils.getInstructionParts ( str );
byte in1, in2, out;
String opcode = parts[0];
in1 = Byte.parseByte(parts[1]);
in2 = Byte.parseByte(parts[2]);
out = Byte.parseByte(parts[3]);
CacheType ctype = CacheType.valueOf(parts[4]);
VectorType vtype = VectorType.valueOf(parts[5]);
BinaryOperator bop = InstructionUtils.parseExtendedBinaryOperator(opcode);
return new BinaryMInstruction(bop, in1, in2, ctype, vtype, out, str);
}
@Override
public void processInstruction(Class valueClass,
CachedValueMap cachedValues, IndexedMatrixValue tempValue, IndexedMatrixValue zeroInput,
int blockRowFactor, int blockColFactor)
throws DMLUnsupportedOperationException, DMLRuntimeException
{
ArrayList blkList = cachedValues.get(input1);
if( blkList == null )
return;
for(IndexedMatrixValue in1 : blkList)
{
//allocate space for the output value
//try to avoid coping as much as possible
IndexedMatrixValue out;
if( (output!=input1 && output!=input2) )
out=cachedValues.holdPlace(output, valueClass);
else
out=tempValue;
//get second
DistributedCacheInput dcInput = MRBaseForCommonInstructions.dcValues.get(input2);
IndexedMatrixValue in2 = null;
if( _vectorType == VectorType.COL_VECTOR )
in2 = dcInput.getDataBlock((int)in1.getIndexes().getRowIndex(), 1);
else //_vectorType == VectorType.ROW_VECTOR
in2 = dcInput.getDataBlock(1, (int)in1.getIndexes().getColumnIndex());
//process instruction
out.getIndexes().setIndexes(in1.getIndexes());
OperationsOnMatrixValues.performBinaryIgnoreIndexes(in1.getValue(),
in2.getValue(), out.getValue(), ((BinaryOperator)optr));
//put the output value in the cache
if(out==tempValue)
cachedValues.add(output, out);
}
}
@Override //IDistributedCacheConsumer
public boolean isDistCacheOnlyIndex( String inst, byte index )
{
return (index==input2 && index!=input1);
}
@Override //IDistributedCacheConsumer
public void addDistCacheIndex( String inst, ArrayList indexes )
{
indexes.add(input2);
}
}