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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.lops.runtime.RunMRJobs;
import org.apache.sysml.runtime.DMLRuntimeException;
import org.apache.sysml.runtime.controlprogram.context.ExecutionContext;
import org.apache.sysml.runtime.instructions.GPUInstructionParser;
import org.apache.sysml.runtime.instructions.Instruction;
import org.apache.sysml.runtime.matrix.operators.Operator;
public abstract class GPUInstruction extends Instruction
{
public enum GPUINSTRUCTION_TYPE { AggregateBinary, Convolution, MMTSJ };
protected GPUINSTRUCTION_TYPE _gputype;
protected Operator _optr;
protected boolean _requiresLabelUpdate = false;
public GPUInstruction(String opcode, String istr) {
type = INSTRUCTION_TYPE.GPU;
instString = istr;
//prepare opcode and update requirement for repeated usage
instOpcode = opcode;
_requiresLabelUpdate = super.requiresLabelUpdate();
}
public GPUInstruction(Operator op, String opcode, String istr) {
this(opcode, istr);
_optr = op;
}
public GPUINSTRUCTION_TYPE getGPUInstructionType() {
return _gputype;
}
@Override
public boolean requiresLabelUpdate() {
return _requiresLabelUpdate;
}
@Override
public String getGraphString() {
return getOpcode();
}
@Override
public Instruction preprocessInstruction(ExecutionContext ec)
throws DMLRuntimeException
{
//default preprocess behavior (e.g., debug state)
Instruction tmp = super.preprocessInstruction(ec);
//instruction patching
if( tmp.requiresLabelUpdate() ) { //update labels only if required
//note: no exchange of updated instruction as labels might change in the general case
String updInst = RunMRJobs.updateLabels(tmp.toString(), ec.getVariables());
tmp = GPUInstructionParser.parseSingleInstruction(updInst);
}
return tmp;
}
@Override
public abstract void processInstruction(ExecutionContext ec)
throws DMLRuntimeException;
}