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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.gpu;
import org.apache.sysml.parser.Expression.DataType;
import org.apache.sysml.runtime.DMLRuntimeException;
import org.apache.sysml.runtime.controlprogram.caching.MatrixObject;
import org.apache.sysml.runtime.controlprogram.context.ExecutionContext;
import org.apache.sysml.runtime.instructions.InstructionUtils;
import org.apache.sysml.runtime.instructions.cp.CPOperand;
import org.apache.sysml.runtime.instructions.cp.ScalarObject;
import org.apache.sysml.runtime.matrix.data.LibMatrixCUDA;
import org.apache.sysml.runtime.matrix.operators.Operator;
import org.apache.sysml.utils.GPUStatistics;
public class MatrixMatrixAxpyGPUInstruction extends ArithmeticBinaryGPUInstruction
{
CPOperand constant = null;
int multiplier = 1;
public MatrixMatrixAxpyGPUInstruction(Operator op,
CPOperand in1,
CPOperand constant,
int multiplier,
CPOperand in2,
CPOperand out,
String opcode,
String istr){
super(op, in1, in2, out, opcode, istr);
this.constant = constant;
this.multiplier = multiplier;
}
public static MatrixMatrixAxpyGPUInstruction parseInstruction ( String str ) throws DMLRuntimeException {
String[] parts = InstructionUtils.getInstructionPartsWithValueType(str);
InstructionUtils.checkNumFields ( parts, 4 );
String opcode = parts[0];
int multiplier = 1;
if(opcode.equals("-*"))
multiplier = -1;
CPOperand in1 = new CPOperand(parts[1]);
CPOperand constant = new CPOperand(parts[2]);
if(constant.getDataType() != DataType.SCALAR)
throw new DMLRuntimeException("Expected second operand to be a scalar");
CPOperand in2 = new CPOperand(parts[3]);
CPOperand out = new CPOperand(parts[4]);
DataType dt1 = in1.getDataType();
DataType dt2 = in2.getDataType();
DataType dt3 = out.getDataType();
Operator operator = (dt1 != dt2) ?
InstructionUtils.parseScalarBinaryOperator(opcode, (dt1 == DataType.SCALAR)) :
InstructionUtils.parseBinaryOperator(opcode);
if(dt1 == DataType.MATRIX && dt2 == DataType.MATRIX && dt3 == DataType.MATRIX) {
return new MatrixMatrixAxpyGPUInstruction(operator, in1, constant, multiplier, in2, out, opcode, str);
}
else if( dt3 == DataType.MATRIX && ((dt1 == DataType.SCALAR && dt2 == DataType.MATRIX) || (dt1 == DataType.MATRIX && dt2 == DataType.SCALAR)) ) {
throw new DMLRuntimeException("Unsupported GPU PlusMult/MinusMult ArithmeticInstruction.");
// return new ScalarMatrixArithmeticGPUInstruction(operator, in1, in2, out, opcode, str);
}
else
throw new DMLRuntimeException("Unsupported GPU ArithmeticInstruction.");
}
@Override
public void processInstruction(ExecutionContext ec) throws DMLRuntimeException {
GPUStatistics.incrementNoOfExecutedGPUInst();
MatrixObject in1 = getMatrixInputForGPUInstruction(ec, _input1.getName());
MatrixObject in2 = getMatrixInputForGPUInstruction(ec, _input2.getName());
ScalarObject scalar = ec.getScalarInput(constant.getName(), constant.getValueType(), constant.isLiteral());
long rlen1 = in1.getNumRows();
long clen1 = in1.getNumColumns();
long rlen2 = in2.getNumRows();
long clen2 = in2.getNumColumns();
if(isValidMMOperation(rlen1, rlen2, clen1, clen2) || isValidMVOperation(rlen1, rlen2, clen1, clen2)) {
ec.setMetaData(_output.getName(), (int)rlen1, (int)clen1);
}
else {
throw new DMLRuntimeException("Incorrect dimensions of inputs in GPU axpy operation. input1:" + rlen1 + " X " + clen1 +
" and input2:" + rlen2 + " X " + clen2);
}
LibMatrixCUDA.axpy(ec, getExtendedOpcode(), in1, in2, _output.getName(), multiplier*scalar.getDoubleValue());
ec.releaseMatrixInputForGPUInstruction(_input1.getName());
ec.releaseMatrixInputForGPUInstruction(_input2.getName());
ec.releaseMatrixOutputForGPUInstruction(_output.getName());
}
private boolean isValidMMOperation(long rlen1, long rlen2, long clen1, long clen2) {
return rlen1 == rlen2 && clen1 == clen2;
}
private boolean isValidMVOperation(long rlen1, long rlen2, long clen1, long clen2) {
return (rlen1 == rlen2 && clen2 == 1) || (rlen2 == 1 && clen1 == clen2);
}
}