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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.spark;
import org.apache.sysml.lops.Lop;
import org.apache.sysml.lops.BinaryM.VectorType;
import org.apache.sysml.parser.Expression.DataType;
import org.apache.sysml.parser.Expression.ValueType;
import org.apache.sysml.runtime.DMLRuntimeException;
import org.apache.sysml.runtime.DMLUnsupportedOperationException;
import org.apache.sysml.runtime.functionobjects.Builtin;
import org.apache.sysml.runtime.functionobjects.ValueFunction;
import org.apache.sysml.runtime.instructions.InstructionUtils;
import org.apache.sysml.runtime.instructions.cp.CPOperand;
import org.apache.sysml.runtime.matrix.operators.BinaryOperator;
import org.apache.sysml.runtime.matrix.operators.Operator;
import org.apache.sysml.runtime.matrix.operators.RightScalarOperator;
public abstract class BuiltinBinarySPInstruction extends BinarySPInstruction
{
public BuiltinBinarySPInstruction(Operator op, CPOperand in1, CPOperand in2, CPOperand out, String opcode, String istr )
{
super(op, in1, in2, out, opcode, istr);
_sptype = SPINSTRUCTION_TYPE.BuiltinBinary;
}
/**
*
* @param str
* @return
* @throws DMLRuntimeException
* @throws DMLUnsupportedOperationException
*/
public static BuiltinBinarySPInstruction parseInstruction ( String str )
throws DMLRuntimeException, DMLUnsupportedOperationException
{
CPOperand in1 = new CPOperand("", ValueType.UNKNOWN, DataType.UNKNOWN);
CPOperand in2 = new CPOperand("", ValueType.UNKNOWN, DataType.UNKNOWN);
CPOperand out = new CPOperand("", ValueType.UNKNOWN, DataType.UNKNOWN);
String opcode = null;
boolean isBroadcast = false;
VectorType vtype = null;
ValueFunction func = null;
if(str.startsWith("SPARK"+Lop.OPERAND_DELIMITOR+"map")) //map builtin function
{
String[] parts = InstructionUtils.getInstructionPartsWithValueType(str);
InstructionUtils.checkNumFields ( parts, 5 );
opcode = parts[0];
in1.split(parts[1]);
in2.split(parts[2]);
out.split(parts[3]);
func = Builtin.getBuiltinFnObject(opcode.substring(3));
vtype = VectorType.valueOf(parts[5]);
isBroadcast = true;
}
else //default builtin function
{
opcode = parseBinaryInstruction(str, in1, in2, out);
func = Builtin.getBuiltinFnObject(opcode);
}
//sanity check value function
if( func == null )
throw new DMLRuntimeException("Failed to create builtin value function for opcode: "+opcode);
// Determine appropriate Function Object based on opcode
if (in1.getDataType() != in2.getDataType()) //MATRIX-SCALAR
{
return new MatrixScalarBuiltinSPInstruction(new RightScalarOperator(func, 0), in1, in2, out, opcode, str);
}
else //MATRIX-MATRIX
{
if( isBroadcast )
return new MatrixBVectorBuiltinSPInstruction(new BinaryOperator(func), in1, in2, out, vtype, opcode, str);
else
return new MatrixMatrixBuiltinSPInstruction(new BinaryOperator(func), in1, in2, out, opcode, str);
}
}
}