org.apache.sysml.runtime.instructions.cp.StringInitCPInstruction 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.cp;
import java.util.StringTokenizer;
import org.apache.sysml.lops.DataGen;
import org.apache.sysml.lops.Lop;
import org.apache.sysml.runtime.DMLRuntimeException;
import org.apache.sysml.runtime.controlprogram.context.ExecutionContext;
import org.apache.sysml.runtime.instructions.InstructionUtils;
import org.apache.sysml.runtime.matrix.data.MatrixBlock;
import org.apache.sysml.runtime.matrix.operators.Operator;
public class StringInitCPInstruction extends UnaryCPInstruction
{
private static final String DELIM = " ";
private long _rlen = -1;
private long _clen = -1;
private String _data = null;
public StringInitCPInstruction( Operator op, CPOperand in, CPOperand out, long rows, long cols, int rpb, int cpb,
String data, String opcode, String inst)
{
super(op, in, out, opcode, inst);
_rlen = rows;
_clen = cols;
_data = data;
}
public long getRows() {
return _rlen;
}
public long getCols() {
return _clen;
}
/**
*
* @param str
* @return
* @throws DMLRuntimeException
*/
public static StringInitCPInstruction parseInstruction(String str)
throws DMLRuntimeException
{
String opcode = InstructionUtils.getOpCode(str);
if( !opcode.equals(DataGen.SINIT_OPCODE) )
throw new DMLRuntimeException("Unsupported opcode: "+opcode);
//parse instruction
String[] s = InstructionUtils.getInstructionPartsWithValueType ( str );
InstructionUtils.checkNumFields( s, 6 );
CPOperand out = new CPOperand(s[s.length-1]); // output is specified by the last operand
long rows = (s[1].contains( Lop.VARIABLE_NAME_PLACEHOLDER)?-1:Double.valueOf(s[1]).longValue());
long cols = (s[2].contains( Lop.VARIABLE_NAME_PLACEHOLDER)?-1:Double.valueOf(s[2]).longValue());
int rpb = Integer.parseInt(s[3]);
int cpb = Integer.parseInt(s[4]);
String data = s[5];
return new StringInitCPInstruction(null, null, out, rows, cols, rpb, cpb, data, opcode, str);
}
@Override
public void processInstruction( ExecutionContext ec )
throws DMLRuntimeException
{
//setup output matrix
String outName = output.getName();
MatrixBlock outBlk = new MatrixBlock((int)_rlen, (int)_clen, false);
//init tokenizer
StringTokenizer st = new StringTokenizer(_data, DELIM);
int len = st.countTokens();
//check consistent sizes
if( len != _rlen*_clen )
throw new DMLRuntimeException("Invalid matrix string intialization: dimensions=["+_rlen+"x"+_clen+"] vs numValues="+len);
//parse input data string and init matrix
for( int i=0; i