org.apache.sysml.runtime.instructions.mr.CumulativeAggregateInstruction 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.runtime.instructions.mr;
import java.util.ArrayList;
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.MatrixCharacteristics;
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.Operator;
public class CumulativeAggregateInstruction extends AggregateUnaryInstruction
{
private MatrixCharacteristics _mcIn = null;
public CumulativeAggregateInstruction(Operator op, byte in, byte out, String istr)
{
super(op, in, out, true, istr);
}
public void setMatrixCharacteristics( MatrixCharacteristics mcIn )
{
_mcIn = mcIn;
}
public static CumulativeAggregateInstruction parseInstruction ( String str )
throws DMLRuntimeException
{
InstructionUtils.checkNumFields ( str, 2 );
String[] parts = InstructionUtils.getInstructionParts ( str );
String opcode = parts[0];
byte in = Byte.parseByte(parts[1]);
byte out = Byte.parseByte(parts[2]);
AggregateUnaryOperator aggun = InstructionUtils.parseCumulativeAggregateUnaryOperator(opcode);
return new CumulativeAggregateInstruction(aggun, in, 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(input);
if( blkList == null )
return;
for(IndexedMatrixValue in1 : blkList)
{
if(in1==null) continue;
MatrixIndexes inix = in1.getIndexes();
//output allocation
IndexedMatrixValue out = cachedValues.holdPlace(output, valueClass);
//process instruction
OperationsOnMatrixValues.performAggregateUnary( inix, in1.getValue(), out.getIndexes(), out.getValue(),
((AggregateUnaryOperator)optr), blockRowFactor, blockColFactor);
if( ((AggregateUnaryOperator)optr).aggOp.correctionExists )
((MatrixBlock)out.getValue()).dropLastRowsOrColums(((AggregateUnaryOperator)optr).aggOp.correctionLocation);
//cumsum expand partial aggregates
long rlenOut = (long)Math.ceil((double)_mcIn.getRows()/blockRowFactor);
long rixOut = (long)Math.ceil((double)inix.getRowIndex()/blockRowFactor);
int rlenBlk = (int) Math.min(rlenOut-(rixOut-1)*blockRowFactor, blockRowFactor);
int clenBlk = out.getValue().getNumColumns();
int posBlk = (int) ((inix.getRowIndex()-1) % blockRowFactor);
MatrixBlock outBlk = new MatrixBlock(rlenBlk, clenBlk, false);
outBlk.copy(posBlk, posBlk, 0, clenBlk-1, (MatrixBlock) out.getValue(), true);
MatrixIndexes outIx = out.getIndexes();
outIx.setIndexes(rixOut, outIx.getColumnIndex());
out.set(outIx, outBlk);
}
}
}